# Technical Studies Reference

### Sum Charts From List

The Sum Charts From List study will create chart bars that are the sum of the data in the specified list of charts and then divide that sum by a divisor.

In other words, the Open, High, Low, Close, Volume, Open Interest/Number of Trades bar data are based upon the individual sum of the Open, High, Low, Close, Volume, Open Interest/Number of Trades bar data from the list of charts.

The Open values are summed and divided by the Divisor Input, the High values are summed and divided by the Divisor Input, the Low values are summed and divided by the Divisor Input, and the Close values are summed and divided by the Divisor Input. The same with the Volume values. They are summed and divided by the Divisor Input

#### Inputs

• Divisor: The sum of all charts is divided by this value. If you leave this value at 0, then it will equal the number of charts specified in your List of Chart Numbers.
• Synchronize Charts: When this is set to Yes, then the chart this study is applied to controls the time periods of the other charts, making them all the same time period per bar.
• List of Chart Numbers: This is a comma separated list of the charts that you want to sum. Each chart has a number, and it is shown after the number sign (#) in the Region Data Line in Chart Region 1 (this is at the top of the chart), and on the title bar of the chart window. Example: #4. These are the numbers that you enter in this list, and they need to be separated by commas. Example list: 1, 2, 3, 5. All of the charts need to be open and need to remain open. All of the charts also need to be in the same Chartbook that this study instance is contained within.

It is supported to specify a multiplier for each individual chart. To specify the optional multiplier enter an asterisk (*) after the Chart Number, followed by the multiplier value. Example: 1*1.5, 2*.2, 3*1, 5*3. The general format is: [ChartNumber]*[Multiplier], [ChartNumber]*[Multiplier], .... The multiplier can also be negative. For example, if you want to subtract the value of a particular chart use a multiplier of -1.

This multiplier will be applied to the Open, High, Low, Close bar values.

The inverse of the multiplier is also applied to the Volume, Open Interest/Number of Trades bar values. For example, a multiplier of 2 becomes .5 and this is multiplied by the volume values.