OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

WDC $200.00 Call

WDC280121C00200000

Latest saved OI388Oct 23, 2026
Last change-4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $200.00 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. 4102050 2026-10-09: 410 OI2026-10-12: 410 OI2026-10-14: 410 OI2026-10-15: 410 OI2026-10-16: 410 OI2026-10-21: 392 OI2026-10-23: 388 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, 2026Viewing388-4
Oct 21, 2026392-18
Oct 16, 20264100
Oct 15, 20264100
Oct 14, 20264100
Oct 12, 20264100
Oct 09, 2026410No prior observation