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Contract OI history

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Jan 21, 2028 EXPIRATION

PSX $230.00 Put

PSX280121P00230000

Latest saved OI33Oct 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. 33160 2026-10-02: 10 OI2026-10-05: 10 OI2026-10-06: 10 OI2026-10-07: 10 OI2026-10-08: 30 OI2026-10-09: 30 OI2026-10-13: 30 OI2026-10-14: 30 OI2026-10-15: 30 OI2026-10-16: 30 OI2026-10-21: 33 OI2026-10-23: 33 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, 2026Viewing330
Oct 21, 202633+3
Oct 16, 2026300
Oct 15, 2026300
Oct 14, 2026300
Oct 13, 2026300
Oct 09, 2026300
Oct 08, 202630+20
Oct 07, 2026100
Oct 06, 2026100
Oct 05, 2026100
Oct 02, 202610No prior observation