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Contract OI history

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Nov 20, 2026 EXPIRATION

RIO $85.00 Call

RIO261120C00085000

Latest saved OI430Oct 23, 2026
Last change+52vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RIO $85.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4302150 2026-10-02: 103 OI2026-10-05: 103 OI2026-10-06: 103 OI2026-10-07: 103 OI2026-10-08: 103 OI2026-10-09: 103 OI2026-10-13: 103 OI2026-10-14: 103 OI2026-10-15: 103 OI2026-10-16: 104 OI2026-10-20: 378 OI2026-10-23: 430 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, 2026430+52
Oct 20, 2026Viewing378+274
Oct 16, 2026104+1
Oct 15, 20261030
Oct 14, 20261030
Oct 13, 20261030
Oct 09, 20261030
Oct 08, 20261030
Oct 07, 20261030
Oct 06, 20261030
Oct 05, 20261030
Oct 02, 2026103No prior observation