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Contract OI history

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Nov 20, 2026 EXPIRATION

PFE $23.00 Put

PFE261120P00023000

Latest saved OI6,916Oct 23, 2026
Last change-8vs 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. 6,9243,4620 2026-10-02: 6,130 OI2026-10-05: 6,130 OI2026-10-06: 6,131 OI2026-10-07: 6,131 OI2026-10-08: 6,131 OI2026-10-09: 6,126 OI2026-10-13: 6,013 OI2026-10-14: 6,013 OI2026-10-15: 6,021 OI2026-10-16: 6,019 OI2026-10-21: 6,924 OI2026-10-23: 6,916 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, 2026Viewing6,916-8
Oct 21, 20266,924+905
Oct 16, 20266,019-2
Oct 15, 20266,021+8
Oct 14, 20266,0130
Oct 13, 20266,013-113
Oct 09, 20266,126-5
Oct 08, 20266,1310
Oct 07, 20266,1310
Oct 06, 20266,131+1
Oct 05, 20266,1300
Oct 02, 20266,130No prior observation