OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

PSX $265.00 Put

PSX261030P00265000

Latest saved OI120Oct 23, 2026
Last change+68vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PSX $265.00 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. 120600 2026-10-02: 14 OI2026-10-05: 14 OI2026-10-06: 14 OI2026-10-07: 14 OI2026-10-08: 17 OI2026-10-09: 25 OI2026-10-13: 47 OI2026-10-14: 47 OI2026-10-15: 47 OI2026-10-16: 47 OI2026-10-21: 52 OI2026-10-23: 120 OI Oct 02, 2026Oct 23, 2026

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

PSX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing120+68
Oct 21, 202652+5
Oct 16, 2026470
Oct 15, 2026470
Oct 14, 2026470
Oct 13, 202647+22
Oct 09, 202625+8
Oct 08, 202617+3
Oct 07, 2026140
Oct 06, 2026140
Oct 05, 2026140
Oct 02, 202614No prior observation