OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

WDC $340.00 Call

WDC261120C00340000

Latest saved OI3,412Oct 23, 2026
Last change-1,245vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $340.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 7,8443,9220 2026-10-09: 23 OI2026-10-12: 37 OI2026-10-14: 38 OI2026-10-15: 11 OI2026-10-16: 7,844 OI2026-10-21: 4,657 OI2026-10-23: 3,412 OI Oct 09, 2026Oct 23, 2026

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

WDC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,412-1,245
Oct 21, 20264,657-3,187
Oct 16, 20267,844+7,833
Oct 15, 202611-27
Oct 14, 202638+1
Oct 12, 202637+14
Oct 09, 202623No prior observation