Top Trading Mistakes, Part III | DailyFX: "In When is the Best Time of Day to Trade Forex, David took this simple RSI strategy to the next step: He filtered it so that it would only open trades during the Asian-trading session. The rationale behind this is sound: The Asian-trading session will often have a tendency to range (at least more so than European and American sessions), and RSI is a mean-reversion, range-trading type of indicator."
The difference in the strategy is shocking, and once again – the only filter or differentiation is that the strategy is now only allowed to open positions during the Asian trading session.
'via Blog this'
