Moving Average - The Old Standby of Technical Analysis is Not Dead Yet

I have designed over a dozen analytical stock marketsame. The difficult part is interpreting what the
software systems for other customers. Theseaverages tell you about the stock's performance.
individuals generally come from a strong tradingEssentially the question is always: Does a short term
background and most often were senior analysts oraverage cross over a long term line signal a new
advisors at a major financial firm. These people havebreak out for the stock or will the short term trend
often spent their lifetime studying the markets asfall back in line with the longer term trend? It's not
well as analytical systems and theories concerningfool proof, you still have to make your own
market trends. In almost all cases the systems theseassessments, but the indicator can help you.
individuals want to build is based on the movingTraditionally most analysis of short term versus long
average. Time and again I have seen people testterm averages considers crosses, where the short
theory after theory only to return to using movingterm average line crosses over the long term line to
averages as their primary analytical tool.most often indicate a new future trend of a stock. In
The moving average is not as glamorous as many ofother words, meaning that the longer term average
the new indicators and specialized indices thatwill follow the direction of the shorter term moving
mathematicians around the globe are clamoring toaverage. In reality however this is not always the
create however the moving average you can becase. Often short term averages will cross the long
sure is still one of the most important indicators youterm average only to fall back into line with the long
can use. After all, isn't past performance the bestterm trend. Only you can determine which average
indicator of future success?indicates the true direction the stock price will take.
Before we delve too far into an argument supportingAt this point, often supporting information such as
the use of the moving average a bit of discussionnews or quarterly financial releases are used to assist
regarding a description of how the indicator works isin determining if the short term moving average
necessary. A moving average is simply that, antrend is merely a market driven change or if it
average of the price of a stock over a set period ofreflects a basis for the increased value of the
time. The benefit of using an average of the pricescompany.
rather than the actual prices is the smoothing factorThere are some analysts that not only focus on
the average calculation incorporates into the result.short term versus long term crosses of the moving
By averaging the prices the impression of unusualaverage but that also take the "steepness" of the
price spikes or sudden drops are diminished and whatcross into consideration. Steep or sharp dramatic
emerges is a more stable or less volatile trend of acrosses in this case are often seen as being strong
stock price's history.market direction indicators signaling a future change in
The smoothing benefit of the average has more ofthe price trend. If you test this with a real chart at
an impact over longer periods of time as should bestockrageous and select the short term 20 over the
expected. The more data points that are averagedlong term 200 average which is the traditional
then the greater the weight of the most commonstandard for short versus long term average cross
price trends. So longer period averages a popular oneanalysis in a five year chart you will note the impact
being 200 days for instance tend to result in muchof steep crosses in almost any stock.
smoother lines than shorter averages. In a sense theThere are some issues with moving averages; most
longer term averages can be seen as representing aoften critics cite the lack of sensitivity to the range
company's long term potential, based on theirof the markets because the average ignores the
historical performance and short term averages theiropen, high and the low of each interval. This is
daily or weekly trends.especially evident in more volatile stocks which can
The study of comparing short term moving averagesbe difficult to assess when neglecting the volatility of
against long term moving averages is probably thethe instrument. Other factors such as breaking news
most common approach to using the moving averagealso cannot be accounted for in any technical analysis.
indicator. In fact one of the most popular traditionalHowever the effectiveness of the moving average
indicators the MACD (Moving Average Convergenceas an indicator is apparent by its sheer sustainability,
Divergence) is based on comparisons of short termit was one of the earliest methods of analysis and
versus long term moving averages. There are someremains as a key indicator for stock analysts around
distinctions between the calculation of the MACD andthe globe. Is past performance the best indicator of
comparing short term versus long term movingfuture success? You decide!
averages however the principle is essentially the