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Contract OI history

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Jun 17, 2027 EXPIRATION

PFE $20.00 Put

PFE270617P00020000

Latest saved OI16,149Oct 23, 2026
Last change-5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $20.00 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. 16,1708,0850 2026-10-02: 16,030 OI2026-10-05: 16,030 OI2026-10-06: 16,031 OI2026-10-07: 16,170 OI2026-10-08: 16,170 OI2026-10-09: 16,160 OI2026-10-13: 16,159 OI2026-10-14: 16,159 OI2026-10-15: 16,154 OI2026-10-16: 16,154 OI2026-10-21: 16,154 OI2026-10-23: 16,149 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, 2026Viewing16,149-5
Oct 21, 202616,1540
Oct 16, 202616,1540
Oct 15, 202616,154-5
Oct 14, 202616,1590
Oct 13, 202616,159-1
Oct 09, 202616,160-10
Oct 08, 202616,1700
Oct 07, 202616,170+139
Oct 06, 202616,031+1
Oct 05, 202616,0300
Oct 02, 202616,030No prior observation