OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

PSX $230.00 Put

PSX270115P00230000

Latest saved OI414Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PSX $230.00 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. 4142070 2026-10-02: 403 OI2026-10-05: 405 OI2026-10-06: 406 OI2026-10-07: 408 OI2026-10-08: 408 OI2026-10-09: 407 OI2026-10-13: 406 OI2026-10-14: 406 OI2026-10-15: 406 OI2026-10-16: 407 OI2026-10-21: 412 OI2026-10-23: 414 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, 2026Viewing414+2
Oct 21, 2026412+5
Oct 16, 2026407+1
Oct 15, 20264060
Oct 14, 20264060
Oct 13, 2026406-1
Oct 09, 2026407-1
Oct 08, 20264080
Oct 07, 2026408+2
Oct 06, 2026406+1
Oct 05, 2026405+2
Oct 02, 2026403No prior observation