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Use Stop Losses To Keep Losses Small
Home Finance Stocks, Bond & Forex
By: Dr. Winton Felt Email Article
Word Count: 956 Digg it | Del.icio.us it | Google it | StumbleUpon it

  

Two portfolio managers recently discussed their orientation toward investing on national television. The one we'll call the "lesser light" made a self-assured proclamation that he always invests for the "long-term." He has an intended holding period for each investment of several years. His approach was reminiscent of the strategies prevalent before the new market realities became evident. Then, too, people were almost pompous about the fact that they didn't worry about the "dips." They simply bought good companies and held them (they were members of the "buy and hold" tradition). The implication, of course, is that those who didn't do likewise either did not know how to select "good" companies or that they were naively overactive in the management of their portfolios. These advisors will ride their stocks up and down because they intend to capture only the modest gain of the long-term trend, or perhaps a little more.

The other portfolio manager, the "greater light," was Elaine Garzarelli. She said that it was no longer a viable strategy to simply buy and hold any stock. Every stock has to be monitored, and is an eligible sell candidate if it "misbehaves" (begins to "break down"). The last market crash should be sufficient evidence of the shortcomings of the former strategy and of the correctness of Garzarelli's position. In the crash, we saw perfectly good companies decline in value 60% and more. We have also seen volatility soar to unprecedented levels. Under the circumstances, what justification is there for going forward with the attitude that most positions should be held for several years? Typically stocks do not go up non-stop for several years. Over that period of time most stocks will have several serious corrections in which a large portion of previous gains will evaporate.

It makes much better sense to lock in gains when you have them if a stock becomes unusually weak and switch to something else rather than to become a stock market yo-yo (the new "sell on weakness" school of thought). Also, since no one can be sure how far a stock will drop once it begins a decline, the well-considered positioning of protective stop-losses is in order. If the stop-loss is ratcheted up as the stock rises, an increasing amount of the gains will be "locked in" should the stock decline.

The author once spent more than eight hours a day for three years testing tens of thousands of computer-driven investment strategies. The goal was to develop systems that worked well regardless of the state of the market or the general direction of the stock. The systems also had to outperform a "buy and hold" strategy by a wide enough margin to justify their use. The goal was to find strategies that could outperform a "buy and hold" approach by at least 20% a year. Thousands of tests were performed on each of thousands of stocks over a wide variety of market environments covering a period of many years to get a good profile of each strategy.

The more successful of these automated systems had something in common. Each had many losing trades, sometimes far more losing trades than winning trades. This was a surprise. Many gains were expected, not many losses. Their trading patterns over many years revealed several other interesting characteristics. First of all, the systems with the best results were "Nervous Nellies." That is, they sold at the slightest provocation (usually a downward motion of the stock that satisfied certain pre-established criteria). The fact that there is so much "noise" or non-significant motion in stock behavior is what generated a large number of the small losses. Yet, some of these same systems could generate large annual gains in a severely declining market.

Where had the profits come from? There were also many small profits. Sometimes these were a few more in number than the losses, but often they were less. Either way, they tended to act as a counterbalance to the losses. Whether they slightly outnumbered the losses or were outnumbered 2 to 1 by the losses, the total amount of the small gains tended to balance the total amount of the small losses. There was also an occasional trade that captured a big gain. These larger gains were never counterbalanced by an equal or bigger loss. The trading records of these systems showed these "blips" (large gains without corresponding losses) scattered throughout their trading records. There were lots of minor gains and losses, then a blip, more small gains and losses, then another blip, and so on. In essence, these systems had zeroed in on how to make money in hostile market environments. Because they sold at the first sign of trouble, bad situations were never allowed to get worse. As long as a stock did not behave badly, it was left alone. Our own stockdisciplines.com traders use strategies based on the findings of this research in managing their own accounts.

The power of these automated systems resided in the fact that they consistently applied a set of rules that completely ignored the number of losses (which could sidetrack a human) and focused on the amount of each loss. The lesson learned was that top performance in the stock market was not achieved by trying to make big gains, but by controlling losses.

Copyright 2016, by StockDisciplines.com a.k.a. Stock Disciplines, LLC

Dr. Winton Felt has market reviews, stock alerts, and free tutorials at http://www.stockdisciplines.com Information about and illustrations of pre-surge chart patterns are at http://www.stockdisciplines.com/stock-alerts

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