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Contract OI history

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Dec 17, 2027 EXPIRATION

PFE $25.00 Put

PFE271217P00025000

Latest saved OI10,320Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $25.00 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. 10,3205,1600 2026-10-02: 10,223 OI2026-10-05: 10,223 OI2026-10-06: 10,310 OI2026-10-07: 10,315 OI2026-10-08: 10,315 OI2026-10-09: 10,308 OI2026-10-13: 10,306 OI2026-10-14: 10,306 OI2026-10-15: 10,304 OI2026-10-16: 10,314 OI2026-10-21: 10,320 OI2026-10-23: 10,320 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, 2026Viewing10,3200
Oct 21, 202610,320+6
Oct 16, 202610,314+10
Oct 15, 202610,304-2
Oct 14, 202610,3060
Oct 13, 202610,306-2
Oct 09, 202610,308-7
Oct 08, 202610,3150
Oct 07, 202610,315+5
Oct 06, 202610,310+87
Oct 05, 202610,2230
Oct 02, 202610,223No prior observation