OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

WMT $120.00 Put

WMT261023P00120000

Latest saved OI2,172Oct 23, 2026
Last change+1,257vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WMT $120.00 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. 2,1721,0860 2026-10-09: 0 OI2026-10-12: 2 OI2026-10-14: 5 OI2026-10-15: 6 OI2026-10-16: 841 OI2026-10-21: 915 OI2026-10-23: 2,172 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, 2026Viewing2,172+1,257
Oct 21, 2026915+74
Oct 16, 2026841+835
Oct 15, 20266+1
Oct 14, 20265+3
Oct 12, 20262+2
Oct 09, 20260No prior observation