Description Usage Arguments Author(s)

Calculates the Exponential Weighted Moving Average volatilty

1 2 |

`prices` |
A price series on which you want to compute the EWMA volatility measure |

`UseLog` |
A boolean to determine if we should take the log of the price series. The series must all be positive to set UseLog = TRUE otherwise set to FALSE to use the differences method. |

`lamda` |
The exponential decay factor to be used as weights |

Helena Ristov

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