---
id: "T:cAlgo.API.BacktestingDataMode"
kind: "enum"
namespace: "cAlgo.API"
url: "https://help.ctrader.com/ctrader-algo/references/Plugin/Backtesting/BacktestingDataMode/"
---

> Documentation index for agents: https://help.ctrader.com/ctrader-algo/llms.txt · machine index: https://help.ctrader.com/ctrader-algo/api.json

# BacktestingDataMode (enum)

Specifies the data mode used for backtesting.

Environments: Desktop supported · CLI not supported · Cloud not supported.

- CLI: Available to plugins only, and plugins cannot run in the CLI.
- Cloud: Available to plugins only, and plugins cannot run in the cloud.

## Definition

```csharp
public enum BacktestingDataMode
```

## Examples

C#:

```csharp
var settings = new BacktestingSettings
{
    StartTimeUtc = new DateTime(2025, 1, 1),
    EndTimeUtc = new DateTime(2025, 1, 15),
    Balance = 10000,
    DataMode = BacktestingDataMode.Ticks
};
Print("Backtesting data mode: {0}", settings.DataMode);
```

Python:

```python
settings = BacktestingSettings()
settings.Balance = 10000
settings.DataMode = BacktestingDataMode.Ticks
api.Print(f"Backtesting data mode: {settings.DataMode}")
```

## Values

- `BacktestingDataMode.Ticks` — Tick data mode.
- `BacktestingDataMode.M1` — One-minute data mode.
- `BacktestingDataMode.M1Csv` — One-minute CSV data mode.
- `BacktestingDataMode.OpenPrices` — Open prices data mode.
- `BacktestingDataMode.TickCsv` — Tick data from a CSV file.