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Contract OI history

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Nov 20, 2026 EXPIRATION

PFE $30.00 Put

PFE261120P00030000

Latest saved OI653Oct 23, 2026
Last change+94vs 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. 6533260 2026-10-02: 155 OI2026-10-05: 143 OI2026-10-06: 128 OI2026-10-07: 137 OI2026-10-08: 137 OI2026-10-09: 134 OI2026-10-13: 165 OI2026-10-14: 165 OI2026-10-15: 169 OI2026-10-16: 221 OI2026-10-21: 559 OI2026-10-23: 653 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, 2026Viewing653+94
Oct 21, 2026559+338
Oct 16, 2026221+52
Oct 15, 2026169+4
Oct 14, 20261650
Oct 13, 2026165+31
Oct 09, 2026134-3
Oct 08, 20261370
Oct 07, 2026137+9
Oct 06, 2026128-15
Oct 05, 2026143-12
Oct 02, 2026155No prior observation