Educational reference. Measured from 103 recorded 10m bars of ES (E-mini S&P 500) on Friday, September 11, 2026.
ADX crossed above 25 1 separate time during the session, and the typical visit lasted 530 minutes. Across the whole session it sat above 25 for 51.5% of the time, between 20 and 25 for 9.7%, and below 20 for 38.8%.
| Band | Share of session | Bars | Separate visits | Median visit | Longest visit | |
|---|---|---|---|---|---|---|
| Above 25 | 51.5% | 53 | 1 | 530 min | 530 min | |
| Between 20 and 25 | 9.7% | 10 | 3 | 30 min | 50 min | |
| Below 20 | 38.8% | 40 | 2 | 200 min | 300 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 1 time, with a median stay of 530 minutes and a longest of 530. 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.