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Contract OI history

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Jan 21, 2028 EXPIRATION

RIO $120.00 Call

RIO280121C00120000

Latest saved OI271Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RIO $120.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2751370 2026-10-02: 274 OI2026-10-05: 275 OI2026-10-06: 275 OI2026-10-07: 275 OI2026-10-08: 275 OI2026-10-09: 275 OI2026-10-13: 271 OI2026-10-14: 271 OI2026-10-15: 269 OI2026-10-16: 269 OI2026-10-20: 271 OI2026-10-23: 271 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

RIO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20262710
Oct 20, 2026Viewing271+2
Oct 16, 20262690
Oct 15, 2026269-2
Oct 14, 20262710
Oct 13, 2026271-4
Oct 09, 20262750
Oct 08, 20262750
Oct 07, 20262750
Oct 06, 20262750
Oct 05, 2026275+1
Oct 02, 2026274No prior observation