1. When a backtest is set to buy at the open, is it the open of the trigger day or the next day's open price? What about sells at the open? 2. I need an accurate but reasonable EOD data service. What do you recommend for US equities. 3. Is there any way to add a column in the backtest results to show different things (i.e., MACD at the time of trigger, RSI at the time of trigger, or other custom calculations)? 4. How realistic is amibroker backtesting? I plan only to trade on an EOD trigger and I am getting great results. So it looks a bit unbelieveable. 5. What other things do I need to worry about to make sure that backtesting is realistic? Thanks.