16.06.2013 Views

Modelli per il Calcolo del Value at Risk

Modelli per il Calcolo del Value at Risk

Modelli per il Calcolo del Value at Risk

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Assumendo che i rendimenti si distribuiscano<br />

secondo una Normale, <strong>il</strong> VaR <strong>del</strong> portafoglio a<br />

N giorni con grado di confidenza X èd<strong>at</strong>o da<br />

VaR( N;<br />

X ) = −ασ<br />

Π Π<br />

α è <strong>il</strong> valore corrispondente al <strong>per</strong>cent<strong>il</strong>e <strong>del</strong>la<br />

distribuzione Normale r<strong>il</strong>evante <strong>per</strong> <strong>il</strong> VaR<br />

Slides AB <strong>Mo<strong>del</strong>li</strong> <strong>per</strong> <strong>il</strong> calcolo <strong>del</strong> <strong>Value</strong> <strong>at</strong> <strong>Risk</strong><br />

N<br />

44

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!