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Contract OI history

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Jun 17, 2027 EXPIRATION

PSX $230.00 Put

PSX270617P00230000

Latest saved OI89Oct 23, 2026
Last change-1vs 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. 93460 2026-10-02: 24 OI2026-10-05: 24 OI2026-10-06: 24 OI2026-10-07: 93 OI2026-10-08: 93 OI2026-10-09: 93 OI2026-10-13: 92 OI2026-10-14: 92 OI2026-10-15: 92 OI2026-10-16: 92 OI2026-10-21: 90 OI2026-10-23: 89 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, 2026Viewing89-1
Oct 21, 202690-2
Oct 16, 2026920
Oct 15, 2026920
Oct 14, 2026920
Oct 13, 202692-1
Oct 09, 2026930
Oct 08, 2026930
Oct 07, 202693+69
Oct 06, 2026240
Oct 05, 2026240
Oct 02, 202624No prior observation