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Contract OI history

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Dec 15, 2028 EXPIRATION

WDC $420.00 Call

WDC281215C00420000

Latest saved OI271Oct 23, 2026
Last change0vs 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. 2721360 2026-10-09: 271 OI2026-10-12: 271 OI2026-10-14: 272 OI2026-10-15: 272 OI2026-10-16: 272 OI2026-10-21: 271 OI2026-10-23: 271 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, 2026Viewing2710
Oct 21, 2026271-1
Oct 16, 20262720
Oct 15, 20262720
Oct 14, 2026272+1
Oct 12, 20262710
Oct 09, 2026271No prior observation