OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

WDC $650.00 Call

WDC280121C00650000

Latest saved OI298Oct 23, 2026
Last change-3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $650.00 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. 3011500 2026-10-09: 300 OI2026-10-12: 300 OI2026-10-14: 300 OI2026-10-15: 301 OI2026-10-16: 301 OI2026-10-21: 301 OI2026-10-23: 298 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, 2026Viewing298-3
Oct 21, 20263010
Oct 16, 20263010
Oct 15, 2026301+1
Oct 14, 20263000
Oct 12, 20263000
Oct 09, 2026300No prior observation