OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

WMT $120.00 Put

WMT270115P00120000

Latest saved OI4,003Oct 23, 2026
Last change+48vs 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. 4,0032,0010 2026-10-09: 3,211 OI2026-10-12: 3,210 OI2026-10-14: 3,185 OI2026-10-15: 3,452 OI2026-10-16: 3,667 OI2026-10-21: 3,955 OI2026-10-23: 4,003 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, 2026Viewing4,003+48
Oct 21, 20263,955+288
Oct 16, 20263,667+215
Oct 15, 20263,452+267
Oct 14, 20263,185-25
Oct 12, 20263,210-1
Oct 09, 20263,211No prior observation