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Contract OI history

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Jan 15, 2027 EXPIRATION

WDC $440.00 Call

WDC270115C00440000

Latest saved OI1,906Oct 23, 2026
Last change+73vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $440.00 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. 2,4971,2480 2026-10-09: 1,402 OI2026-10-12: 1,305 OI2026-10-14: 1,345 OI2026-10-15: 2,497 OI2026-10-16: 1,837 OI2026-10-21: 1,833 OI2026-10-23: 1,906 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, 2026Viewing1,906+73
Oct 21, 20261,833-4
Oct 16, 20261,837-660
Oct 15, 20262,497+1,152
Oct 14, 20261,345+40
Oct 12, 20261,305-97
Oct 09, 20261,402No prior observation