Educational reference. Measured from 92 recorded 15m bars of MES (Micro E-mini S&P 500) on Monday, September 14, 2026.
ADX crossed above 25 2 separate times during the session, and the typical visit lasted 420 minutes. Across the whole session it sat above 25 for 60.9% of the time, between 20 and 25 for 14.1%, and below 20 for 25.0%.
| Band | Share of session | Bars | Separate visits | Median visit | Longest visit | |
|---|---|---|---|---|---|---|
| Above 25 | 60.9% | 56 | 2 | 420 min | 675 min | |
| Between 20 and 25 | 14.1% | 13 | 3 | 75 min | 105 min | |
| Below 20 | 25.0% | 23 | 1 | 345 min | 345 min |
ADX measures trend STRENGTH and says nothing about direction — 30 is a strong move that may be up or down. Below 20 the market is ranging, and trend-following rules tend to be chopped up there.
Here the reading entered a trending reading 2 times, with a median stay of 420 minutes and a longest of 675. ADX is the filter most strategies gate on, so how long it actually held above the threshold decides how many of a day's signals would have been allowed through at all.