OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

WDAY $240.00 Call

WDAY270115C00240000

Latest saved OI543Oct 23, 2026
Last change+18vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDAY $240.00 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. 5432710 2026-10-09: 517 OI2026-10-12: 517 OI2026-10-14: 518 OI2026-10-15: 518 OI2026-10-16: 518 OI2026-10-21: 525 OI2026-10-23: 543 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

WDAY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing543+18
Oct 21, 2026525+7
Oct 16, 20265180
Oct 15, 20265180
Oct 14, 2026518+1
Oct 12, 20265170
Oct 09, 2026517No prior observation