Thanks for Glenn Hess’s article “U.S. Seeks Tighter Rail Safety Rules” (C&EN, Aug. 18, page 22). However, the word “volatile” is misused when he writes that “ethanol is less volatile than crude oil.” ...

Thanks for Glenn Hess’s article “U.S. Seeks Tighter Rail Safety Rules” (C&EN, Aug. 18, page 22). However, the word “volatile” is misused when he writes that “ethanol is less volatile than crude oil.” ...

Volatility is a statistical measure of the amount an asset’s price changes during a given period of time. It has become a popular way of assessing how risky an asset is – the higher the level of ...

Volatility is a measure of risk that is the statistical quantification of a security's possible investment returns. In short, it means large swings in price over a short period of time. Volatility in ...

Stock market volatility refers to the frequency and size of a market move in either direction over a specified time period. Higher volatility is usually a sign of increased risk, but it can also ...