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To use PORTAX requires asset return statistics including
expected income return, expected capital appreciation, turnover, management fees.
short term gain,
and correlations. These are not
readily available from basic before-tax total return time series. PORTAX provides a Forecasts Wizard to
assist with these statistics.
The Forecasts Wizard provides
per period asset return time series for asset classes. These are user
selected by importing Asset Daily Price series. in different
markets . PORTAX converts daily prices to period returns can range from Daily to
Annual.
PORTAX has two editors available to assist in setting up Asset Classes
Trade Date Daily Close Prices: Create Markets Editor and Create Asset
Classes Editor. They also include an optional Autoload feature to download
Trade Date, Asset Class descriptions and Asset Class Adjusted Daily Close
prices.
The asset statistics are then generated using historical
time series or a factor model based on user selected factors and corresponding
user selected forecasted factor returns.
An optional Extreme Data Points procedure is available to detect and adjust bad
data points that occasionally occur in commercial asset time series data.
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