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Contract OI history

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Nov 20, 2026 EXPIRATION

WDC $400.00 Call

WDC261120C00400000

Latest saved OI989Oct 23, 2026
Last change+124vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $400.00 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. 9894940 2026-10-09: 767 OI2026-10-12: 809 OI2026-10-14: 888 OI2026-10-15: 917 OI2026-10-16: 703 OI2026-10-21: 865 OI2026-10-23: 989 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, 2026Viewing989+124
Oct 21, 2026865+162
Oct 16, 2026703-214
Oct 15, 2026917+29
Oct 14, 2026888+79
Oct 12, 2026809+42
Oct 09, 2026767No prior observation