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Contract OI history

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Dec 18, 2026 EXPIRATION

RIO $115.00 Call

RIO261218C00115000

Latest saved OI682Oct 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 $115.00 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. 6883440 2026-10-02: 688 OI2026-10-05: 688 OI2026-10-06: 688 OI2026-10-07: 688 OI2026-10-08: 688 OI2026-10-09: 688 OI2026-10-13: 688 OI2026-10-14: 688 OI2026-10-15: 682 OI2026-10-16: 682 OI2026-10-20: 682 OI2026-10-23: 682 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, 20266820
Oct 20, 2026Viewing6820
Oct 16, 20266820
Oct 15, 2026682-6
Oct 14, 20266880
Oct 13, 20266880
Oct 09, 20266880
Oct 08, 20266880
Oct 07, 20266880
Oct 06, 20266880
Oct 05, 20266880
Oct 02, 2026688No prior observation