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Contract OI history

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Jun 17, 2027 EXPIRATION

PFE $20.00 Call

PFE270617C00020000

Latest saved OI943Oct 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 $20.00 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. 9464730 2026-10-02: 943 OI2026-10-05: 943 OI2026-10-06: 943 OI2026-10-07: 943 OI2026-10-08: 943 OI2026-10-09: 946 OI2026-10-13: 946 OI2026-10-14: 946 OI2026-10-15: 946 OI2026-10-16: 945 OI2026-10-21: 943 OI2026-10-23: 943 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, 2026Viewing9430
Oct 21, 2026943-2
Oct 16, 2026945-1
Oct 15, 20269460
Oct 14, 20269460
Oct 13, 20269460
Oct 09, 2026946+3
Oct 08, 20269430
Oct 07, 20269430
Oct 06, 20269430
Oct 05, 20269430
Oct 02, 2026943No prior observation