| Name | Type | Description | Notes |
|---|---|---|---|
| ask | float | The ask price. | |
| bid | float | The bid price. | |
| exchange | int | The exchange ID. See <a href="https://polygon.io/docs/forex/get_v3_reference_exchanges\" alt="Exchanges">Exchanges</a> for Polygon.io's mapping of exchange IDs. | |
| timestamp | int | The Unix Msec timestamp for the start of the aggregate window. |