Per chi ama i Buy & Hold

http://blog.alphaarchitect.com/2015/08/13/avoiding-the-big-drawdown-is-downside-protection-helpful-or-heresy/?utm_source=Alpha+Architect+Website+Users&utm_campaign=224319c07a-RSS_EMAIL_CAMPAIGN&utm_medium=email&utm_term=0_2f87b7924e-224319c07a-149748817