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Knowledge Base

Using the Time/Price Ratio to Scale a Chart

Overview


The Time/Price Ratio setting is the number in the bottom-right corner of the screen that shows the ratio of the X and Y axes. As you move the chart - either zoom in or out to decrease/increase the amount of chart history shown on the screen - the number will be recalculated as the ratio changes.



If you are charting using any of the Geometric Tools then you will be prompted to lock this ratio so that the geometric proportions of your chart remain constant when the tools are applied. If the ratio is not locked then the tools will not be accurate if the chart is adjusted.



The geometric Time Price Ratio lock ensures the ratio of time and price which is in effect when the tool has been applied is locked in, to ensure the angles and properties of the tool remain constant, even after zoom levels of the chart are adjusted.

Adjusting


It is also possible to manually adjust the time price ratio value that is used for your chart, to allow you to adjust the scaling as required. At the bottom of the price scale (bottom right of the Optuma window) is the current time price ratio value. By default, this value automatically adjusts in accordance to any chart alterations that you may make, e.g. when the chart is compressed or expanded the time price ratio value automatically adjusts.

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To set the time price ratio to a desired value, simply left-click on the value that is displayed and then type the desired ratio. The time price ratio will then be locked to the value you have entered, any adjustments you make such as compressing or expanding the chart will not affect the time price ratio. To unlock the time price ratio and return to automatic scaling, left-click the padlock icon displayed above.

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