OITracker Cboe delayed data

Contract OI history

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Jun 17, 2027 EXPIRATION

PSX $210.00 Put

PSX270617P00210000

Latest saved OI975Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PSX $210.00 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. 9764880 2026-10-02: 975 OI2026-10-05: 975 OI2026-10-06: 976 OI2026-10-07: 976 OI2026-10-08: 976 OI2026-10-09: 976 OI2026-10-13: 975 OI2026-10-14: 975 OI2026-10-15: 975 OI2026-10-16: 975 OI2026-10-21: 975 OI2026-10-23: 975 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, 2026Viewing9750
Oct 21, 20269750
Oct 16, 20269750
Oct 15, 20269750
Oct 14, 20269750
Oct 13, 2026975-1
Oct 09, 20269760
Oct 08, 20269760
Oct 07, 20269760
Oct 06, 2026976+1
Oct 05, 20269750
Oct 02, 2026975No prior observation