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Contract OI history

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Nov 20, 2026 EXPIRATION

WMT $120.00 Put

WMT261120P00120000

Latest saved OI3,861Oct 23, 2026
Last change+122vs 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. 3,8611,9300 2026-10-09: 2,625 OI2026-10-12: 2,624 OI2026-10-14: 2,625 OI2026-10-15: 2,736 OI2026-10-16: 3,228 OI2026-10-21: 3,739 OI2026-10-23: 3,861 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, 2026Viewing3,861+122
Oct 21, 20263,739+511
Oct 16, 20263,228+492
Oct 15, 20262,736+111
Oct 14, 20262,625+1
Oct 12, 20262,624-1
Oct 09, 20262,625No prior observation