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Contract OI history

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Mar 19, 2027 EXPIRATION

PFE $27.00 Put

PFE270319P00027000

Latest saved OI9,693Oct 23, 2026
Last change+651vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $27.00 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. 9,6934,8460 2026-10-02: 9,236 OI2026-10-05: 9,236 OI2026-10-06: 9,267 OI2026-10-07: 9,266 OI2026-10-08: 9,266 OI2026-10-09: 9,068 OI2026-10-13: 9,069 OI2026-10-14: 9,069 OI2026-10-15: 9,089 OI2026-10-16: 9,117 OI2026-10-21: 9,042 OI2026-10-23: 9,693 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, 2026Viewing9,693+651
Oct 21, 20269,042-75
Oct 16, 20269,117+28
Oct 15, 20269,089+20
Oct 14, 20269,0690
Oct 13, 20269,069+1
Oct 09, 20269,068-198
Oct 08, 20269,2660
Oct 07, 20269,266-1
Oct 06, 20269,267+31
Oct 05, 20269,2360
Oct 02, 20269,236No prior observation