0001501072 2026-08-03 2026-08-14 0001501072 dei:BusinessContactMember 2026-08-03 2026-08-14 false POS EX 0001501072 false No false RIVERNORTH OPPORTUNITIES FUND, INC. 360 South Rosemary Avenue, Suite 1420 West Palm Beach FL 33401 (303) 623-2577 Marcus L. Collins 360 South Rosemary Avenue, Suite 1420 West Palm Beach FL 33401 true