# forge.ta.delay

```python
forge.ta.delay(source: ArrayLike, n: int = 1) -> np.ndarray
```

The source ``n`` bars ago: ``value[i] = source[i - n]``.

A series can only be moved back in time. The first ``n`` bars have no value, and ``n = 0`` is a
copy of the source.

Since Forge API 1.

## Class forge.ta.Delay

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

The series moved a number of bars back.

The source n bars ago: value[i] = source[i - n]. A series can only be moved back in time; the first n bars have no value.

Since Forge API 1.