OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

WMT $90.00 Put

WMT280121P00090000

Latest saved OI4,224Oct 23, 2026
Last change-24vs 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. 4,2482,1240 2026-10-09: 2,548 OI2026-10-12: 2,552 OI2026-10-14: 2,550 OI2026-10-15: 2,530 OI2026-10-16: 3,625 OI2026-10-21: 4,248 OI2026-10-23: 4,224 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, 2026Viewing4,224-24
Oct 21, 20264,248+623
Oct 16, 20263,625+1,095
Oct 15, 20262,530-20
Oct 14, 20262,550-2
Oct 12, 20262,552+4
Oct 09, 20262,548No prior observation