Stock Screener - US Stocks, Forex and ETFs Please enable JavaScript to view this page content properly  
     
Strategy Builder My Strategies  
Backtesting lets you examine your stock trading strategy on historical data to determine how well it would have worked in the past. If you have developed a strategy with which you are ready to go live, the Backtesting feature will help you to understand if your methods are viable and potentially successful.
Strategy Name **
Type of Positions **
 In / Out 
Criteria for Opening a Position **

 
 
 
Prioritize Stocks by [?]
 
Testing Model
 
Criteria for Closing a Position

 
 
 
 Position Maintenance
Unit
Stop Loss,
Trailing Stop Loss,
Take Profit,
Close Position in days
 Backtest Parameters 
Initial Capital, $
Capital at Risk, per Trade, $
Portfolio Max Size [?]
Backtesting Time Period
       -  

 ** - mandatory fields
Education How does backtesting work?
When you create a stock screening strategy that contains all necessary criteria and the selected historical year for comparison, backtesting applies this information and simulates trades for every matched stock based on each day of the selected year. Any matching stocks will be put into your virtual portfolio and any that are not will be ignored. Even if some stocks, however, do match the criteria, they will still be ignored if there are no vacant positions in the portfolio. Traders typically do not add a large number of stocks to their portfolio, because its purpose is to control risks (20-30 stocks generally suffice). Portfolio size can be specified along with other parameters during strategy creation.

Also, if some stocks in the virtual portfolio conform to exit criteria, stop loss, or take profit condition, the corresponding position will be closed. Users can specify the criteria for closing positions. In this case, stocks that were purchased earlier are sold and will be reflected in simulated trades. The position is then closed which allows for vacancies in the portfolio. The trading simulator takes several seconds to perform the analysis. Testing results and a list of executed virtual trades are displayed on the backtesting report page.



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