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Contract OI history

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Jan 15, 2027 EXPIRATION

RIO $97.50 Put

RIO270115P00097500

Latest saved OI521Oct 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 $97.50 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. 5212600 2026-10-02: 482 OI2026-10-05: 521 OI2026-10-06: 521 OI2026-10-07: 521 OI2026-10-08: 521 OI2026-10-09: 521 OI2026-10-13: 521 OI2026-10-14: 521 OI2026-10-15: 521 OI2026-10-16: 521 OI2026-10-20: 521 OI2026-10-23: 521 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, 20265210
Oct 20, 2026Viewing5210
Oct 16, 20265210
Oct 15, 20265210
Oct 14, 20265210
Oct 13, 20265210
Oct 09, 20265210
Oct 08, 20265210
Oct 07, 20265210
Oct 06, 20265210
Oct 05, 2026521+39
Oct 02, 2026482No prior observation