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Contract OI history

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Nov 06, 2026 EXPIRATION

PFE $25.00 Put

PFE261106P00025000

Latest saved OI170Oct 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. 170850 2026-10-02: 6 OI2026-10-05: 119 OI2026-10-06: 150 OI2026-10-07: 148 OI2026-10-08: 148 OI2026-10-09: 169 OI2026-10-13: 169 OI2026-10-14: 169 OI2026-10-15: 169 OI2026-10-16: 169 OI2026-10-21: 170 OI2026-10-23: 170 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, 2026Viewing1700
Oct 21, 2026170+1
Oct 16, 20261690
Oct 15, 20261690
Oct 14, 20261690
Oct 13, 20261690
Oct 09, 2026169+21
Oct 08, 20261480
Oct 07, 2026148-2
Oct 06, 2026150+31
Oct 05, 2026119+113
Oct 02, 20266No prior observation