Tuesday, January 09, 2018

ASX200 Alpha and Beta

Another new chart:

This is based on regressing my returns in excess of the RBA cash rate on the ASX200 returns in excess of the cash rate using 36 months of data. Clearly there is a negative correlation between alpha and beta. In recent years beta is less than one and alpha greater than one. Alpha was very negative during the financial crisis and there are some wild swings before that. The tech crash also had hugely negative alpha. Looks like I outperform in bull markets and underperform in bear markets but that it isn't all just due to too much leverage.

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