Effectively, it's like drawing a line in the sand underneath the share price, saying, "If the share price falls below this line, then the stock hasn't done what I thought it was going to do, and I'll exit the position."

This allows you to protect your investing trading plan, because it cuts your losses short, and guards against an all too human tendency to want to believe you must be right.

95% of investing in an entry Forex position means you are expecting to profit from the trade. If, however, the share-investing price goes against you, you might feel the need to justify why you bought the stock by holding onto it until it turns a profit. You might have heard the idea that all big investing losses once started as small losses. Well, while the share price continues to go in the wrong direction, those losses grow in lockstep. This is why you need to have a stop loss in place - it's like having an ejector seat that tells you when to abort the mission.

One of the most common question I'm asked when traders are introduced to a stop loss is "How wide should I set my stop?"

In other words, how much room should I give the stock to move? There are no definitive

Once you've identified what time frame you're looking at trading, you need to be able to remove the normal market noise (volatility) in that particular time frame. You don't want to have to close out of an investing position just because a share price moved a little bit due to its normal trading volatility.

In fact, there are some serious drawbacks to setting tight stops.

First, you'll decrease the reliability of your system because you get stopped out more often.

Second, and probably a little bit more importantly, you dramatically increase your transaction costs, because you're trading transaction costs make up a major proportion of your business expenses.

To give yourself a fighting chance, you want to trade a system that doesn't chew through excessive brokerage fees. This is one of the major reasons I steer my clients into developing a trading system that runs over a slightly longer time frame. With the correct system in place, and your investing risk minimized, you are well positioned to maximize your trading profits.
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