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Contract OI history

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Jan 21, 2028 EXPIRATION

PSX $200.00 Put

PSX280121P00200000

Latest saved OI219Oct 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 $200.00 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. 2191090 2026-10-02: 129 OI2026-10-05: 128 OI2026-10-06: 128 OI2026-10-07: 128 OI2026-10-08: 128 OI2026-10-09: 128 OI2026-10-13: 128 OI2026-10-14: 128 OI2026-10-15: 219 OI2026-10-16: 219 OI2026-10-21: 219 OI2026-10-23: 219 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, 2026Viewing2190
Oct 21, 20262190
Oct 16, 20262190
Oct 15, 2026219+91
Oct 14, 20261280
Oct 13, 20261280
Oct 09, 20261280
Oct 08, 20261280
Oct 07, 20261280
Oct 06, 20261280
Oct 05, 2026128-1
Oct 02, 2026129No prior observation