There are many types of investing risk. I believe the ultimate risk is permanently losing your capital. In order to avoid the ultimate risk you need an investment risk management plan. Part of this plan is to understand systematic and unsystematic risk and the most effective approaches to mitigating these risks.

Systematic Risk

Systematic risk is risk associated with market returns. This is risk that can be attributed to broad factors. It is risk to your investment portfolio that cannot be attributed to the specific risk of individual investments.

Sources of systematic risk could be macroeconomic factors such as inflation, changes in interest rates, fluctuations in currencies, recessions, wars, etc. Macro factors which influence the direction and volatility of the entire market would be systematic risk. An individual company cannot control systematic risk.

Systematic risk can be partially mitigated by asset allocation. Owning different asset classes with low correlation can smooth portfolio volatility because asset classes react differently to macroeconomic factors. When some asset categories (i.e. domestic equities, international stocks, bonds, cash, etc.) are increasing others may be falling and vice versa.

To further reduce risk, asset allocation investment decisions should be based on valuation. I want to adjust my asset allocation target according to valuations. I want to overweight those asset classes that are bargains and own less or avoid investments which are overpriced. When mitigating systematic risk within a diversified portfolio, cash may be the most important and under appreciated asset category.

Unsystematic Risk

Unsystematic risk is company specific or industry specific risk. This is risk attributable or specific to the individual investment or small group of investments. It is uncorrelated with stock market returns. Other names used to describe unsystematic risk are specific risk, diversifiable risk, idiosyncratic risk, and residual risk.

Examples of risk that might be specific to individual companies or industries are business risk, financing risk, credit risk, product risk, legal risk, liquidity risk, political risk, operational risk, etc. Unsystematic risks are considered governable by the company or industry.

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