OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

WDC $520.00 Call

WDC270115C00520000

Latest saved OI5,515Oct 23, 2026
Last change-2vs 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. 5,5192,7590 2026-10-09: 594 OI2026-10-12: 5,424 OI2026-10-14: 5,433 OI2026-10-15: 5,518 OI2026-10-16: 5,519 OI2026-10-21: 5,517 OI2026-10-23: 5,515 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, 2026Viewing5,515-2
Oct 21, 20265,517-2
Oct 16, 20265,519+1
Oct 15, 20265,518+85
Oct 14, 20265,433+9
Oct 12, 20265,424+4,830
Oct 09, 2026594No prior observation