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Contract OI history

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Mar 19, 2027 EXPIRATION

RIO $90.00 Call

RIO270319C00090000

Latest saved OI198Oct 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 $90.00 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. 2011000 2026-10-02: 201 OI2026-10-05: 201 OI2026-10-06: 201 OI2026-10-07: 201 OI2026-10-08: 198 OI2026-10-09: 198 OI2026-10-13: 198 OI2026-10-14: 198 OI2026-10-15: 198 OI2026-10-16: 198 OI2026-10-20: 198 OI2026-10-23: 198 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, 2026Viewing1980
Oct 20, 20261980
Oct 16, 20261980
Oct 15, 20261980
Oct 14, 20261980
Oct 13, 20261980
Oct 09, 20261980
Oct 08, 2026198-3
Oct 07, 20262010
Oct 06, 20262010
Oct 05, 20262010
Oct 02, 2026201No prior observation