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Contract OI history

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Dec 18, 2026 EXPIRATION

PFE $27.00 Call

PFE261218C00027000

Latest saved OI26,985Oct 23, 2026
Last change-47vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $27.00 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. 27,91613,9580 2026-10-02: 27,867 OI2026-10-05: 27,875 OI2026-10-06: 27,912 OI2026-10-07: 27,890 OI2026-10-08: 27,890 OI2026-10-09: 27,916 OI2026-10-13: 27,845 OI2026-10-14: 27,845 OI2026-10-15: 27,490 OI2026-10-16: 27,053 OI2026-10-21: 27,032 OI2026-10-23: 26,985 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, 2026Viewing26,985-47
Oct 21, 202627,032-21
Oct 16, 202627,053-437
Oct 15, 202627,490-355
Oct 14, 202627,8450
Oct 13, 202627,845-71
Oct 09, 202627,916+26
Oct 08, 202627,8900
Oct 07, 202627,890-22
Oct 06, 202627,912+37
Oct 05, 202627,875+8
Oct 02, 202627,867No prior observation