Based in Singapore, Teguh Pranoto Chen specializes in building a portfolio of trading systems. Choice brokers in the United States and in Australia run his portfolio of trading systems for select clients. Using advanced programming and statistical analysis, managing a portfolio of trading system is a path of least resistance to sustained profitability, but a journey rarely taken on. Rarely known to average traders, significant numbers of professionals manage their portfolio using trading systems. This book will share an introduction of mechanical trading and how to build a portfolio of trading systems. This is not the holy grail to create wealth overnight, but it is path to deliver consistent progress.