OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

OR $30.00 Put

OR261120P00030000

Latest saved OI136Oct 23, 2026
Last change+3vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OR $30.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 136680 2026-10-02: 49 OI2026-10-05: 74 OI2026-10-07: 75 OI2026-10-08: 75 OI2026-10-09: 75 OI2026-10-13: 75 OI2026-10-14: 75 OI2026-10-16: 133 OI2026-10-20: 133 OI2026-10-23: 136 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

OR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing136+3
Oct 20, 20261330
Oct 16, 2026133+58
Oct 14, 2026750
Oct 13, 2026750
Oct 09, 2026750
Oct 08, 2026750
Oct 07, 202675+1
Oct 05, 202674+25
Oct 02, 202649No prior observation