# forge.ta.cum

```python
forge.ta.cum(source: ArrayLike) -> np.ndarray
```

The running total of the source from the first bar.

A missing value has no total, and the total starts again on the next bar that has a value. The
result depends on where the data starts.

Since Forge API 1.

## Class forge.ta.Cum

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

The total of every value from the first bar.

The running total of the source from the first bar. A missing value restarts the total on the next bar that has one. The value depends on where the data starts.

Since Forge API 1.