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Contract OI history

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Dec 18, 2026 EXPIRATION

WMT $120.00 Put

WMT261218P00120000

Latest saved OI3,222Oct 23, 2026
Last change+260vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WMT $120.00 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. 3,2221,6110 2026-10-09: 2,714 OI2026-10-12: 2,714 OI2026-10-14: 2,701 OI2026-10-15: 2,714 OI2026-10-16: 2,857 OI2026-10-21: 2,962 OI2026-10-23: 3,222 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, 2026Viewing3,222+260
Oct 21, 20262,962+105
Oct 16, 20262,857+143
Oct 15, 20262,714+13
Oct 14, 20262,701-13
Oct 12, 20262,7140
Oct 09, 20262,714No prior observation