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Charting and Studies User Guide - CQG.com

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Page 319<br />

ROC, like other oscillators, may be used to identify divergence or confirmation of a new price<br />

extreme. A divergence indicates the market has lost its momentum or has be<strong>com</strong>e highly<br />

volatile <strong>and</strong> is likely to consolidate or reverse. Confirmation indicates the market is still<br />

accelerating away from its moving average <strong>and</strong> follow through is likely.<br />

A difficulty with using divergence analysis on ROC is its calculation is based off of two specific<br />

dates <strong>and</strong> changes from bar to bar in the earlier date will affect the value of ROC to the same<br />

degree as changes in the current price.<br />

Calculation<br />

ROC = ((Current PRICE / Prior PRICE) * 100) – 100<br />

Rate of Change Parameters<br />

• Display<br />

• MarkIt<br />

• Period: The time frame used for the moving average calculation.<br />

• Price: The price used for the calculations, e.g. open, high, last, or best ask.<br />

• OB/OS<br />

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

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