Is it legal for my employer to charge employees a weekly $5 surcharge fee for being a tobacco user ? Connersville, IN | October 17, 2013 1:16am. This is something new for 2014 for my employer's medical benefit requirements for employees. We must sign a 'tobacco use affidavit' stating if we use tobacco or do not.
Simplyput, statistical arbitrage is a fancy term for pair trading, which is the buying or selling of a pair ofstocks based on their relationship with each other.
What is 'Volatility'. Volatility is a statistical measure of the dispersion of returns for a given security or market index. Volatility can either be measured by using the standard deviation or variance between returns from that same security or market index. Commonly, the higher the volatility, the riskier the security.