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Contract OI history

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Mar 19, 2027 EXPIRATION

PFE $25.00 Put

PFE270319P00025000

Latest saved OI12,162Oct 23, 2026
Last change+10vs 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. 12,1626,0810 2026-10-02: 11,172 OI2026-10-05: 11,204 OI2026-10-06: 11,230 OI2026-10-07: 11,228 OI2026-10-08: 11,228 OI2026-10-09: 11,249 OI2026-10-13: 12,103 OI2026-10-14: 12,103 OI2026-10-15: 12,098 OI2026-10-16: 12,114 OI2026-10-21: 12,152 OI2026-10-23: 12,162 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, 2026Viewing12,162+10
Oct 21, 202612,152+38
Oct 16, 202612,114+16
Oct 15, 202612,098-5
Oct 14, 202612,1030
Oct 13, 202612,103+854
Oct 09, 202611,249+21
Oct 08, 202611,2280
Oct 07, 202611,228-2
Oct 06, 202611,230+26
Oct 05, 202611,204+32
Oct 02, 202611,172No prior observation