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Contract OI history

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Nov 20, 2026 EXPIRATION

RIO $75.00 Put

RIO261120P00075000

Latest saved OI222Oct 23, 2026
Last change+10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RIO $75.00 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. 2221110 2026-10-02: 5 OI2026-10-05: 47 OI2026-10-06: 47 OI2026-10-07: 82 OI2026-10-08: 82 OI2026-10-09: 83 OI2026-10-13: 192 OI2026-10-14: 192 OI2026-10-15: 197 OI2026-10-16: 197 OI2026-10-20: 212 OI2026-10-23: 222 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, 2026222+10
Oct 20, 2026Viewing212+15
Oct 16, 20261970
Oct 15, 2026197+5
Oct 14, 20261920
Oct 13, 2026192+109
Oct 09, 202683+1
Oct 08, 2026820
Oct 07, 202682+35
Oct 06, 2026470
Oct 05, 202647+42
Oct 02, 20265No prior observation