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Contract OI history

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Jan 15, 2027 EXPIRATION

RIO $97.50 Call

RIO270115C00097500

Latest saved OI783Oct 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 $97.50 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. 7913950 2026-10-02: 638 OI2026-10-05: 772 OI2026-10-06: 772 OI2026-10-07: 791 OI2026-10-08: 791 OI2026-10-09: 791 OI2026-10-13: 783 OI2026-10-14: 783 OI2026-10-15: 783 OI2026-10-16: 783 OI2026-10-20: 783 OI2026-10-23: 783 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, 2026Viewing7830
Oct 20, 20267830
Oct 16, 20267830
Oct 15, 20267830
Oct 14, 20267830
Oct 13, 2026783-8
Oct 09, 20267910
Oct 08, 20267910
Oct 07, 2026791+19
Oct 06, 20267720
Oct 05, 2026772+134
Oct 02, 2026638No prior observation