Risk, Return, and Portfolio Theory
Understand the relationship between risk and expected return, and apply portfolio theory to optimize asset allocation.
The fundamental trade-off in investing is between risk and expected return: assets offering higher potential returns typically expose investors to greater uncertainty or volatility. Portfolio theory shows that the risk of a portfolio depends not only on the individual risks of its assets but also on how those assets move together (correlation). By combining assets with low correlation, investors can reduce overall portfolio risk without sacrificing expected return—a concept called diversification. The efficient frontier represents portfolios that offer the highest expected return for a given level of risk. This foundation underpins investment strategy, asset allocation decisions, and how financial managers…
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