OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

WDAY $225.00 Call

WDAY261023C00225000

Latest saved OI72Oct 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
WDAY $225.00 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. 76380 2026-10-09: 42 OI2026-10-12: 42 OI2026-10-14: 47 OI2026-10-15: 47 OI2026-10-16: 47 OI2026-10-21: 76 OI2026-10-23: 72 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, 2026Viewing72-4
Oct 21, 202676+29
Oct 16, 2026470
Oct 15, 2026470
Oct 14, 202647+5
Oct 12, 2026420
Oct 09, 202642No prior observation