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Contract OI history

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Nov 20, 2026 EXPIRATION

RIO $90.00 Put

RIO261120P00090000

Latest saved OI3,558Oct 23, 2026
Last change+38vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RIO $90.00 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. 4,0022,0010 2026-10-02: 2,048 OI2026-10-05: 3,760 OI2026-10-06: 3,760 OI2026-10-07: 3,759 OI2026-10-08: 3,761 OI2026-10-09: 3,770 OI2026-10-13: 3,778 OI2026-10-14: 3,778 OI2026-10-15: 3,977 OI2026-10-16: 4,002 OI2026-10-20: 3,520 OI2026-10-23: 3,558 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, 20263,558+38
Oct 20, 2026Viewing3,520-482
Oct 16, 20264,002+25
Oct 15, 20263,977+199
Oct 14, 20263,7780
Oct 13, 20263,778+8
Oct 09, 20263,770+9
Oct 08, 20263,761+2
Oct 07, 20263,759-1
Oct 06, 20263,7600
Oct 05, 20263,760+1,712
Oct 02, 20262,048No prior observation