Last year in the US, as much as 30% of all Forex exchanges were handled by automatic algorithmic programs. First of all, when handling large amounts of capital, I think it's important to diversify as much as possible, both for risk exposure and for keeping your market impact reduced.
Order placing programs have been around since the 1970's, but technology in the last three decades has taken it far beyond the original DOT (designated order turnaround) that just routed market orders to their proper trading posts. There are several reasons for this. When you're throwing around a lot of money, other investors may take notice and try to position themselves to take advantage - and ultimately swing prices against you. But when trying to manage several accounts at once, one. That's why I'm excited to hear about a new way to have my portfolio grow without my having to do much of anything. Automated trading is quickly becoming the most popular way to trade.
Forex Auto Trading System - How to Trade in Your Sleep I find it's a lot of work keeping my eyes peeled around the clock, constantly watching my accounts for prices to hit the levels I need.