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Contract OI history

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Jan 15, 2027 EXPIRATION

RIO $90.00 Put

RIO270115P00090000

Latest saved OI900Oct 23, 2026
Last change+6vs 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. 9004500 2026-10-02: 882 OI2026-10-05: 881 OI2026-10-06: 881 OI2026-10-07: 881 OI2026-10-08: 881 OI2026-10-09: 881 OI2026-10-13: 882 OI2026-10-14: 882 OI2026-10-15: 883 OI2026-10-16: 883 OI2026-10-20: 894 OI2026-10-23: 900 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, 2026900+6
Oct 20, 2026Viewing894+11
Oct 16, 20268830
Oct 15, 2026883+1
Oct 14, 20268820
Oct 13, 2026882+1
Oct 09, 20268810
Oct 08, 20268810
Oct 07, 20268810
Oct 06, 20268810
Oct 05, 2026881-1
Oct 02, 2026882No prior observation