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Contract OI history

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Jun 17, 2027 EXPIRATION

WFC $37.50 Put

WFC270617P00037500

Latest saved OI355Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WFC $37.50 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. 3551770 2026-10-02: 352 OI2026-10-05: 352 OI2026-10-06: 352 OI2026-10-07: 354 OI2026-10-08: 354 OI2026-10-09: 354 OI2026-10-14: 355 OI2026-10-15: 355 OI2026-10-16: 355 OI2026-10-21: 355 OI2026-10-23: 355 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, 2026Viewing3550
Oct 21, 20263550
Oct 16, 20263550
Oct 15, 20263550
Oct 14, 2026355+1
Oct 09, 20263540
Oct 08, 20263540
Oct 07, 2026354+2
Oct 06, 20263520
Oct 05, 20263520
Oct 02, 2026352No prior observation