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Contract OI history

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Jan 15, 2027 EXPIRATION

PFE $18.00 Call

PFE270115C00018000

Latest saved OI406Oct 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 $18.00 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. 4182090 2026-10-02: 418 OI2026-10-05: 418 OI2026-10-06: 418 OI2026-10-07: 418 OI2026-10-08: 418 OI2026-10-09: 418 OI2026-10-13: 408 OI2026-10-14: 408 OI2026-10-15: 406 OI2026-10-16: 406 OI2026-10-21: 406 OI2026-10-23: 406 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, 2026Viewing4060
Oct 21, 20264060
Oct 16, 20264060
Oct 15, 2026406-2
Oct 14, 20264080
Oct 13, 2026408-10
Oct 09, 20264180
Oct 08, 20264180
Oct 07, 20264180
Oct 06, 20264180
Oct 05, 20264180
Oct 02, 2026418No prior observation