# forge.ta.cmo

```python
forge.ta.cmo(source: ArrayLike, period: int = 14) -> np.ndarray
```

Chande momentum oscillator: up moves against down moves over ``period`` bars, -100 to 100.

0 when nothing moved in the window. The first value is on bar ``period``.

Since Forge API 1.

## Class forge.ta.CMO

```python
forge.ta.CMO(**inputs: Any) -> None
```

Up moves against down moves over a period, from -100 to 100.

Up is the change when it is positive, Down is minus the change when it is negative

CMO = 100 * (sum of Up - sum of Down) / (sum of Up + sum of Down) over the last period bars

0 when nothing moved.

Since Forge API 1.