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Contract OI history

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Dec 18, 2026 EXPIRATION

WDAY $175.00 Put

WDAY261218P00175000

Latest saved OI575Oct 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 $175.00 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. 5752870 2026-10-09: 538 OI2026-10-12: 550 OI2026-10-14: 563 OI2026-10-15: 562 OI2026-10-16: 562 OI2026-10-21: 575 OI2026-10-23: 575 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, 2026Viewing5750
Oct 21, 2026575+13
Oct 16, 20265620
Oct 15, 2026562-1
Oct 14, 2026563+13
Oct 12, 2026550+12
Oct 09, 2026538No prior observation