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Contract OI history

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Sep 17, 2027 EXPIRATION

PFE $27.00 Call

PFE270917C00027000

Latest saved OI292Oct 23, 2026
Last change-24vs 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. 3161580 2026-10-02: 258 OI2026-10-05: 254 OI2026-10-06: 281 OI2026-10-07: 282 OI2026-10-08: 282 OI2026-10-09: 282 OI2026-10-13: 297 OI2026-10-14: 297 OI2026-10-15: 286 OI2026-10-16: 297 OI2026-10-21: 316 OI2026-10-23: 292 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, 2026Viewing292-24
Oct 21, 2026316+19
Oct 16, 2026297+11
Oct 15, 2026286-11
Oct 14, 20262970
Oct 13, 2026297+15
Oct 09, 20262820
Oct 08, 20262820
Oct 07, 2026282+1
Oct 06, 2026281+27
Oct 05, 2026254-4
Oct 02, 2026258No prior observation