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Contract OI history

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Dec 18, 2026 EXPIRATION

WFC $77.50 Put

WFC261218P00077500

Latest saved OI15,288Oct 23, 2026
Last change+128vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WFC $77.50 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. 15,2887,6440 2026-10-02: 13,843 OI2026-10-05: 13,850 OI2026-10-06: 13,776 OI2026-10-07: 13,622 OI2026-10-08: 13,622 OI2026-10-09: 13,847 OI2026-10-14: 14,764 OI2026-10-15: 14,968 OI2026-10-16: 14,932 OI2026-10-21: 15,160 OI2026-10-23: 15,288 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, 2026Viewing15,288+128
Oct 21, 202615,160+228
Oct 16, 202614,932-36
Oct 15, 202614,968+204
Oct 14, 202614,764+917
Oct 09, 202613,847+225
Oct 08, 202613,6220
Oct 07, 202613,622-154
Oct 06, 202613,776-74
Oct 05, 202613,850+7
Oct 02, 202613,843No prior observation