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Contract OI history

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Jan 15, 2027 EXPIRATION

RIO $82.50 Put

RIO270115P00082500

Latest saved OI292Oct 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 $82.50 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2921460 2026-10-02: 287 OI2026-10-05: 288 OI2026-10-06: 288 OI2026-10-07: 288 OI2026-10-08: 291 OI2026-10-09: 291 OI2026-10-13: 291 OI2026-10-14: 291 OI2026-10-15: 291 OI2026-10-16: 291 OI2026-10-20: 292 OI2026-10-23: 292 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, 20262920
Oct 20, 2026Viewing292+1
Oct 16, 20262910
Oct 15, 20262910
Oct 14, 20262910
Oct 13, 20262910
Oct 09, 20262910
Oct 08, 2026291+3
Oct 07, 20262880
Oct 06, 20262880
Oct 05, 2026288+1
Oct 02, 2026287No prior observation