OITracker Cboe delayed data

Contract OI history

Back to PSX

Nov 20, 2026 EXPIRATION

PSX $260.00 Put

PSX261120P00260000

Latest saved OI358Oct 23, 2026
Last change+22vs 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. 3581790 2026-10-02: 205 OI2026-10-05: 210 OI2026-10-06: 218 OI2026-10-07: 217 OI2026-10-08: 220 OI2026-10-09: 228 OI2026-10-13: 277 OI2026-10-14: 277 OI2026-10-15: 285 OI2026-10-16: 286 OI2026-10-21: 336 OI2026-10-23: 358 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, 2026Viewing358+22
Oct 21, 2026336+50
Oct 16, 2026286+1
Oct 15, 2026285+8
Oct 14, 20262770
Oct 13, 2026277+49
Oct 09, 2026228+8
Oct 08, 2026220+3
Oct 07, 2026217-1
Oct 06, 2026218+8
Oct 05, 2026210+5
Oct 02, 2026205No prior observation