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Contract OI history

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Dec 15, 2028 EXPIRATION

WMT $85.00 Put

WMT281215P00085000

Latest saved OI3,129Oct 23, 2026
Last change-8vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WMT $85.00 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. 3,1431,5710 2026-10-09: 3,126 OI2026-10-12: 3,126 OI2026-10-14: 3,143 OI2026-10-15: 3,137 OI2026-10-16: 3,138 OI2026-10-21: 3,137 OI2026-10-23: 3,129 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, 2026Viewing3,129-8
Oct 21, 20263,137-1
Oct 16, 20263,138+1
Oct 15, 20263,137-6
Oct 14, 20263,143+17
Oct 12, 20263,1260
Oct 09, 20263,126No prior observation