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Contract OI history

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Dec 18, 2026 EXPIRATION

WMT $115.00 Put

WMT261218P00115000

Latest saved OI7,690Oct 23, 2026
Last change+1,088vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WMT $115.00 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. 7,6903,8450 2026-10-09: 3,232 OI2026-10-12: 3,230 OI2026-10-14: 3,255 OI2026-10-15: 3,290 OI2026-10-16: 3,608 OI2026-10-21: 6,602 OI2026-10-23: 7,690 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, 2026Viewing7,690+1,088
Oct 21, 20266,602+2,994
Oct 16, 20263,608+318
Oct 15, 20263,290+35
Oct 14, 20263,255+25
Oct 12, 20263,230-2
Oct 09, 20263,232No prior observation