OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

WMT $170.00 Call

WMT280121C00170000

Latest saved OI1,871Oct 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 $170.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,8879430 2026-10-09: 1,887 OI2026-10-12: 1,883 OI2026-10-14: 1,883 OI2026-10-15: 1,882 OI2026-10-16: 1,872 OI2026-10-21: 1,871 OI2026-10-23: 1,871 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, 2026Viewing1,8710
Oct 21, 20261,871-1
Oct 16, 20261,872-10
Oct 15, 20261,882-1
Oct 14, 20261,8830
Oct 12, 20261,883-4
Oct 09, 20261,887No prior observation