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Contract OI history

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Jan 21, 2028 EXPIRATION

RIO $97.50 Call

RIO280121C00097500

Latest saved OI80Oct 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. 80400 2026-10-02: 75 OI2026-10-05: 76 OI2026-10-06: 76 OI2026-10-07: 76 OI2026-10-08: 76 OI2026-10-09: 76 OI2026-10-13: 79 OI2026-10-14: 79 OI2026-10-15: 80 OI2026-10-16: 80 OI2026-10-20: 80 OI2026-10-23: 80 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, 2026800
Oct 20, 2026Viewing800
Oct 16, 2026800
Oct 15, 202680+1
Oct 14, 2026790
Oct 13, 202679+3
Oct 09, 2026760
Oct 08, 2026760
Oct 07, 2026760
Oct 06, 2026760
Oct 05, 202676+1
Oct 02, 202675No prior observation