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Contract OI history

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Dec 15, 2028 EXPIRATION

F $25.00 Put

F281215P00025000

Latest saved OI129Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
F $25.00 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. 129640 2026-10-02: 122 OI2026-10-05: 123 OI2026-10-06: 123 OI2026-10-07: 123 OI2026-10-08: 123 OI2026-10-09: 123 OI2026-10-13: 123 OI2026-10-14: 123 OI2026-10-15: 123 OI2026-10-16: 123 OI2026-10-21: 129 OI2026-10-23: 129 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

F contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1290
Oct 21, 2026129+6
Oct 16, 20261230
Oct 15, 20261230
Oct 14, 20261230
Oct 13, 20261230
Oct 09, 20261230
Oct 08, 20261230
Oct 07, 20261230
Oct 06, 20261230
Oct 05, 2026123+1
Oct 02, 2026122No prior observation