# Properties
### Capital
* **Initial Capital**: Sets the starting balance for backtesting.
* **Base Currency**: Defines the currency used in the backtest.
* **Order Size**: Specifies position size as a percentage of equity or a fixed amount.
* **Pyramiding**: Limits the number of simultaneous open orders.
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### **Cost Simulation**
* **Commission**: Sets trade fees as a percentage or fixed value.
* **Verify Price for Limit Orders**: Defines the number of ticks to verify order execution.
* **Slippage**: Adjusts simulated price deviations due to market conditions.
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### **Margin**
* **Margin for Long/Short Positions**: Sets margin requirements as a percentage of position size.
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### **Recalculate Options**
* **After Order is Filled**: Recalculates strategy logic when a trade is executed.
* **On Every Tick**: Updates calculations on each price tick.
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### **Fill Orders**
* **Using Bar Magnifier**: Simulates intrabar price movements for more accurate fills.
* **On Bar Close**: Executes orders at the close of each bar.
* **Using Standard OHLC**: Uses Open, High, Low, Close data for order execution.
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The **Properties Panel** establishes the backtest’s foundational parameters, ensuring every simulation reflects realistic market and brokerage conditions.
By adjusting capital, fees, and slippage, traders can create **accurate, risk-aware simulations** that closely replicate live trading performance.
