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Contract OI history

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Jan 15, 2027 EXPIRATION

PFE $31.00 Put

PFE270115P00031000

Latest saved OI105Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $31.00 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. 105520 2026-10-02: 19 OI2026-10-05: 19 OI2026-10-06: 19 OI2026-10-07: 19 OI2026-10-08: 19 OI2026-10-09: 19 OI2026-10-13: 19 OI2026-10-14: 19 OI2026-10-15: 54 OI2026-10-16: 54 OI2026-10-21: 102 OI2026-10-23: 105 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, 2026Viewing105+3
Oct 21, 2026102+48
Oct 16, 2026540
Oct 15, 202654+35
Oct 14, 2026190
Oct 13, 2026190
Oct 09, 2026190
Oct 08, 2026190
Oct 07, 2026190
Oct 06, 2026190
Oct 05, 2026190
Oct 02, 202619No prior observation