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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Definitions:

Camera Obscura

An ancient optical device that projects an image of its surroundings on a screen; used in drawing and for entertainment, and a precursor to modern photography.

Approximate Height

A measurement that provides an educated guess or estimation of an object or person's height, not necessarily based on precise measurements.

Gross Profit Margin

A financial metric indicating the percentage of revenue that exceeds the cost of goods sold; it measures a company’s production efficiency.

Sales Revenue

The income received by a company from its sales of goods or the provision of services.