# forge.bars.Range

```python
forge.bars.Range(size: float | Param, *, unit: str = 'pips', basis: str | Param | None = None, day_boundary: str | None = None, on_closure: str | None = None) -> BarDecl
```

Range bars: a bar closes when its high to low range reaches ``size`` in ``unit``.

Since Forge API 1.