OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

WMT $130.00 Put

WMT280121P00130000

Latest saved OI1,245Oct 23, 2026
Last change+5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WMT $130.00 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. 1,2456220 2026-10-09: 1,223 OI2026-10-12: 1,223 OI2026-10-14: 1,218 OI2026-10-15: 1,213 OI2026-10-16: 1,213 OI2026-10-21: 1,240 OI2026-10-23: 1,245 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, 2026Viewing1,245+5
Oct 21, 20261,240+27
Oct 16, 20261,2130
Oct 15, 20261,213-5
Oct 14, 20261,218-5
Oct 12, 20261,2230
Oct 09, 20261,223No prior observation