OITracker Cboe delayed data

Contract OI history

Back to WDC

Oct 30, 2026 EXPIRATION

WDC $397.50 Call

WDC261030C00397500

Latest saved OI612Oct 23, 2026
Last change+537vs previous saved observation
Saved market days6Oct 12, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $397.50 call open interest history 6 saved observations from 2026-10-12 to 2026-10-23. Exact values and changes are listed in the table below. 6123060 2026-10-12: 0 OI2026-10-14: 19 OI2026-10-15: 19 OI2026-10-16: 66 OI2026-10-21: 75 OI2026-10-23: 612 OI Oct 12, 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, 2026Viewing612+537
Oct 21, 202675+9
Oct 16, 202666+47
Oct 15, 2026190
Oct 14, 202619+19
Oct 12, 20260No prior observation