Backtesting with commissions

[gangsta1]

How do you account for commission when backtesting?

[Ubzen]

Subtract it from the total volume of lots placed. Example: if the broker charges you $1 for every 1.0_Lots. When you complete a test and the total_lots for all trades in history = 100. Then the broker charged you $100. This is just an example, different brokers have different commission calculation models.

• Strategy tester does_not simulate commissions during back testing.

If broker have fractional_pip spreads + commission setup, then you can try_to figure out your costs using a combination of Spread_Modifiers and the Method I provided Above to get an estimate of your costs.