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Contract OI history

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Dec 18, 2026 EXPIRATION

PFE $30.00 Put

PFE261218P00030000

Latest saved OI5,560Oct 23, 2026
Last change+9vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $30.00 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. 5,5782,7890 2026-10-02: 5,035 OI2026-10-05: 5,035 OI2026-10-06: 5,035 OI2026-10-07: 5,025 OI2026-10-08: 5,025 OI2026-10-09: 5,025 OI2026-10-13: 5,014 OI2026-10-14: 5,014 OI2026-10-15: 5,053 OI2026-10-16: 5,578 OI2026-10-21: 5,551 OI2026-10-23: 5,560 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, 2026Viewing5,560+9
Oct 21, 20265,551-27
Oct 16, 20265,578+525
Oct 15, 20265,053+39
Oct 14, 20265,0140
Oct 13, 20265,014-11
Oct 09, 20265,0250
Oct 08, 20265,0250
Oct 07, 20265,025-10
Oct 06, 20265,0350
Oct 05, 20265,0350
Oct 02, 20265,035No prior observation