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Contract OI history

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Nov 20, 2026 EXPIRATION

WMT $90.00 Put

WMT261120P00090000

Latest saved OI4,565Oct 23, 2026
Last change+121vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WMT $90.00 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. 4,5652,2820 2026-10-09: 2,295 OI2026-10-12: 2,241 OI2026-10-14: 4,057 OI2026-10-15: 3,990 OI2026-10-16: 4,490 OI2026-10-21: 4,444 OI2026-10-23: 4,565 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, 2026Viewing4,565+121
Oct 21, 20264,444-46
Oct 16, 20264,490+500
Oct 15, 20263,990-67
Oct 14, 20264,057+1,816
Oct 12, 20262,241-54
Oct 09, 20262,295No prior observation