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Contract OI history

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Sep 17, 2027 EXPIRATION

WMT $80.00 Put

WMT270917P00080000

Latest saved OI1,739Oct 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. 1,7408700 2026-10-09: 1,379 OI2026-10-12: 1,270 OI2026-10-14: 1,244 OI2026-10-15: 1,244 OI2026-10-16: 1,243 OI2026-10-21: 1,740 OI2026-10-23: 1,739 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, 2026Viewing1,739-1
Oct 21, 20261,740+497
Oct 16, 20261,243-1
Oct 15, 20261,2440
Oct 14, 20261,244-26
Oct 12, 20261,270-109
Oct 09, 20261,379No prior observation