# Volumes (/scripting-v2/data-types/volumes)



| Key          | Type              | Meaning                         |
| ------------ | ----------------- | ------------------------------- |
| `t`          | integer           | Unix timestamp in milliseconds. |
| `volume`     | number            | Aggregate volume.               |
| `trades`     | integer, optional | Trade count.                    |
| `close_time` | integer, optional | Exclusive period end.           |
| `price`      | number, optional  | Reference price.                |
| `p`          | list, optional    | MMT price levels.               |
| `b`          | list, optional    | MMT buy volume by level.        |
| `s`          | list, optional    | MMT sell volume by level.       |
| `pg`         | number, optional  | MMT price grouping.             |

```python
profiles = history.source("btc@volumes@binancef@mmt:timeframe=60")
latest = history.source("btc@volumes@binancef@mmt:timeframe=60", 0)
```

MMT profiles use aligned `p`, `b`, and `s` arrays. Standalone records expose aggregate volume-bar fields.

See [Volumes Source](/scripting-v2/sources/volumes).