OITracker Cboe delayed data

Contract OI history

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Jun 17, 2027 EXPIRATION

WDC $550.00 Call

WDC270617C00550000

Latest saved OI512Oct 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 $550.00 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. 5142570 2026-10-09: 441 OI2026-10-12: 478 OI2026-10-14: 512 OI2026-10-15: 513 OI2026-10-16: 512 OI2026-10-21: 514 OI2026-10-23: 512 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, 2026Viewing512-2
Oct 21, 2026514+2
Oct 16, 2026512-1
Oct 15, 2026513+1
Oct 14, 2026512+34
Oct 12, 2026478+37
Oct 09, 2026441No prior observation