Unsystematic Risk
Risk that affects a very small number of assets. Sometimes referred to as specific risk.
Investopedia Commentary
For example, news that is specific to a small number of stocks, such as a sudden strike by the employees of a company you have shares in, is considered to be an unsystematic risk.
Related Links
Determining Risk And The Risk Pyramid
Achieving Optimal Asset Allocation
Understanding Volatility Measurements
See also: Risk, Risk-Return Tradeoff, Systematic risk
Also spelled: un-systematic risk
unsystematic risk