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Contract OI history

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Nov 20, 2026 EXPIRATION

PFE $24.00 Put

PFE261120P00024000

Latest saved OI4,147Oct 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 $24.00 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. 4,2982,1490 2026-10-02: 4,238 OI2026-10-05: 4,247 OI2026-10-06: 4,283 OI2026-10-07: 4,284 OI2026-10-08: 4,284 OI2026-10-09: 4,289 OI2026-10-13: 4,298 OI2026-10-14: 4,298 OI2026-10-15: 4,262 OI2026-10-16: 4,254 OI2026-10-21: 4,157 OI2026-10-23: 4,147 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, 2026Viewing4,147-10
Oct 21, 20264,157-97
Oct 16, 20264,254-8
Oct 15, 20264,262-36
Oct 14, 20264,2980
Oct 13, 20264,298+9
Oct 09, 20264,289+5
Oct 08, 20264,2840
Oct 07, 20264,284+1
Oct 06, 20264,283+36
Oct 05, 20264,247+9
Oct 02, 20264,238No prior observation