EMA
- exponential moving average

Moving averages, summation


SYNTAX ema( ARRAY, periods )
RETURNS ARRAY
FUNCTION Calculates a periods exponential moving average of ARRAY
EXAMPLE ema( close, 5 )
SEE ALSO MA() function , TEMA() function , AMA() function , AMA2() function , DEMA() function , WMA() function , WILDERS() function

Comments:

Nigel Rowe
rho@bigpond.com
2003-04-27 18:05:14
See the comments attached to DEMA for a discussion on the differences in the way EMA and others are initialised.

EMA is initialised from a simple MA of equivalent length. (For compatability with some other strange TA software.) The others are initialised from the first value.

References:

The EMA function is used in the following formulas in AFL on-line library:

More information:

Updated on-line reference