OITracker Cboe delayed data

Contract OI history

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Nov 13, 2026 EXPIRATION

PFE $24.00 Put

PFE261113P00024000

Latest saved OI403Oct 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 $24.00 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. 4042020 2026-10-02: 0 OI2026-10-05: 400 OI2026-10-06: 401 OI2026-10-07: 401 OI2026-10-08: 401 OI2026-10-09: 402 OI2026-10-13: 404 OI2026-10-14: 404 OI2026-10-15: 404 OI2026-10-16: 404 OI2026-10-21: 403 OI2026-10-23: 403 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, 2026Viewing4030
Oct 21, 2026403-1
Oct 16, 20264040
Oct 15, 20264040
Oct 14, 20264040
Oct 13, 2026404+2
Oct 09, 2026402+1
Oct 08, 20264010
Oct 07, 20264010
Oct 06, 2026401+1
Oct 05, 2026400+400
Oct 02, 20260No prior observation