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Contract OI history

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Oct 30, 2026 EXPIRATION

PFE $27.00 Put

PFE261030P00027000

Latest saved OI569Oct 23, 2026
Last change-60vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $27.00 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. 7123560 2026-10-02: 248 OI2026-10-05: 327 OI2026-10-06: 453 OI2026-10-07: 466 OI2026-10-08: 466 OI2026-10-09: 550 OI2026-10-13: 712 OI2026-10-14: 712 OI2026-10-15: 675 OI2026-10-16: 636 OI2026-10-21: 629 OI2026-10-23: 569 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, 2026Viewing569-60
Oct 21, 2026629-7
Oct 16, 2026636-39
Oct 15, 2026675-37
Oct 14, 20267120
Oct 13, 2026712+162
Oct 09, 2026550+84
Oct 08, 20264660
Oct 07, 2026466+13
Oct 06, 2026453+126
Oct 05, 2026327+79
Oct 02, 2026248No prior observation