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Contract OI history

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Jan 15, 2027 EXPIRATION

RIO $120.00 Call

RIO270115C00120000

Latest saved OI1,392Oct 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 $120.00 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. 1,4387190 2026-10-02: 1,333 OI2026-10-05: 1,407 OI2026-10-06: 1,407 OI2026-10-07: 1,432 OI2026-10-08: 1,433 OI2026-10-09: 1,438 OI2026-10-13: 1,403 OI2026-10-14: 1,403 OI2026-10-15: 1,403 OI2026-10-16: 1,396 OI2026-10-20: 1,393 OI2026-10-23: 1,392 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, 20261,392-1
Oct 20, 2026Viewing1,393-3
Oct 16, 20261,396-7
Oct 15, 20261,4030
Oct 14, 20261,4030
Oct 13, 20261,403-35
Oct 09, 20261,438+5
Oct 08, 20261,433+1
Oct 07, 20261,432+25
Oct 06, 20261,4070
Oct 05, 20261,407+74
Oct 02, 20261,333No prior observation