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Contract OI history

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Jan 15, 2027 EXPIRATION

WDAY $180.00 Put

WDAY270115P00180000

Latest saved OI1,641Oct 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 $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. 1,6418200 2026-10-09: 1,637 OI2026-10-12: 1,639 OI2026-10-14: 1,639 OI2026-10-15: 1,639 OI2026-10-16: 1,640 OI2026-10-21: 1,641 OI2026-10-23: 1,641 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, 2026Viewing1,6410
Oct 21, 20261,641+1
Oct 16, 20261,640+1
Oct 15, 20261,6390
Oct 14, 20261,6390
Oct 12, 20261,639+2
Oct 09, 20261,637No prior observation