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 Investor/RT Tour ( more on Technical Indicators )
Modified Moving Average
The Formula . . . 

. . .more on Formulas 
Y = Modified Moving Average
N = Number of Periods used
T = total of last N values of the security
T = y + y[1] + y[2] + y[N-1]
S = Sum of Security Weighted Values
S = ((N-1)/2*y + ((N-3)/2*y[1] + ((N-5)/2*y[2] + ... + 
       ((N-(2*N-1))/2)*y[N-1]
Y = T/N + (6*S) / ((N+1) * N)

See Also:  S&C, January 2000 Issue, p. 56.
 
The Presentation . . . 

. . . more on Charts 

Modified Moving Average

Above is a One Minute Bar Chart of Real Networks(RNWK).  The Modified Moving Average is seen as a red line in the chart.  This moving average uses the preferences seen below.
 
The Preferences . . . 

. . . more on Preferences 

Modified Moving Average Preferences

  • Price - The price data used in calculation of the Modified Moving Average.

  • Period - The period used to calculate the Modified Moving Average.

  • MMA Line Color - Color of the MMA line in the chart.
 
The Description . . .
The Modified Moving Average is an algebraic technique which makes averages more responsive to price movements. The average includes a sloping factor to help it catch up with the rising or falling value of the security.