Why are the prices of stocks and other assets so volatile? Efficient capital markets theory implies that stock prices should be much less volatile than actually observed, reflecting an unrealistic ...

The Cboe Volatility Index (VIX) plunged over 30% during the election week despite what appeared to be a contested election. Three volatility experts told Business Insider what was behind the decline ...

To ensure future success, businesses need to start planning and preparing to adapt during the next 18 months. In a virtual meeting hosted by ActionIQ, executives from tech businesses discussed the new ...

Peter Gratton, Ph.D., is a New Orleans-based editor and professor with over 20 years of experience in investing, economics, and public policy. Peter began covering markets at Multex (Reuters) and has ...

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 ...

Risk refers to the possibility an asset will lose value, while volatility is the likelihood that there will be a sudden swing or big change in its price. Periodically reviewing your portfolio, ...

Investors who are exhausted by Wall Street’s recent volatility might find comfort in the old adage that you should “sell in May and go away.” As the name suggests, it essentially recommends unloading ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Volatility trading is different from other types of trading, yet it can be a profitable form of playing the stock market for those interested in pursuing it. Everyday trading tends to focus on the ...