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Contract OI history

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Dec 17, 2027 EXPIRATION

WFC $77.50 Put

WFC271217P00077500

Latest saved OI396Oct 23, 2026
Last change+1vs 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. 3961980 2026-10-02: 331 OI2026-10-05: 331 OI2026-10-06: 343 OI2026-10-07: 343 OI2026-10-08: 343 OI2026-10-09: 349 OI2026-10-14: 349 OI2026-10-15: 349 OI2026-10-16: 374 OI2026-10-21: 395 OI2026-10-23: 396 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, 2026Viewing396+1
Oct 21, 2026395+21
Oct 16, 2026374+25
Oct 15, 20263490
Oct 14, 20263490
Oct 09, 2026349+6
Oct 08, 20263430
Oct 07, 20263430
Oct 06, 2026343+12
Oct 05, 20263310
Oct 02, 2026331No prior observation