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Contract OI history

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Dec 18, 2026 EXPIRATION

WDAY $185.00 Put

WDAY261218P00185000

Latest saved OI236Oct 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 $185.00 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. 2391190 2026-10-09: 239 OI2026-10-12: 239 OI2026-10-14: 239 OI2026-10-15: 239 OI2026-10-16: 239 OI2026-10-21: 237 OI2026-10-23: 236 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, 2026Viewing236-1
Oct 21, 2026237-2
Oct 16, 20262390
Oct 15, 20262390
Oct 14, 20262390
Oct 12, 20262390
Oct 09, 2026239No prior observation