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Contract OI history

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Dec 18, 2026 EXPIRATION

PFE $22.00 Put

PFE261218P00022000

Latest saved OI1,705Oct 23, 2026
Last change-10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $22.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,7158570 2026-10-02: 1,700 OI2026-10-05: 1,703 OI2026-10-06: 1,703 OI2026-10-07: 1,703 OI2026-10-08: 1,703 OI2026-10-09: 1,705 OI2026-10-13: 1,704 OI2026-10-14: 1,704 OI2026-10-15: 1,703 OI2026-10-16: 1,702 OI2026-10-21: 1,715 OI2026-10-23: 1,705 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, 2026Viewing1,705-10
Oct 21, 20261,715+13
Oct 16, 20261,702-1
Oct 15, 20261,703-1
Oct 14, 20261,7040
Oct 13, 20261,704-1
Oct 09, 20261,705+2
Oct 08, 20261,7030
Oct 07, 20261,7030
Oct 06, 20261,7030
Oct 05, 20261,703+3
Oct 02, 20261,700No prior observation