# Accelerator oscillator

`ac`

How fast the Awesome oscillator is speeding up or slowing down.

## Inputs

| Name | Type | Default | Range |
| --- | --- | --- | --- |
| fast_period | int | 5 | 1 to 5000 |
| slow_period | int | 34 | 1 to 5000 |
| signal_period | int | 5 | 1 to 5000 |

## Outputs

| Name | Kind |
| --- | --- |
| ac | value |

Warm-up: slow_period + signal_period - 2 bars (37 at the defaults).

Repaints: No.

## Formula

AC = AO - SMA(AO, signal_period)