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Contract OI history

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Jan 15, 2027 EXPIRATION

RIO $100.00 Put

RIO270115P00100000

Latest saved OI1,586Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RIO $100.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,5867930 2026-10-02: 1,582 OI2026-10-05: 1,583 OI2026-10-06: 1,583 OI2026-10-07: 1,583 OI2026-10-08: 1,583 OI2026-10-09: 1,586 OI2026-10-13: 1,586 OI2026-10-14: 1,586 OI2026-10-15: 1,586 OI2026-10-16: 1,586 OI2026-10-20: 1,586 OI2026-10-23: 1,586 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, 20261,5860
Oct 20, 2026Viewing1,5860
Oct 16, 20261,5860
Oct 15, 20261,5860
Oct 14, 20261,5860
Oct 13, 20261,5860
Oct 09, 20261,586+3
Oct 08, 20261,5830
Oct 07, 20261,5830
Oct 06, 20261,5830
Oct 05, 20261,583+1
Oct 02, 20261,582No prior observation