Live example
Settings and defaults
| Setting | Default | Allowed range |
|---|---|---|
| Price source | Close | Open, High, Low, Close, High-low average, Typical price, OHLC average |
| Period in bars | 20 | 1 to 500 |
What it plots
Drawn on the price chart, on the same scale as the candles.
| Line | Unit | Drawn as | First value |
|---|---|---|---|
| Filtered price | Price | Line | after 29 candles |
Calculation notes
- Averages a price adjusted by its past change using lag floor((period - 1) / 2). Needs period + lag bars, reads no future prices and can overshoot; its name does not promise zero delay.
Questions
What are the default settings of Zero-Lag EMA?
The defaults are Price source: Close, Period in bars: 20. You can change every setting on the live chart.
Can I use Zero-Lag EMA for free on TraderAI?
Yes. Every indicator in the library can be added to the free live chart. The free plan keeps up to 2 indicators active at the same time; Pro lets you combine more on one chart.
Educational content. Indicators describe past prices; they do not predict future prices and are not investment advice.