To get the most out of your expert advisor, you'll need to optimize and backtest your strategy using MetaTrader's Strategy Tester. While forward testing on a demo account is essential, backtesting allows you to simulate trading over a long period of time in just minutes. And with the ulnar feature, you can find ulnar which settings performed best over a selected historical chart period. There is considerable debate over the accuracy of MetaTrader's strategy tester. At best, backtesting offers only a close approximation of how trades would be executed in real-time. But it's the only tool available to rapidly test any strategy over a wide range of trading situations, and one that you should learn how to use well. Open the Strategy Tester in MetaTrader by clicking the appropriate button on the toolbar or by selecting Strategy Tester from the View menu. Before backtesting or optimizing, it's important to make sure that metatrader history data is complete and accurate, especially if you're using 'Every tick' as your testing model. From the History Center, you can download or import data to use in backtesting. Your broker will automatically provide some recent data, but it may not be enough for a longer backtest. In addition, the free downloadable data from MetaTrader accessible via the Download button is not always complete, and can contain large gaps. You can download free M1 data from http: First, select the M1 period for the symbol from the list on metatrader left-hand side. Click the Import button, and then click Browse in the Import dialog to select the M1 data file you just downloaded. Press OK to import the data -- it may take several minutes. Testing now have several years of M1 data for that symbol. Open a chart window and set it to M1. For M15, use 15; for H1, use 60; for H4, ulnarand so on. Once you have sufficient history data, you can begin testing. The video metatrader demonstrates the process of importing and converting the M1 data:. The optimization feature of Testing 4 allows you to test thousands of combinations of expert advisor settings to find the most profitable settings for the selected chart, period and date range. Indicator-based strategies will testing to be optimized for maximum profitability. Testing, almost all EAs will benefit from optimization - even those that trade on tick data, provided you have complete M1 history data see above. While the optimizer will return the most profitable settings for the selected date range, this is no guarantee that these settings will be profitable in the future. To optimize your expert advisor, first select it from the Expert Advisor drop-down box. Select the currency pair from the Symbol box and chart period from the Period box. For Modelyou'll generally want to select "Open Prices Only," unless you are optimizing an EA that runs on tick data. In that case, select "Every Tick. Lastly, make sure that Optimization is checked. Click the Expert Properties button to open your expert advisor settings. Under the Inputs tab is where you'll enter the range ulnar values to optimize for. The Start column will be the lowest value for a given setting, while the Stop column will be the highest. The Step column is the amount that the optimizer will "step through" from the Start to the Stop setting. In the image above we are optimizing SL, TS and TP settings for an expert advisor. The Start value is 20, the Step is 20, and the Stop is The optimizer will test every combination of values from 20, 40, 60 and so on up to Use a start, step and stop value that is appropriate for the setting you are optimizing. Even values 5, 10, etc. The checkbox to the far left must be selected for that setting to be optimized. Any settings that aren't checked will use the number in the Value column when optimizing. Under the Testing tab, you can adjust the Initial Deposit to something a bit more realistic. Leave the other settings at their defaults. When you're ready to testing optimizing, hit the Start button at the bottom right of the Strategy Tester window. Depending on the period, the date range, the testing model and the number of settings to be optimized it can take anywhere from a few minutes to several hours. If it's taking too long, consider shortening the date range, optimizing fewer testing, or using a larger step value. Once the optimization is finished, open the Optimization Results tab and double-click the Profit column to sort the results. Double-click any of the results to load it into the tester. Hit the Start button again to backtest with the selected settings. By now, it should be obvious how the backtester works. Select your Expert AdvisorSymbolPeriod and Modelcheck the Use Date box and select a date range. Select Visual Mode only if you want a ulnar walkthrough of the backtesting. Hit the Expert Properties button and enter your settings in the Value column under the Inputs tab. You can also load or save settings using the buttons in the bottom right. The Start, Step and Stop columns are ignored, as are the checkboxes. Close the Expert Properties dialog and press Start to begin testing. It will take anywhere from a ulnar seconds to several minutes depending on your settings. Once testing has finished, open the Report tab on the bottom to see your results. The Results tab at the bottom of the strategy tester will give you the metatrader on opened and closed orders, including trailing stop, take profit and stop metatrader. Click the Open Chart metatrader to get a visual representation of your results. When testing your new EA, examine these closely to ensure that your strategy is working as intended. While backtesting and optimization can give you a good idea of how your EA will trade, you will need to do more extensive testing to ensure that your trading system is truly profitable. The best way to achieve this is by a process called walk-forward analysis. Walk forward analysis simply consists of multiple cycles of optimization and backtesting, and analysing the results of testing over a long period. Our article on walk forward analysis explains the process in more detail. Our Walk Forward Analyzer for MetaTrader allows you to perform WFA ulnar and easily. Tutorial Videos Strategy Tester Tutorial Download Purchase Support. Testing 4 Strategy Tester Tutorial To get the most out of your expert advisor, you'll need to optimize and backtest your strategy using MetaTrader's Strategy Tester. History Center Before backtesting or optimizing, it's important to make sure that your history data is complete and accurate, especially if you're using 'Every tick' as your testing model. Open the History Center from the Tools menu or by pressing F2 on your keyboard. Double click the chart pair in the left column that you plan to backtest for. A list of metatrader periods will appear below. Start by double clicking on 1 Minute M1 to load the history data for that period. The backtester uses M1 data to generate ticks, so it is important that your M1 data is complete.
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