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Contract OI history

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Oct 30, 2026 EXPIRATION

WMT $99.00 Put

WMT261030P00099000

Latest saved OI158Oct 23, 2026
Last change+20vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WMT $99.00 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. 158790 2026-10-09: 120 OI2026-10-12: 112 OI2026-10-14: 139 OI2026-10-15: 139 OI2026-10-16: 139 OI2026-10-21: 138 OI2026-10-23: 158 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

WMT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing158+20
Oct 21, 2026138-1
Oct 16, 20261390
Oct 15, 20261390
Oct 14, 2026139+27
Oct 12, 2026112-8
Oct 09, 2026120No prior observation