Bollinger Bands

question 45

Multiple Choice

Bollinger bands:

• A)graphically reflect the differences between two moving averages.
• B)graphically depict the relative strength of a security as compared to the market.
• C)are a graphical representation of an exponential moving average.
• D)depict a 2-standard-deviation bound around a moving average.
• E)are equal to the 20-day moving average plus or minus one standard deviation.

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