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Contract OI history

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Nov 13, 2026 EXPIRATION

WDC $420.00 Call

WDC261113C00420000

Latest saved OI134Oct 23, 2026
Last change-5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $420.00 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. 139690 2026-10-09: 36 OI2026-10-12: 36 OI2026-10-14: 60 OI2026-10-15: 131 OI2026-10-16: 128 OI2026-10-21: 139 OI2026-10-23: 134 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, 2026Viewing134-5
Oct 21, 2026139+11
Oct 16, 2026128-3
Oct 15, 2026131+71
Oct 14, 202660+24
Oct 12, 2026360
Oct 09, 202636No prior observation