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Contract OI history

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Dec 18, 2026 EXPIRATION

WDAY $160.00 Put

WDAY261218P00160000

Latest saved OI165Oct 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 $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. 173860 2026-10-09: 164 OI2026-10-12: 164 OI2026-10-14: 164 OI2026-10-15: 165 OI2026-10-16: 173 OI2026-10-21: 165 OI2026-10-23: 165 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, 2026Viewing1650
Oct 21, 2026165-8
Oct 16, 2026173+8
Oct 15, 2026165+1
Oct 14, 20261640
Oct 12, 20261640
Oct 09, 2026164No prior observation