Mass Index Formula (Chart Controls)

  • Article

The mass index formula predicts trend reversals by calculating the range between high and low prices for each period. A bulge in the index line signals a possible trend reversal. You can use a 9-day Exponential Moving Average Formula to determine whether the bulge is a buy or sell signal.

Sample plot of the mass index

Formula Details

Syntax

Chart.DataManipulator.FinancialFormula(
    FinancialFormula.MassIndex,
    "PeriodA,PeriodEMA",
    "High,Low",
    "MI")

Parameters

This formula takes two optional parameters.

  • PeriodA
    Period of accumulation. The default value is 25.
  • PeriodEMA
    Period for calculating the exponential moving average for the mass index. The default value is 9.

Input Values

This formula takes two input Y values.

  • High
    Daily high price.
  • Low
    Daily low price.

Output Value

This formula outputs one Y value.

  • MI
    Mass index.

Remarks

The Line chart type is a convenient chart type to display the formula output.

Example

The following example takes input from Series1's Y value for the high and low prices, respectively, (Series1:Y,Series1:Y2), and outputs the mass index on Series3 (Series3:Y). It uses an accumulation period of 30 days and a moving average period of 12 days.

Chart1.DataManipulator.FinancialFormula (FinancialFormula.MassIndex, "30,12", "Series1:Y,Series1:Y2", "Series3:Y")

Chart1.DataManipulator.FinancialFormula (FinancialFormula.MassIndex, "30,12", "Series1:Y,Series1:Y2", "Series3:Y");

See Also

Reference

System.Windows.Forms.DataVisualization.Charting
System.Web.UI.DataVisualization.Charting

Concepts

Financial Formulas
Applying Formulas