1.) Risk/Trade ratio; A good trading system must enable you risk a (very) small percentage of trading funds in other to make a good profit; (This could defer depending on how much patience you could exercise on a trade). For a good trading system risk/trade ratio on the average is always 0.5/3.
2.) A get ready signal, a good/ safe point of entry and a good/safe point of exit: This 3-qualities are vital in a trading system. A good trading system must have at least more than 2-3 different methods of alerting you to; Get ready to open a position, show you the an appropriate point (Price), in which it’s safe to open a trade also, a good point to exit.
3.) Simplicity/Complexity; A good trading system must be simple to understand and should not look complex at all.
4.) A good trading system would rather assist you to identify a price trend easily.
5.) A focused trader would always have a daily target, i.e. the amount of Pips he intends to get on a daily basis from the forex market; depending on how advanced he is he could assign a daily target to each currency pair that he trades. If your daily target is a reasonable one, a good
Trading system would help you achieve this easily.