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Contract OI history

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Dec 15, 2028 EXPIRATION

PFE $23.00 Put

PFE281215P00023000

Latest saved OI884Oct 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 $23.00 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. 8844420 2026-10-02: 822 OI2026-10-05: 822 OI2026-10-06: 822 OI2026-10-07: 822 OI2026-10-08: 822 OI2026-10-09: 833 OI2026-10-13: 842 OI2026-10-14: 842 OI2026-10-15: 853 OI2026-10-16: 874 OI2026-10-21: 884 OI2026-10-23: 884 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, 2026Viewing8840
Oct 21, 2026884+10
Oct 16, 2026874+21
Oct 15, 2026853+11
Oct 14, 20268420
Oct 13, 2026842+9
Oct 09, 2026833+11
Oct 08, 20268220
Oct 07, 20268220
Oct 06, 20268220
Oct 05, 20268220
Oct 02, 2026822No prior observation