Educational reference. Measured from 1440 recorded 1m bars of BTCUSD (Bitcoin) on Friday, September 18, 2026.
ADX crossed above 25 21 separate times during the session, and the typical visit lasted 19 minutes. Across the whole session it sat above 25 for 40.5% of the time, between 20 and 25 for 18.1%, and below 20 for 41.5%.
| Band | Share of session | Bars | Separate visits | Median visit | Longest visit | |
|---|---|---|---|---|---|---|
| Above 25 | 40.5% | 583 | 21 | 19 min | 83 min | |
| Between 20 and 25 | 18.1% | 260 | 43 | 5 min | 18 min | |
| Below 20 | 41.5% | 597 | 23 | 12 min | 134 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 21 times, with a median stay of 19 minutes and a longest of 83. 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.