Contract OI history

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Jan 21, 2028 EXPIRATION

WMT $80.00 Put

WMT280121P00080000

Latest saved OI1,573Oct 23, 2026
Last change0vs 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. 1,5797890 2026-10-09: 1,042 OI2026-10-12: 1,041 OI2026-10-14: 1,569 OI2026-10-15: 1,579 OI2026-10-16: 1,575 OI2026-10-21: 1,573 OI2026-10-23: 1,573 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, 2026Viewing1,5730
Oct 21, 20261,573-2
Oct 16, 20261,575-4
Oct 15, 20261,579+10
Oct 14, 20261,569+528
Oct 12, 20261,041-1
Oct 09, 20261,042No prior observation