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Contract OI history

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Jan 15, 2027 EXPIRATION

WFC $40.00 Put

WFC270115P00040000

Latest saved OI3,961Oct 23, 2026
Last change-20vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WFC $40.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3,9811,9900 2026-10-02: 3,981 OI2026-10-05: 3,981 OI2026-10-06: 3,981 OI2026-10-07: 3,981 OI2026-10-08: 3,981 OI2026-10-09: 3,981 OI2026-10-14: 3,981 OI2026-10-15: 3,981 OI2026-10-16: 3,981 OI2026-10-21: 3,981 OI2026-10-23: 3,961 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

WFC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,961-20
Oct 21, 20263,9810
Oct 16, 20263,9810
Oct 15, 20263,9810
Oct 14, 20263,9810
Oct 09, 20263,9810
Oct 08, 20263,9810
Oct 07, 20263,9810
Oct 06, 20263,9810
Oct 05, 20263,9810
Oct 02, 20263,981No prior observation