OITracker Cboe delayed data

Contract OI history

Back to WMT

Oct 30, 2026 EXPIRATION

WMT $120.00 Put

WMT261030P00120000

Latest saved OI1,505Oct 23, 2026
Last change+1,096vs 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. 1,5057520 2026-10-09: 0 OI2026-10-12: 3 OI2026-10-14: 3 OI2026-10-15: 13 OI2026-10-16: 112 OI2026-10-21: 409 OI2026-10-23: 1,505 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, 2026Viewing1,505+1,096
Oct 21, 2026409+297
Oct 16, 2026112+99
Oct 15, 202613+10
Oct 14, 202630
Oct 12, 20263+3
Oct 09, 20260No prior observation