OITracker Cboe delayed data

Contract OI history

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Dec 04, 2026 EXPIRATION

PSX $280.00 Put

PSX261204P00280000

Latest saved OI0Oct 23, 2026
Last change—vs previous saved observation
Saved market days1Oct 23, 2026 onwards
Daily open interest Hover a point for its date and OI
PSX $280.00 put open interest history 1 saved observations from 2026-10-23 to 2026-10-23. Exact values and changes are listed in the table below. 10 2026-10-23: 0 OI Oct 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, 2026Viewing0No prior observation