Educational reference. Measured from 359 recorded 1m bars of ES (E-mini S&P 500) on Sunday, September 20, 2026.
ADX crossed above 25 5 separate times during the session, and the typical visit lasted 20 minutes. Across the whole session it sat above 25 for 31.5% of the time, between 20 and 25 for 17.8%, and below 20 for 50.7%.
| Band | Share of session | Bars | Separate visits | Median visit | Longest visit | |
|---|---|---|---|---|---|---|
| Above 25 | 31.5% | 113 | 5 | 20 min | 52 min | |
| Between 20 and 25 | 17.8% | 64 | 15 | 4 min | 14 min | |
| Below 20 | 50.7% | 182 | 10 | 15 min | 44 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 5 times, with a median stay of 20 minutes and a longest of 52. 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.