OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

WDAY $160.00 Put

WDAY270115P00160000

Latest saved OI2,096Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDAY $160.00 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. 2,0961,0480 2026-10-09: 194 OI2026-10-12: 198 OI2026-10-14: 200 OI2026-10-15: 201 OI2026-10-16: 2,095 OI2026-10-21: 2,095 OI2026-10-23: 2,096 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, 2026Viewing2,096+1
Oct 21, 20262,0950
Oct 16, 20262,095+1,894
Oct 15, 2026201+1
Oct 14, 2026200+2
Oct 12, 2026198+4
Oct 09, 2026194No prior observation