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Contract OI history

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Nov 20, 2026 EXPIRATION

RIO $85.00 Put

RIO261120P00085000

Latest saved OI633Oct 23, 2026
Last change+169vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RIO $85.00 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. 6333160 2026-10-02: 93 OI2026-10-05: 172 OI2026-10-06: 172 OI2026-10-07: 189 OI2026-10-08: 190 OI2026-10-09: 205 OI2026-10-13: 239 OI2026-10-14: 239 OI2026-10-15: 271 OI2026-10-16: 319 OI2026-10-20: 464 OI2026-10-23: 633 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, 2026633+169
Oct 20, 2026Viewing464+145
Oct 16, 2026319+48
Oct 15, 2026271+32
Oct 14, 20262390
Oct 13, 2026239+34
Oct 09, 2026205+15
Oct 08, 2026190+1
Oct 07, 2026189+17
Oct 06, 20261720
Oct 05, 2026172+79
Oct 02, 202693No prior observation