

Find historical data as far back as December 6, 2009.Watch the profit or loss of simulated positions as the “trading day” proceeds, or as you fast-forward to another date.Simulate trading just as you would in a live trading account, except with historical rather than real-time data.Watch tick-by-tick price changes for stocks, futures, forex, and options.

Run the backtesting software platform 24/7, including nights and weekends.You can even see Level II quotes (essentially the NASDAQ order book). The tool has recorded virtually each market tick, so you can backtest stock, forex, futures-you can even backtest options trading strategies-all the way back to December 2009. It lets you replay past trading days to evaluate your trading skill with historical data. Of course, reliving the past is just a fantasy, right? Well, not with thinkorswim OnDemand, a powerful stock backtesting tool available on the TD Ameritrade thinkorswim trading platform. How great would it be if you could go back in time and learn from your past mistakes? Maybe you would have taken that job offer, married your high school sweetheart, or passed on drinking that expired milk?
