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Contract OI history

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Jan 15, 2027 EXPIRATION

RIO $100.00 Call

RIO270115C00100000

Latest saved OI1,449Oct 23, 2026
Last change+9vs 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. 1,4727360 2026-10-02: 1,344 OI2026-10-05: 1,455 OI2026-10-06: 1,455 OI2026-10-07: 1,457 OI2026-10-08: 1,457 OI2026-10-09: 1,457 OI2026-10-13: 1,472 OI2026-10-14: 1,472 OI2026-10-15: 1,466 OI2026-10-16: 1,466 OI2026-10-20: 1,440 OI2026-10-23: 1,449 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, 20261,449+9
Oct 20, 2026Viewing1,440-26
Oct 16, 20261,4660
Oct 15, 20261,466-6
Oct 14, 20261,4720
Oct 13, 20261,472+15
Oct 09, 20261,4570
Oct 08, 20261,4570
Oct 07, 20261,457+2
Oct 06, 20261,4550
Oct 05, 20261,455+111
Oct 02, 20261,344No prior observation