I get the same results in overnight trading patterns... Low volatility favors bullish ones. (alvarezquanttrading.com)
Overnight trading means the trading at late hours of the day between 9 pm and 8 am of the local time. (forex21.com)
Overnight trading allows participation of international traders and all the traders who understand the risk of the events that might occur during the opening of the market on the next day. (forex21.com)