System-Forex.Info

Essentially if you have a great system that has a 65% success rate which is pretty good really however you sleep even 6 hours per day. You effectively lower your trade expectancy and what in theory provides a 65% success rate may in fact become well below 50% because during your periods of down time you may be missing the best trades that allow your system to be as successful as it is, thereby exacerbating the poor trades.

Expectancy is one of the most important attributes to any good trading system and this is why you find the more experienced guys looking to trade longer TFs all the time. They know that even if they have the world's best short term trading system, they can never be there in front of the screen to take every opportunity that presents itself which thereby reduces the success rate of their system.

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