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Contract OI history

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Sep 17, 2027 EXPIRATION

PFE $23.00 Put

PFE270917P00023000

Latest saved OI1,106Oct 23, 2026
Last change+67vs 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. 1,1065530 2026-10-02: 920 OI2026-10-05: 920 OI2026-10-06: 933 OI2026-10-07: 922 OI2026-10-08: 922 OI2026-10-09: 932 OI2026-10-13: 936 OI2026-10-14: 936 OI2026-10-15: 1,009 OI2026-10-16: 1,020 OI2026-10-21: 1,039 OI2026-10-23: 1,106 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, 2026Viewing1,106+67
Oct 21, 20261,039+19
Oct 16, 20261,020+11
Oct 15, 20261,009+73
Oct 14, 20269360
Oct 13, 2026936+4
Oct 09, 2026932+10
Oct 08, 20269220
Oct 07, 2026922-11
Oct 06, 2026933+13
Oct 05, 20269200
Oct 02, 2026920No prior observation