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Contract OI history

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Jun 17, 2027 EXPIRATION

PFE $37.00 Call

PFE270617C00037000

Latest saved OI3,621Oct 23, 2026
Last change-159vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $37.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3,7801,8900 2026-10-02: 3,619 OI2026-10-05: 3,619 OI2026-10-06: 3,619 OI2026-10-07: 3,619 OI2026-10-08: 3,619 OI2026-10-09: 3,777 OI2026-10-13: 3,777 OI2026-10-14: 3,777 OI2026-10-15: 3,778 OI2026-10-16: 3,780 OI2026-10-21: 3,780 OI2026-10-23: 3,621 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, 2026Viewing3,621-159
Oct 21, 20263,7800
Oct 16, 20263,780+2
Oct 15, 20263,778+1
Oct 14, 20263,7770
Oct 13, 20263,7770
Oct 09, 20263,777+158
Oct 08, 20263,6190
Oct 07, 20263,6190
Oct 06, 20263,6190
Oct 05, 20263,6190
Oct 02, 20263,619No prior observation