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Contract OI history

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Jan 15, 2027 EXPIRATION

PFE $29.00 Put

PFE270115P00029000

Latest saved OI1,994Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $29.00 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. 1,9949970 2026-10-02: 1,659 OI2026-10-05: 1,588 OI2026-10-06: 1,641 OI2026-10-07: 1,641 OI2026-10-08: 1,641 OI2026-10-09: 1,647 OI2026-10-13: 1,708 OI2026-10-14: 1,708 OI2026-10-15: 1,756 OI2026-10-16: 1,833 OI2026-10-21: 1,992 OI2026-10-23: 1,994 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, 2026Viewing1,994+2
Oct 21, 20261,992+159
Oct 16, 20261,833+77
Oct 15, 20261,756+48
Oct 14, 20261,7080
Oct 13, 20261,708+61
Oct 09, 20261,647+6
Oct 08, 20261,6410
Oct 07, 20261,6410
Oct 06, 20261,641+53
Oct 05, 20261,588-71
Oct 02, 20261,659No prior observation