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What is a Moving Average? b Indicator that shows the average value of a security’s price over a period of time. b Used to produce buy and sell signals.

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Presentation on theme: "What is a Moving Average? b Indicator that shows the average value of a security’s price over a period of time. b Used to produce buy and sell signals."— Presentation transcript:

1 What is a Moving Average? b Indicator that shows the average value of a security’s price over a period of time. b Used to produce buy and sell signals for stock trading in a smoothed fashion.

2 The merit to a moving average is that you will always be on the “right” side of the market; prices cannot rise very much without the price rising above its average. The disadvantage is that you will always buy and sell late. If the trend doesn’t last for a significant period of time, typically twice the length of the moving average, you will lose money.

3 When the stock moves upward across the moving average value, a buy signal is given. When the stock moves downward across the moving average value, a sell signal is given.

4 Different Kinds of Moving Averages b Simple Moving Average b Exponential Moving Average

5 Simple Moving Average b Changes in the upward or downward trend of the stock being measured are identified by the stock price or index crossing over its moving average, rather than a change in direction of the moving average. b A disadvantage is that it will allow an extreme high or low to distort the true value of the stock, possibly giving false signals.

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7 Calculation of Simple Moving Average

8 Exponential Moving Average b Weights recent closing prices more heavily than earlier closing prices b Many market technicians consider this method to be more accurate indicator than simple moving average.

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10 Calculation of Exponential Moving Average (Last MA value *(1-2/L+1))+(NP*2/L+1) MA=Moving Average L=Length of Moving Average NP=Most Recent Closing Price of Stock Formula for converting time periods to percentages 2/(time periods +1)

11 b Trend Moving Average b Very ST 5-13 days b Short term 14-25 days b Minor Intermediate 26-49 days b Intermediate 50-100 days b Long term 100-200 days


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