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Contract OI history

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Jun 17, 2027 EXPIRATION

PFE $13.00 Put

PFE270617P00013000

Latest saved OI5,172Oct 23, 2026
Last change+500vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $13.00 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. 5,1722,5860 2026-10-02: 2,898 OI2026-10-05: 2,898 OI2026-10-06: 2,898 OI2026-10-07: 2,898 OI2026-10-08: 2,898 OI2026-10-09: 4,172 OI2026-10-13: 4,172 OI2026-10-14: 4,172 OI2026-10-15: 4,172 OI2026-10-16: 4,172 OI2026-10-21: 4,672 OI2026-10-23: 5,172 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, 2026Viewing5,172+500
Oct 21, 20264,672+500
Oct 16, 20264,1720
Oct 15, 20264,1720
Oct 14, 20264,1720
Oct 13, 20264,1720
Oct 09, 20264,172+1,274
Oct 08, 20262,8980
Oct 07, 20262,8980
Oct 06, 20262,8980
Oct 05, 20262,8980
Oct 02, 20262,898No prior observation