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Contract OI history

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Nov 20, 2026 EXPIRATION

PFE $36.00 Call

PFE261120C00036000

Latest saved OI595Oct 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 $36.00 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. 5952970 2026-10-02: 371 OI2026-10-05: 371 OI2026-10-06: 582 OI2026-10-07: 584 OI2026-10-08: 584 OI2026-10-09: 585 OI2026-10-13: 585 OI2026-10-14: 585 OI2026-10-15: 585 OI2026-10-16: 586 OI2026-10-21: 595 OI2026-10-23: 595 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, 2026Viewing5950
Oct 21, 2026595+9
Oct 16, 2026586+1
Oct 15, 20265850
Oct 14, 20265850
Oct 13, 20265850
Oct 09, 2026585+1
Oct 08, 20265840
Oct 07, 2026584+2
Oct 06, 2026582+211
Oct 05, 20263710
Oct 02, 2026371No prior observation