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Contract OI history

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Jan 19, 2029 EXPIRATION

WMT $55.00 Put

WMT290119P00055000

Latest saved OI67Oct 23, 2026
Last change-40vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WMT $55.00 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. 2021010 2026-10-09: 27 OI2026-10-12: 27 OI2026-10-14: 27 OI2026-10-15: 202 OI2026-10-16: 202 OI2026-10-21: 107 OI2026-10-23: 67 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, 2026Viewing67-40
Oct 21, 2026107-95
Oct 16, 20262020
Oct 15, 2026202+175
Oct 14, 2026270
Oct 12, 2026270
Oct 09, 202627No prior observation