Educational reference. Measured from 68 recorded 15m bars of ES (E mini S&P 500) on Friday, October 23, 2026.
ADX crossed above 25 1 separate time during the session, and the typical visit lasted 525 minutes. Across the whole session it sat above 25 for 51.5% of the time, between 20 and 25 for 5.9%, and below 20 for 42.6%.
| Band | Share of session | Bars | Separate visits | Median visit | Longest visit | |
|---|---|---|---|---|---|---|
| Above 25 | 51.5% | 35 | 1 | 525 min | 525 min | |
| Between 20 and 25 | 5.9% | 4 | 1 | 60 min | 60 min | |
| Below 20 | 42.6% | 29 | 1 | 435 min | 435 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 525 minutes and a longest of 525. 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.
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