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Contract OI history

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Jan 15, 2027 EXPIRATION

RIO $90.00 Call

RIO270115C00090000

Latest saved OI1,024Oct 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 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. 1,0245120 2026-10-02: 988 OI2026-10-05: 987 OI2026-10-06: 987 OI2026-10-07: 987 OI2026-10-08: 987 OI2026-10-09: 987 OI2026-10-13: 988 OI2026-10-14: 988 OI2026-10-15: 988 OI2026-10-16: 1,016 OI2026-10-20: 1,018 OI2026-10-23: 1,024 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, 20261,024+6
Oct 20, 2026Viewing1,018+2
Oct 16, 20261,016+28
Oct 15, 20269880
Oct 14, 20269880
Oct 13, 2026988+1
Oct 09, 20269870
Oct 08, 20269870
Oct 07, 20269870
Oct 06, 20269870
Oct 05, 2026987-1
Oct 02, 2026988No prior observation