OITracker Cboe delayed data

Contract OI history

Back to PSX

Mar 19, 2027 EXPIRATION

PSX $260.00 Put

PSX270319P00260000

Latest saved OI116Oct 23, 2026
Last change-3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PSX $260.00 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. 119590 2026-10-02: 28 OI2026-10-05: 30 OI2026-10-06: 101 OI2026-10-07: 102 OI2026-10-08: 102 OI2026-10-09: 115 OI2026-10-13: 116 OI2026-10-14: 116 OI2026-10-15: 116 OI2026-10-16: 119 OI2026-10-21: 119 OI2026-10-23: 116 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, 2026Viewing116-3
Oct 21, 20261190
Oct 16, 2026119+3
Oct 15, 20261160
Oct 14, 20261160
Oct 13, 2026116+1
Oct 09, 2026115+13
Oct 08, 20261020
Oct 07, 2026102+1
Oct 06, 2026101+71
Oct 05, 202630+2
Oct 02, 202628No prior observation