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Contract OI history

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Nov 20, 2026 EXPIRATION

RIO $100.00 Call

RIO261120C00100000

Latest saved OI782Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RIO $100.00 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. 7833910 2026-10-02: 427 OI2026-10-05: 457 OI2026-10-06: 457 OI2026-10-07: 502 OI2026-10-08: 602 OI2026-10-09: 605 OI2026-10-13: 623 OI2026-10-14: 623 OI2026-10-15: 629 OI2026-10-16: 634 OI2026-10-20: 783 OI2026-10-23: 782 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, 2026782-1
Oct 20, 2026Viewing783+149
Oct 16, 2026634+5
Oct 15, 2026629+6
Oct 14, 20266230
Oct 13, 2026623+18
Oct 09, 2026605+3
Oct 08, 2026602+100
Oct 07, 2026502+45
Oct 06, 20264570
Oct 05, 2026457+30
Oct 02, 2026427No prior observation