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Contract OI history

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Mar 19, 2027 EXPIRATION

RIO $92.50 Put

RIO270319P00092500

Latest saved OI172Oct 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 $92.50 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. 172860 2026-10-02: 158 OI2026-10-05: 158 OI2026-10-06: 158 OI2026-10-07: 158 OI2026-10-08: 172 OI2026-10-09: 172 OI2026-10-13: 172 OI2026-10-14: 172 OI2026-10-15: 172 OI2026-10-16: 172 OI2026-10-20: 172 OI2026-10-23: 172 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, 20261720
Oct 20, 2026Viewing1720
Oct 16, 20261720
Oct 15, 20261720
Oct 14, 20261720
Oct 13, 20261720
Oct 09, 20261720
Oct 08, 2026172+14
Oct 07, 20261580
Oct 06, 20261580
Oct 05, 20261580
Oct 02, 2026158No prior observation