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Contract OI history

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Dec 18, 2026 EXPIRATION

WMT $97.50 Put

WMT261218P00097500

Latest saved OI3,771Oct 23, 2026
Last change-213vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WMT $97.50 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. 4,0072,0030 2026-10-09: 4,005 OI2026-10-12: 4,007 OI2026-10-14: 4,000 OI2026-10-15: 4,007 OI2026-10-16: 3,990 OI2026-10-21: 3,984 OI2026-10-23: 3,771 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, 2026Viewing3,771-213
Oct 21, 20263,984-6
Oct 16, 20263,990-17
Oct 15, 20264,007+7
Oct 14, 20264,000-7
Oct 12, 20264,007+2
Oct 09, 20264,005No prior observation