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Contract OI history

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Nov 20, 2026 EXPIRATION

WDAY $180.00 Put

WDAY261120P00180000

Latest saved OI338Oct 23, 2026
Last change+39vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WDAY $180.00 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. 3381690 2026-10-09: 102 OI2026-10-12: 102 OI2026-10-14: 104 OI2026-10-15: 130 OI2026-10-16: 174 OI2026-10-21: 299 OI2026-10-23: 338 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, 2026Viewing338+39
Oct 21, 2026299+125
Oct 16, 2026174+44
Oct 15, 2026130+26
Oct 14, 2026104+2
Oct 12, 20261020
Oct 09, 2026102No prior observation