Greed and fear are the two emotions that dominate the market.  The trailing stop that is show in the figure was designed to help you control your own fear and greed, while also understanding that both of these emotions are not equally powerful.  Have you ever noticed that markets seems to go down much faster than they go up?  The reason for this is simple, fear is a more powerful emotion than greed.  The "Trailer Indicator" offers you the ability to set a volatility based trailing stop to match your own appetite for risk on both the long and short side. 

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