v3.26.3
Cover
Sep. 18, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Sep. 18, 2026
Current Fiscal Year End Date --06-30
Entity File Number 811-22472
Entity Registrant Name RiverNorth Opportunities Fund, Inc.
Entity Central Index Key 0001501072
Entity Tax Identification Number 46-4084978
Entity Incorporation, State or Country Code MD
Entity Address, Address Line One 360 South Rosemary Avenue
Entity Address, Address Line Two Suite 1420
Entity Address, City or Town West Palm Beach
Entity Address, State or Province FL
Entity Address, Postal Zip Code 33401
City Area Code (303)
Local Phone Number 623-2577
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Shares of Common Stock
Trading Symbol RIV
Security Exchange Name NYSE
Entity Emerging Growth Company false