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Contract OI history

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Mar 19, 2027 EXPIRATION

WMT $80.00 Put

WMT270319P00080000

Latest saved OI763Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WMT $80.00 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. 7883940 2026-10-09: 782 OI2026-10-12: 786 OI2026-10-14: 788 OI2026-10-15: 758 OI2026-10-16: 758 OI2026-10-21: 764 OI2026-10-23: 763 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, 2026Viewing763-1
Oct 21, 2026764+6
Oct 16, 20267580
Oct 15, 2026758-30
Oct 14, 2026788+2
Oct 12, 2026786+4
Oct 09, 2026782No prior observation