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3
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0answers
130 views

How can I introduce exogenous variables in the equation of the conditional variance?

Is it possible to introduce dummy variables or explanatory variables in the GARCH variance equation (garchset and garchfit).This is done in the mean (ARMAX) equation through the input 'Regress' in ...
0
votes
0answers
12 views

Engle Granger test returns a 0 in matlab, while correlation factor is .80+. Am I doing something wrong?

Engle Granger test is giving me a ans = 0. The correlation factor is: 0.8+ Does this imply the No cointegration hypothesis is true? i.e. as per my understanding that there is cointegration? I am ...
0
votes
0answers
54 views

Copula Value At Risk

Let's suppose I have two asset in my portfolio. I want to compute Copula Value At Risk. Can you help me? This is the code I wrote: ...
0
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0answers
311 views

fetch from yahoo! finance database - varying number of ticks

To test a model with real-life data, I used the fetch-function in matlab to connect to the database of yahoo! finance. My code to try and get 7 different assets' returns is the following: ...
-1
votes
0answers
36 views

GARCH Models and Wavelets(SWT) in Matlab

I just need to know is it possible to fit and forecast the GARCH,EGARCH,AGARCH,GJR-GARCH models with wavelets (Stationary wavelet transformer Db5, LEVEL 4) in Matlab. I tried to fit the standard GARCH ...