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Contract OI history

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Nov 20, 2026 EXPIRATION

WDC $520.00 Call

WDC261120C00520000

Latest saved OI290Oct 23, 2026
Last change+45vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $520.00 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. 2901450 2026-10-09: 247 OI2026-10-12: 244 OI2026-10-14: 228 OI2026-10-15: 227 OI2026-10-16: 225 OI2026-10-21: 245 OI2026-10-23: 290 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, 2026Viewing290+45
Oct 21, 2026245+20
Oct 16, 2026225-2
Oct 15, 2026227-1
Oct 14, 2026228-16
Oct 12, 2026244-3
Oct 09, 2026247No prior observation