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Contract OI history

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Oct 30, 2026 EXPIRATION

PSX $230.00 Put

PSX261030P00230000

Latest saved OI16Oct 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 $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. 20100 2026-10-02: 20 OI2026-10-05: 20 OI2026-10-06: 20 OI2026-10-07: 18 OI2026-10-08: 18 OI2026-10-09: 17 OI2026-10-13: 16 OI2026-10-14: 16 OI2026-10-15: 16 OI2026-10-16: 16 OI2026-10-21: 16 OI2026-10-23: 16 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, 2026Viewing160
Oct 21, 2026160
Oct 16, 2026160
Oct 15, 2026160
Oct 14, 2026160
Oct 13, 202616-1
Oct 09, 202617-1
Oct 08, 2026180
Oct 07, 202618-2
Oct 06, 2026200
Oct 05, 2026200
Oct 02, 202620No prior observation