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Contract OI history

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Dec 18, 2026 EXPIRATION

RIO $105.00 Call

RIO261218C00105000

Latest saved OI1,118Oct 23, 2026
Last change-24vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RIO $105.00 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. 1,1425710 2026-10-02: 828 OI2026-10-05: 831 OI2026-10-06: 831 OI2026-10-07: 834 OI2026-10-08: 832 OI2026-10-09: 825 OI2026-10-13: 804 OI2026-10-14: 804 OI2026-10-15: 799 OI2026-10-16: 802 OI2026-10-20: 1,142 OI2026-10-23: 1,118 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, 20261,118-24
Oct 20, 2026Viewing1,142+340
Oct 16, 2026802+3
Oct 15, 2026799-5
Oct 14, 20268040
Oct 13, 2026804-21
Oct 09, 2026825-7
Oct 08, 2026832-2
Oct 07, 2026834+3
Oct 06, 20268310
Oct 05, 2026831+3
Oct 02, 2026828No prior observation