OITracker Cboe delayed data

Contract OI history

Back to WDC

Dec 18, 2026 EXPIRATION

WDC $520.00 Call

WDC261218C00520000

Latest saved OI204Oct 23, 2026
Last change+5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDC $520.00 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. 2151070 2026-10-09: 204 OI2026-10-12: 215 OI2026-10-14: 194 OI2026-10-15: 201 OI2026-10-16: 199 OI2026-10-21: 199 OI2026-10-23: 204 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, 2026Viewing204+5
Oct 21, 20261990
Oct 16, 2026199-2
Oct 15, 2026201+7
Oct 14, 2026194-21
Oct 12, 2026215+11
Oct 09, 2026204No prior observation