Unit
- Market risk definition: Market risk is the potential for losses from adverse movements in market prices, including interest rates, equity prices, foreign exchange rates, and commodity prices. It affects the value of trading portfolios and investment holdings.
- Interest rate risk: This type arises from changes in interest rates that affect the value of fixed-income securities, loans, and derivatives. It includes repricing risk, yield curve risk, and basis risk.
- Equity risk: The risk of losses due to declines in stock prices or equity indices. It is measured by beta and factor exposures, affecting both direct equity holdings and equity derivatives.
- Currency risk: Also known as foreign exchange risk, it results from fluctuations in exchange rates. It impacts multinational firms, international portfolios, and any entity with foreign currency receivables or payables.
- Commodity risk: Arises from price changes in physical commodities like oil, gold, and agricultural products. It is critical for producers, consumers, and commodity traders.
- Systematic vs. unsystematic risk: Market risk is largely systematic, affecting the entire market, while unsystematic risk is specific to a company or industry. Diversification reduces unsystematic but not systematic risk.
- Risk factors: Key drivers include macroeconomic indicators, geopolitical events, central bank policies, and market sentiment. Risk managers identify and monitor these factors to anticipate market movements.
- Importance of market risk management: It protects capital, ensures regulatory compliance, stabilizes earnings, and enables informed strategic decisions. Financial institutions allocate significant resources to risk quantification and mitigation.
- Value at Risk (VaR): VaR estimates the maximum potential loss over a specified time horizon at a given confidence level. It is a widely used metric for quantifying market risk. Common approaches include historical simulation, variance-covariance, and Monte Carlo. VaR is integral to setting risk limits and capital allocation decisions.
- Expected Shortfall (CVaR): Expected shortfall measures the average loss beyond the VaR threshold, providing a more comprehensive view of tail risk. Unlike VaR, it captures the severity of extreme losses. Regulators increasingly require CVaR for capital adequacy calculations under advanced internal models.
- Stress Testing and Scenario Analysis: Stress testing evaluates portfolio losses under hypothetical adverse scenarios, such as financial crises or geopolitical shocks. Scenario analysis helps risk managers understand vulnerabilities and prepare contingency plans. It complements VaR by addressing events outside historical data.
- Risk Limits and Controls: Risk limits define the maximum acceptable exposure for traders, desks, or portfolios. Common limits include stop-loss, position size, and concentration limits. These controls are enforced through real-time monitoring and escalation procedures to prevent excessive risk-taking.
- Hedging Strategies: Hedging reduces market risk by taking offsetting positions using derivatives such as futures, options, and swaps. For example, interest rate swaps hedge floating rate exposure, while currency forwards lock in exchange rates. Effective hedging requires careful correlation and cost considerations.
Risk Assessment
MEDIUM RISK
Market risk is generally classified as medium to high depending on portfolio composition and volatility. Interest rate and equity risks often dominate for institutional portfolios, while currency risk is elevated for globally diversified holdings. Risk managers use diversification and hedging to bring risk within acceptable thresholds.
Quick Revision
- Market risk encompasses losses from adverse price movements in interest rates, equities, currencies, and commodities.
- It is systematic and cannot be eliminated by diversification alone; hedging is required.
- The four main categories are interest rate, equity, currency, and commodity risk.
- Effective market risk management aligns with regulatory standards and protects firm capital.