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## HistoricalTicksLast

| Field | Type | Description |
| ----- | ---- | ----------- |
| `reqId` | `int32` | Unique request identifier used for tracking across EWrapper |
| `historicalTicksLast` | `HistoricalTickLast` | A list of HistoricalTickLast objects |
| `isDone` | `bool` | Flag the end of historical data. |