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Contract OI history

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Nov 20, 2026 EXPIRATION

WMT $115.00 Put

WMT261120P00115000

Latest saved OI6,539Oct 23, 2026
Last change+1,996vs 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. 6,5393,2690 2026-10-09: 3,017 OI2026-10-12: 3,313 OI2026-10-14: 3,473 OI2026-10-15: 3,653 OI2026-10-16: 3,854 OI2026-10-21: 4,543 OI2026-10-23: 6,539 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, 2026Viewing6,539+1,996
Oct 21, 20264,543+689
Oct 16, 20263,854+201
Oct 15, 20263,653+180
Oct 14, 20263,473+160
Oct 12, 20263,313+296
Oct 09, 20263,017No prior observation