OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

WDAY $120.00 Put

WDAY270115P00120000

Latest saved OI4,793Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDAY $120.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4,7932,3960 2026-10-09: 4,788 OI2026-10-12: 4,788 OI2026-10-14: 4,788 OI2026-10-15: 4,788 OI2026-10-16: 4,788 OI2026-10-21: 4,793 OI2026-10-23: 4,793 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, 2026Viewing4,7930
Oct 21, 20264,793+5
Oct 16, 20264,7880
Oct 15, 20264,7880
Oct 14, 20264,7880
Oct 12, 20264,7880
Oct 09, 20264,788No prior observation