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Contract OI history

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Sep 17, 2027 EXPIRATION

PFE $25.00 Put

PFE270917P00025000

Latest saved OI3,049Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $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. 3,0491,5240 2026-10-02: 626 OI2026-10-05: 651 OI2026-10-06: 743 OI2026-10-07: 743 OI2026-10-08: 743 OI2026-10-09: 2,988 OI2026-10-13: 2,988 OI2026-10-14: 2,988 OI2026-10-15: 2,988 OI2026-10-16: 3,026 OI2026-10-21: 3,049 OI2026-10-23: 3,049 OI Oct 02, 2026Oct 23, 2026

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

PFE contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,0490
Oct 21, 20263,049+23
Oct 16, 20263,026+38
Oct 15, 20262,9880
Oct 14, 20262,9880
Oct 13, 20262,9880
Oct 09, 20262,988+2,245
Oct 08, 20267430
Oct 07, 20267430
Oct 06, 2026743+92
Oct 05, 2026651+25
Oct 02, 2026626No prior observation