OITracker Cboe delayed data

Contract OI history

Back to PFE

Dec 15, 2028 EXPIRATION

PFE $37.00 Call

PFE281215C00037000

Latest saved OI2,966Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $37.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2,9681,4840 2026-10-02: 2,940 OI2026-10-05: 2,940 OI2026-10-06: 2,940 OI2026-10-07: 2,933 OI2026-10-08: 2,933 OI2026-10-09: 2,933 OI2026-10-13: 2,933 OI2026-10-14: 2,933 OI2026-10-15: 2,935 OI2026-10-16: 2,963 OI2026-10-21: 2,968 OI2026-10-23: 2,966 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, 2026Viewing2,966-2
Oct 21, 20262,968+5
Oct 16, 20262,963+28
Oct 15, 20262,935+2
Oct 14, 20262,9330
Oct 13, 20262,9330
Oct 09, 20262,9330
Oct 08, 20262,9330
Oct 07, 20262,933-7
Oct 06, 20262,9400
Oct 05, 20262,9400
Oct 02, 20262,940No prior observation