Fees and Expenses |
Nov. 26, 2025 |
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| Calamos Bitcoin Structured Alt Protection ETF - January | |||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund ("Fund Shares"). Investors may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Operating Expenses Caption [Optional Text] | Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment): | ||||||||||||||||||||||||||||||||||||||||
| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | ||||||||||||||||||||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated, and then sell all of your Fund Shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs, whether you sell or hold your Fund Shares, would be: |
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| Expense Example by, Year, Caption [Text] | You would pay the following expenses whether you sell or hold your Fund Shares at the end of the period: | ||||||||||||||||||||||||||||||||||||||||
| Expense Example, With Redemption [Table] |
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| Expense Example, No Redemption, By Year, Caption [Text] | You would pay the following expenses whether you sell or hold your Fund Shares at the end of the period: | ||||||||||||||||||||||||||||||||||||||||
| Expense Example, No Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | ||||||||||||||||||||||||||||||||||||||||
| Portfolio Turnover [Text Block] |
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund Shares are held in a taxable account. These costs, which are not reflected in Annual Fund Operating Expenses or in the example, affect the Fund's performance. During the period from January 22, 2025 (commencement of operations) through July 31, 2025, the Fund's portfolio turnover rate was 0% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | none | ||||||||||||||||||||||||||||||||||||||||
| Calamos Bitcoin Structured Alt Protection ETF - April | |||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund ("Fund Shares"). Investors may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Operating Expenses Caption [Optional Text] | Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment): | ||||||||||||||||||||||||||||||||||||||||
| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | ||||||||||||||||||||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated, and then sell all of your Fund Shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs, whether you sell or hold your Fund Shares, would be: |
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| Expense Example by, Year, Caption [Text] | You would pay the following expenses whether you sell or hold your Fund Shares at the end of the period: | ||||||||||||||||||||||||||||||||||||||||
| Expense Example, With Redemption [Table] |
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| Expense Example, No Redemption, By Year, Caption [Text] | You would pay the following expenses whether you sell or hold your Fund Shares at the end of the period: | ||||||||||||||||||||||||||||||||||||||||
| Expense Example, No Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | ||||||||||||||||||||||||||||||||||||||||
| Portfolio Turnover [Text Block] |
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund Shares are held in a taxable account. These costs, which are not reflected in Annual Fund Operating Expenses or in the example, affect the Fund's performance. During the period from April 7, 2025 (commencement of operations) through July 31, 2025, the Fund's portfolio turnover rate was 0% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | none | ||||||||||||||||||||||||||||||||||||||||
| Calamos Bitcoin Structured Alt Protection ETF - July | |||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund ("Fund Shares"). Investors may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Operating Expenses Caption [Optional Text] | Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment): | ||||||||||||||||||||||||||||||||||||||||
| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | ||||||||||||||||||||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated, and then sell all of your Fund Shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs, whether you sell or hold your Fund Shares, would be: |
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| Expense Example by, Year, Caption [Text] | You would pay the following expenses whether you sell or hold your Fund Shares at the end of the period: | ||||||||||||||||||||||||||||||||||||||||
| Expense Example, With Redemption [Table] |
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| Expense Example, No Redemption, By Year, Caption [Text] | You would pay the following expenses whether you sell or hold your Fund Shares at the end of the period: | ||||||||||||||||||||||||||||||||||||||||
| Expense Example, No Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | ||||||||||||||||||||||||||||||||||||||||
| Portfolio Turnover [Text Block] |
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund Shares are held in a taxable account. These costs, which are not reflected in Annual Fund Operating Expenses or in the example, affect the Fund's performance. During the period from July 8, 2025 (commencement of operations) through July 31, 2025, the Fund's portfolio turnover rate was 0% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | none | ||||||||||||||||||||||||||||||||||||||||
| Calamos Bitcoin Structured Alt Protection ETF - October | |||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund ("Fund Shares"). Investors may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Operating Expenses Caption [Optional Text] | Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment): | ||||||||||||||||||||||||||||||||||||||||
| Annual Fund Operating Expenses [Table] |
|
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| Expense Example [Heading] | Example | ||||||||||||||||||||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated, and then sell all of your Fund Shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs, whether you sell or hold your Fund Shares, would be: |
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| Expense Example by, Year, Caption [Text] | You would pay the following expenses whether you sell or hold your Fund Shares at the end of the period: | ||||||||||||||||||||||||||||||||||||||||
| Expense Example, With Redemption [Table] |
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| Expense Example, No Redemption, By Year, Caption [Text] | You would pay the following expenses whether you sell or hold your Fund Shares at the end of the period: | ||||||||||||||||||||||||||||||||||||||||
| Expense Example, No Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | ||||||||||||||||||||||||||||||||||||||||
| Portfolio Turnover [Text Block] |
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund Shares are held in a taxable account. These costs, which are not reflected in Annual Fund Operating Expenses or in the example, affect the Fund's performance. The Fund commenced operations on October 7, 2025. Because the Fund has not yet completed a fiscal period as of the date of this prospectus, no portfolio turnover rate is available. Information that gives some indication of the risks of an investment in the Fund by comparing the Fund's performance with a broad measure of market performance, is available on the Fund's website at: www.calamos.com. |
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| Calamos Bitcoin 90 Series Structured Alt Protection ETF - January | |||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund ("Fund Shares"). Investors may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Operating Expenses Caption [Optional Text] | Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment): | ||||||||||||||||||||||||||||||||||||||||
| Annual Fund Operating Expenses [Table] |
|
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| Expense Example [Heading] | Example | ||||||||||||||||||||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated, and then sell all of your Fund Shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs, whether you sell or hold your Fund Shares, would be: |
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| Expense Example by, Year, Caption [Text] | You would pay the following expenses whether you sell or hold your Fund Shares at the end of the period: | ||||||||||||||||||||||||||||||||||||||||
| Expense Example, With Redemption [Table] |
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| Expense Example, No Redemption, By Year, Caption [Text] | You would pay the following expenses whether you sell or hold your Fund Shares at the end of the period: | ||||||||||||||||||||||||||||||||||||||||
| Expense Example, No Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | ||||||||||||||||||||||||||||||||||||||||
| Portfolio Turnover [Text Block] |
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund Shares are held in a taxable account. These costs, which are not reflected in Annual Fund Operating Expenses or in the example, affect the Fund's performance. During the period from February 4, 2025 (commencement of operations) through July 31, 2025, the Fund's portfolio turnover rate was 0% of the average value of its portfolio. |
||||||||||||||||||||||||||||||||||||||||
| Portfolio Turnover, Rate | none | ||||||||||||||||||||||||||||||||||||||||
| Calamos Bitcoin 90 Series Structured Alt Protection ETF - April | |||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund ("Fund Shares"). Investors may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Operating Expenses Caption [Optional Text] | Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment): | ||||||||||||||||||||||||||||||||||||||||
| Annual Fund Operating Expenses [Table] |
|
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| Expense Example [Heading] | Example | ||||||||||||||||||||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated, and then sell all of your Fund Shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs, whether you sell or hold your Fund Shares, would be: |
||||||||||||||||||||||||||||||||||||||||
| Expense Example by, Year, Caption [Text] | You would pay the following expenses whether you sell or hold your Fund Shares at the end of the period: | ||||||||||||||||||||||||||||||||||||||||
| Expense Example, With Redemption [Table] |
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| Expense Example, No Redemption, By Year, Caption [Text] | You would pay the following expenses whether you sell or hold your Fund Shares at the end of the period: | ||||||||||||||||||||||||||||||||||||||||
| Expense Example, No Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | ||||||||||||||||||||||||||||||||||||||||
| Portfolio Turnover [Text Block] |
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund Shares are held in a taxable account. These costs, which are not reflected in Annual Fund Operating Expenses or in the example, affect the Fund's performance. During the period from April 7, 2025 (commencement of operations) through July 31, 2025, the Fund's portfolio turnover rate was 0% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | none | ||||||||||||||||||||||||||||||||||||||||
| Calamos Bitcoin 90 Series Structured Alt Protection ETF - July | |||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund ("Fund Shares"). Investors may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Operating Expenses Caption [Optional Text] | Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment): | ||||||||||||||||||||||||||||||||||||||||
| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | ||||||||||||||||||||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated, and then sell all of your Fund Shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs, whether you sell or hold your Fund Shares, would be: |
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| Expense Example by, Year, Caption [Text] | You would pay the following expenses whether you sell or hold your Fund Shares at the end of the period: | ||||||||||||||||||||||||||||||||||||||||
| Expense Example, With Redemption [Table] |
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| Expense Example, No Redemption, By Year, Caption [Text] | You would pay the following expenses whether you sell or hold your Fund Shares at the end of the period: | ||||||||||||||||||||||||||||||||||||||||
| Expense Example, No Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | ||||||||||||||||||||||||||||||||||||||||
| Portfolio Turnover [Text Block] |
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund Shares are held in a taxable account. These costs, which are not reflected in Annual Fund Operating Expenses or in the example, affect the Fund's performance. During the period from July 8, 2025 (commencement of operations) through July 31, 2025, the Fund's portfolio turnover rate was 0% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | none | ||||||||||||||||||||||||||||||||||||||||
| Calamos Bitcoin 90 Series Structured Alt Protection ETF - October | |||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund ("Fund Shares"). Investors may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Operating Expenses Caption [Optional Text] | Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment): | ||||||||||||||||||||||||||||||||||||||||
| Annual Fund Operating Expenses [Table] |
|
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| Expense Example [Heading] | Example | ||||||||||||||||||||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated, and then sell all of your Fund Shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs, whether you sell or hold your Fund Shares, would be: |
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| Expense Example by, Year, Caption [Text] | You would pay the following expenses whether you sell or hold your Fund Shares at the end of the period: | ||||||||||||||||||||||||||||||||||||||||
| Expense Example, With Redemption [Table] |
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| Expense Example, No Redemption, By Year, Caption [Text] | You would pay the following expenses whether you sell or hold your Fund Shares at the end of the period: | ||||||||||||||||||||||||||||||||||||||||
| Expense Example, No Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | ||||||||||||||||||||||||||||||||||||||||
| Portfolio Turnover [Text Block] |
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund Shares are held in a taxable account. These costs, which are not reflected in Annual Fund Operating Expenses or in the example, affect the Fund's performance. The Fund commenced operations on October 7, 2025. Because the Fund has not yet completed a fiscal period as of the date of this prospectus, no portfolio turnover rate is available. Information that gives some indication of the risks of an investment in the Fund by comparing the Fund's performance with a broad measure of market performance, is available on the Fund's website at: www.calamos.com. |
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| Calamos Bitcoin 80 Series Structured Alt Protection ETF - January | |||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund ("Fund Shares"). Investors may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Operating Expenses Caption [Optional Text] | Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment): | ||||||||||||||||||||||||||||||||||||||||
| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | ||||||||||||||||||||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated, and then sell all of your Fund Shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs, whether you sell or hold your Fund Shares, would be: |
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| Expense Example by, Year, Caption [Text] | You would pay the following expenses whether you sell or hold your Fund Shares at the end of the period: | ||||||||||||||||||||||||||||||||||||||||
| Expense Example, With Redemption [Table] |
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| Expense Example, No Redemption, By Year, Caption [Text] | You would pay the following expenses whether you sell or hold your Fund Shares at the end of the period: | ||||||||||||||||||||||||||||||||||||||||
| Expense Example, No Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | ||||||||||||||||||||||||||||||||||||||||
| Portfolio Turnover [Text Block] |
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund Shares are held in a taxable account. These costs, which are not reflected in Annual Fund Operating Expenses or in the example, affect the Fund's performance. During the period from February 4, 2025 (commencement of operations) through July 31, 2025, the Fund's portfolio turnover rate was 0% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | none | ||||||||||||||||||||||||||||||||||||||||
| Calamos Bitcoin 80 Series Structured Alt Protection ETF - April | |||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund ("Fund Shares"). Investors may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Operating Expenses Caption [Optional Text] | Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment): | ||||||||||||||||||||||||||||||||||||||||
| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | ||||||||||||||||||||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated, and then sell all of your Fund Shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs, whether you sell or hold your Fund Shares, would be: |
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| Expense Example by, Year, Caption [Text] | You would pay the following expenses whether you sell or hold your Fund Shares at the end of the period: | ||||||||||||||||||||||||||||||||||||||||
| Expense Example, With Redemption [Table] |
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| Expense Example, No Redemption, By Year, Caption [Text] | You would pay the following expenses whether you sell or hold your Fund Shares at the end of the period: | ||||||||||||||||||||||||||||||||||||||||
| Expense Example, No Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | ||||||||||||||||||||||||||||||||||||||||
| Portfolio Turnover [Text Block] | The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund Shares are held in a taxable account. These costs, which are not reflected in Annual Fund Operating Expenses or in the example, affect the Fund's performance. During the period from April 7, 2025 (commencement of operations) through July 31, 2025, the Fund's portfolio turnover rate was 0% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | none | ||||||||||||||||||||||||||||||||||||||||
| Calamos Bitcoin 80 Series Structured Alt Protection ETF - July | |||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund ("Fund Shares"). Investors may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Operating Expenses Caption [Optional Text] | Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment): | ||||||||||||||||||||||||||||||||||||||||
| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | ||||||||||||||||||||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated, and then sell all of your Fund Shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs, whether you sell or hold your Fund Shares, would be: |
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| Expense Example by, Year, Caption [Text] | You would pay the following expenses whether you sell or hold your Fund Shares at the end of the period: | ||||||||||||||||||||||||||||||||||||||||
| Expense Example, With Redemption [Table] |
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| Expense Example, No Redemption, By Year, Caption [Text] | You would pay the following expenses whether you sell or hold your Fund Shares at the end of the period: | ||||||||||||||||||||||||||||||||||||||||
| Expense Example, No Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | ||||||||||||||||||||||||||||||||||||||||
| Portfolio Turnover [Text Block] |
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund Shares are held in a taxable account. These costs, which are not reflected in Annual Fund Operating Expenses or in the example, affect the Fund's performance. During the period from July 8, 2025 (commencement of operations) through July 31, 2025, the Fund's portfolio turnover rate was 0% of the average value of its portfolio. |
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| Portfolio Turnover, Rate | none | ||||||||||||||||||||||||||||||||||||||||
| Calamos Bitcoin 80 Series Structured Alt Protection ETF - October | |||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||
| Expense Heading [Optional Text] | Fees and Expenses of the Fund | ||||||||||||||||||||||||||||||||||||||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund ("Fund Shares"). Investors may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. |
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| Operating Expenses Caption [Optional Text] | Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment): | ||||||||||||||||||||||||||||||||||||||||
| Annual Fund Operating Expenses [Table] |
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| Expense Example [Heading] | Example | ||||||||||||||||||||||||||||||||||||||||
| Expense Example Narrative [Text Block] | This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated, and then sell all of your Fund Shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs, whether you sell or hold your Fund Shares, would be: |
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| Expense Example by, Year, Caption [Text] | You would pay the following expenses whether you sell or hold your Fund Shares at the end of the period: | ||||||||||||||||||||||||||||||||||||||||
| Expense Example, With Redemption [Table] |
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| Expense Example, No Redemption, By Year, Caption [Text] | You would pay the following expenses whether you sell or hold your Fund Shares at the end of the period: | ||||||||||||||||||||||||||||||||||||||||
| Expense Example, No Redemption [Table] |
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| Portfolio Turnover [Heading] | Portfolio Turnover | ||||||||||||||||||||||||||||||||||||||||
| Portfolio Turnover [Text Block] |
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund Shares are held in a taxable account. These costs, which are not reflected in Annual Fund Operating Expenses or in the example, affect the Fund's performance. The Fund commenced operations on October 7, 2025. Because the Fund has not yet completed a fiscal period as of the date of this prospectus, no portfolio turnover rate is available. Information that gives some indication of the risks of an investment in the Fund by comparing the Fund's performance with a broad measure of market performance, is available on the Fund's website at: www.calamos.com. |
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