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Contract OI history

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Oct 23, 2026 EXPIRATION

WDC $400.00 Call

WDC261023C00400000

Latest saved OI7,029Oct 23, 2026
Last change+5,477vs 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. 7,0293,5140 2026-10-09: 233 OI2026-10-12: 271 OI2026-10-14: 480 OI2026-10-15: 555 OI2026-10-16: 728 OI2026-10-21: 1,552 OI2026-10-23: 7,029 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, 2026Viewing7,029+5,477
Oct 21, 20261,552+824
Oct 16, 2026728+173
Oct 15, 2026555+75
Oct 14, 2026480+209
Oct 12, 2026271+38
Oct 09, 2026233No prior observation