Studies · Volatility
Choppiness Index
choppinessIndex · Dreiss' Choppiness Index — trending against ranging, 0..100
Drawn in its own panelReads high, low, closeGuide lines at 38.2, 61.8
Hover the chart to read values · practice data: a seeded random walk with no overnight gaps
What it measures
Compares the total distance price travelled (the sum of true ranges) with the ground it actually covered (the window’s high-to-low range), on a 0 to 100 scale. A market that zig-zagged in a tight box reads high; one that went in a straight line reads low.
How traders use it
- Above 61.8: choppy and sideways, so range tactics fit better.
- Below 38.2: trending, so trend-following tactics fit better.
- A long stretch of high readings is often followed by a breakout. It does not say which direction.
Parameters
| Name | Value | Default | Allowed | What it does |
|---|---|---|---|---|
| period | 14 | ≥ 2 usual 5–30 | Window length, in bars. |