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Contract OI history

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Dec 18, 2026 EXPIRATION

WFC $42.50 Put

WFC261218P00042500

Latest saved OI11,221Oct 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 $42.50 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. 11,2215,6100 2026-10-02: 11,221 OI2026-10-05: 11,221 OI2026-10-06: 11,221 OI2026-10-07: 11,221 OI2026-10-08: 11,221 OI2026-10-09: 11,221 OI2026-10-14: 11,221 OI2026-10-15: 11,221 OI2026-10-16: 11,221 OI2026-10-21: 11,221 OI2026-10-23: 11,221 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, 2026Viewing11,2210
Oct 21, 202611,2210
Oct 16, 202611,2210
Oct 15, 202611,2210
Oct 14, 202611,2210
Oct 09, 202611,2210
Oct 08, 202611,2210
Oct 07, 202611,2210
Oct 06, 202611,2210
Oct 05, 202611,2210
Oct 02, 202611,221No prior observation