Some facts and some speculation. Definition Volatility is the annualized standard deviation of returns -- it is often expressed in percent. A volatility of 20 means that there is [...]

The S&P 500 returned 29.6% in 2013.  How might that have varied? S&P weights There are many features that could vary -- here we will keep the same constituents [...]

An interview with Russ Bubley: Russ is the founder of i for change, a social investment strategy consultancy working with charities, social enterprises, government and investor groups to bring [...]