OITracker Cboe delayed data

Contract OI history

Back to WDC

Oct 30, 2026 EXPIRATION

WDC $420.00 Call

WDC261030C00420000

Latest saved OI630Oct 23, 2026
Last change+156vs 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. 6303150 2026-10-09: 341 OI2026-10-12: 335 OI2026-10-14: 332 OI2026-10-15: 329 OI2026-10-16: 337 OI2026-10-21: 474 OI2026-10-23: 630 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, 2026Viewing630+156
Oct 21, 2026474+137
Oct 16, 2026337+8
Oct 15, 2026329-3
Oct 14, 2026332-3
Oct 12, 2026335-6
Oct 09, 2026341No prior observation