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Contract OI history

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Nov 20, 2026 EXPIRATION

PFE $39.00 Call

PFE261120C00039000

Latest saved OI4,815Oct 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 $39.00 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. 4,8152,4070 2026-10-02: 4,451 OI2026-10-05: 4,452 OI2026-10-06: 4,558 OI2026-10-07: 4,558 OI2026-10-08: 4,558 OI2026-10-09: 4,558 OI2026-10-13: 4,569 OI2026-10-14: 4,569 OI2026-10-15: 4,588 OI2026-10-16: 4,588 OI2026-10-21: 4,815 OI2026-10-23: 4,815 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, 2026Viewing4,8150
Oct 21, 20264,815+227
Oct 16, 20264,5880
Oct 15, 20264,588+19
Oct 14, 20264,5690
Oct 13, 20264,569+11
Oct 09, 20264,5580
Oct 08, 20264,5580
Oct 07, 20264,5580
Oct 06, 20264,558+106
Oct 05, 20264,452+1
Oct 02, 20264,451No prior observation