# forge.ta.kcw

```python
forge.ta.kcw(high: ArrayLike, low: ArrayLike, close: ArrayLike, ema_period: int = 20, atr_period: int = 10, atr_factor: float = 2.0) -> np.ndarray
```

Keltner channel width: ``(upper - lower) / middle``. No value where the middle is 0.

Since Forge API 1.