What Is A Trailing Stop Loss? A trailing stop loss is a useful tool for those doing momentum based stock trading. It may be easiest to explain with an example: On Monday John purchases 100 shares of stock at 100 per share (that’s 10,000.) He then immediately places a 10% “trailing stop loss” sell order on those 100 shares of stock. From the point of purchase 10% is of course … [Read more...]