Unlike beta, which
simply measures volatility, alpha measures a portfolio manager's ability to outperform a market index.
Not exact matches
Rather simple, when you ponder it a while» Frank Martin «I think
volatility is so widely used as a risk - metric
simply because it is easy to
measure, not because it is a good gauge of risk of permanent loss of capital.
Simply put,
volatility is the
measure of «nervousness» that's in the markets, based on a sense of uncertainty as far as what the futures prices might do, or where those prices might go.
I hold that
volatility is the accepted
measure of risk
simply because it is mathematically conveniant.
They
simply measure the price
volatility according to standard deviation calculations of the moving average.