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Charting and Studies User Guide - CQG.com

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St<strong>and</strong>ard Deviation:<br />

See St<strong>and</strong>ard Deviation Formula<br />

Annualized Hvol:<br />

Page 269<br />

<strong>CQG</strong> annualizes Historical Volatility by multiplying the resulting St<strong>and</strong>ard Deviation by the<br />

square root of the number of bars in a year. When a Daily Chart is displayed the system<br />

multiplies by square root of 252, Weekly by square root of 52, Monthly by square root of 12,<br />

Intraday by square root of (252 x Number of Bars Per Day).<br />

Note: If these methods are <strong>com</strong>pared to bank <strong>com</strong>pounding of interest, at some point the<br />

differences between Regular Interval Compounding (Percent) <strong>and</strong> Continuous Compounding<br />

(Logarithmic) be<strong>com</strong>e very small.<br />

Historical Volatility Parameters<br />

• Display<br />

• MarkIt<br />

• Type: Defines the type of Historical volatility to calculate: Percent, Log, or Hi-Low<br />

Range.<br />

• Period: Defines the time period for the calculation.<br />

• Ann. Factor: The number of trading days per year for the contract. To calculate bars<br />

per year, multiply this value by the bars per day.<br />

• Price: Determines the price level <strong>com</strong>parison.<br />

<strong>Charting</strong> <strong>and</strong> <strong>Studies</strong> <strong>User</strong> <strong>Guide</strong>

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