Just a friendly reminder of the value of a trading journal, whether online, offline or paper and pencil. Even if you've figured out what's going on for you right now, this practice will serve you well in the future as well. Include any variable that you think might be relevant: how you're feeling, time of day, a characterization of market behaviour or type, the type of strategy, your motivation(s) for your entry and exit, your entry and exit prices, PL on the trade, etc. See if patterns develop and then try to address them. I suspect this is even more valuable for discretional traders than systematic traders.