OITracker Cboe delayed data

Contract OI history

Back to PFE

Jun 17, 2027 EXPIRATION

PFE $25.00 Put

PFE270617P00025000

Latest saved OI23,716Oct 23, 2026
Last change-4vs 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. 23,94811,9740 2026-10-02: 23,920 OI2026-10-05: 23,927 OI2026-10-06: 23,943 OI2026-10-07: 23,943 OI2026-10-08: 23,943 OI2026-10-09: 23,948 OI2026-10-13: 23,808 OI2026-10-14: 23,808 OI2026-10-15: 23,792 OI2026-10-16: 23,783 OI2026-10-21: 23,720 OI2026-10-23: 23,716 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, 2026Viewing23,716-4
Oct 21, 202623,720-63
Oct 16, 202623,783-9
Oct 15, 202623,792-16
Oct 14, 202623,8080
Oct 13, 202623,808-140
Oct 09, 202623,948+5
Oct 08, 202623,9430
Oct 07, 202623,9430
Oct 06, 202623,943+16
Oct 05, 202623,927+7
Oct 02, 202623,920No prior observation