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Contract OI history

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Jan 15, 2027 EXPIRATION

RIO $110.00 Put

RIO270115P00110000

Latest saved OI182Oct 23, 2026
Last change-205vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RIO $110.00 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. 3881940 2026-10-02: 386 OI2026-10-05: 386 OI2026-10-06: 386 OI2026-10-07: 386 OI2026-10-08: 388 OI2026-10-09: 387 OI2026-10-13: 388 OI2026-10-14: 388 OI2026-10-15: 387 OI2026-10-16: 387 OI2026-10-20: 387 OI2026-10-23: 182 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, 2026182-205
Oct 20, 2026Viewing3870
Oct 16, 20263870
Oct 15, 2026387-1
Oct 14, 20263880
Oct 13, 2026388+1
Oct 09, 2026387-1
Oct 08, 2026388+2
Oct 07, 20263860
Oct 06, 20263860
Oct 05, 20263860
Oct 02, 2026386No prior observation