OITracker Cboe delayed data

Contract OI history

Back to WMT

Sep 17, 2027 EXPIRATION

WMT $100.00 Put

WMT270917P00100000

Latest saved OI2,039Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
WMT $100.00 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. 2,0391,0190 2026-10-09: 1,607 OI2026-10-12: 1,617 OI2026-10-14: 1,644 OI2026-10-15: 1,675 OI2026-10-16: 2,000 OI2026-10-21: 2,036 OI2026-10-23: 2,039 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, 2026Viewing2,039+3
Oct 21, 20262,036+36
Oct 16, 20262,000+325
Oct 15, 20261,675+31
Oct 14, 20261,644+27
Oct 12, 20261,617+10
Oct 09, 20261,607No prior observation