---
id: "P:cAlgo.API.Internals.Symbol.LotSize"
kind: "property"
type: "T:cAlgo.API.Internals.Symbol"
url: "https://help.ctrader.com/ctrader-algo/references/MarketData/Symbols/Symbol/LotSize/"
---

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

# Symbol.LotSize

Member of [Symbol](https://help.ctrader.com/ctrader-algo/references/MarketData/Symbols/Symbol/index.md).

## LotSize

Gets the size of 1 lot in units of the base currency.

Environments: Desktop supported · CLI supported · Cloud supported.

C#:

```csharp
long LotSize {get;}
```

Python:

```python
api.Symbol.LotSize: int
```

### Returns

`long` — 

### Examples

C#:

```csharp
Print("1 lot of {0} is {1} units", SymbolName, Symbol.LotSize);
```

Python:

```python
api.Print(f"1 lot of {api.SymbolName} is {api.Symbol.LotSize} units")
```