back testing allows to take wise decisions before paper trading. this way a trader can either figure out a gap in the strategy or simply bin it if not statistically possible

Hi there... I like someone discussing probability as this is no doubt a game of probabilities. For instance, a good poker player will always calculate probability of the worst case scenario before taking a decision. Similarly, it is good for a ...

have you tried NT7? you can code this using C# if you know how to code. if not, there is a forum and/or support staff is helpful if unable to figure out yourself

It all depends on what risk you are willing to take. For instance a 2ATR may get you stopped out quicker than 4ATR which bears bigger risk if it were to hit. Have you back tested your strategy?