Diversification with mutual funds is a means of reducing total portfolio risk buy holding funds that represent different categories and asset classes. (thebalance.com)
SPAN assesses total portfolio risk, so, when and if you add a put credit spread with an offsetting delta factor (i.e., the call spread is net short 0.06 and the put spread is net long 0.06), you generally are not charged more margin if the overall risk is not increased according to SPAN risk arrays. (investopedia.com)
To better understand the currency risk of the portfolios beyond tracking relative performance and currency movements, we use the Northfield U.S. Macroeconomic Equity Risk Model to breakdown total portfolio risk. (indexologyblog.com)