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Contract OI history

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Oct 23, 2026 EXPIRATION

WDC $420.00 Call

WDC261023C00420000

Latest saved OI926Oct 23, 2026
Last change+455vs 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. 9264630 2026-10-09: 457 OI2026-10-12: 471 OI2026-10-14: 473 OI2026-10-15: 453 OI2026-10-16: 424 OI2026-10-21: 471 OI2026-10-23: 926 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, 2026Viewing926+455
Oct 21, 2026471+47
Oct 16, 2026424-29
Oct 15, 2026453-20
Oct 14, 2026473+2
Oct 12, 2026471+14
Oct 09, 2026457No prior observation