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Contract OI history

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Nov 13, 2026 EXPIRATION

PFE $31.00 Call

PFE261113C00031000

Latest saved OI728Oct 23, 2026
Last change-34vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $31.00 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. 7623810 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 10 OI2026-10-07: 25 OI2026-10-08: 25 OI2026-10-09: 25 OI2026-10-13: 56 OI2026-10-14: 56 OI2026-10-15: 300 OI2026-10-16: 500 OI2026-10-21: 762 OI2026-10-23: 728 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, 2026Viewing728-34
Oct 21, 2026762+262
Oct 16, 2026500+200
Oct 15, 2026300+244
Oct 14, 2026560
Oct 13, 202656+31
Oct 09, 2026250
Oct 08, 2026250
Oct 07, 202625+15
Oct 06, 202610+10
Oct 05, 202600
Oct 02, 20260No prior observation