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Contract OI history

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Jan 15, 2027 EXPIRATION

WDC $420.00 Call

WDC270115C00420000

Latest saved OI1,818Oct 23, 2026
Last change-283vs 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. 2,2501,1250 2026-10-09: 1,959 OI2026-10-12: 1,965 OI2026-10-14: 1,549 OI2026-10-15: 1,685 OI2026-10-16: 2,250 OI2026-10-21: 2,101 OI2026-10-23: 1,818 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, 2026Viewing1,818-283
Oct 21, 20262,101-149
Oct 16, 20262,250+565
Oct 15, 20261,685+136
Oct 14, 20261,549-416
Oct 12, 20261,965+6
Oct 09, 20261,959No prior observation