Global portfolio risk management is crucial for navigating international financial markets. It involves identifying and mitigating risks across asset classes, geographies, and sectors. Diversification is key, helping investors balance systematic risks affecting entire markets with unsystematic risks specific to individual securities. Understanding various risk types is essential for effective global investing. These include market, currency, country, and liquidity risks. Investors must also consider differences in market efficiency, accounting standards, and corporate governance practices across developed, emerging, and frontier markets.