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Contract OI history

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Nov 20, 2026 EXPIRATION

PSX $230.00 Put

PSX261120P00230000

Latest saved OI250Oct 23, 2026
Last change+61vs 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. 2501250 2026-10-02: 164 OI2026-10-05: 177 OI2026-10-06: 189 OI2026-10-07: 172 OI2026-10-08: 172 OI2026-10-09: 188 OI2026-10-13: 198 OI2026-10-14: 198 OI2026-10-15: 197 OI2026-10-16: 188 OI2026-10-21: 189 OI2026-10-23: 250 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, 2026Viewing250+61
Oct 21, 2026189+1
Oct 16, 2026188-9
Oct 15, 2026197-1
Oct 14, 20261980
Oct 13, 2026198+10
Oct 09, 2026188+16
Oct 08, 20261720
Oct 07, 2026172-17
Oct 06, 2026189+12
Oct 05, 2026177+13
Oct 02, 2026164No prior observation