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Jump Risk

The risk of sudden and significant price movements caused by unexpected events such as outages, geopolitical shocks, or policy changes.

Jump risk refers to the possibility of sudden, discontinuous price movements that occur without warning. In trading and economics, it represents a form of uncertainty that cannot be fully captured by models assuming smooth price changes.

These abrupt shifts may result from macroeconomic announcements, geopolitical events, regulatory actions, or unexpected disruptions. For traders, jump risk poses challenges to hedging strategies, as traditional risk measures based on historical volatility may underestimate extreme outcomes.

In economic terms, jump risk reflects the reality that markets process information unevenly. When new information arrives that significantly alters expectations, prices adjust rapidly rather than gradually. This behavior underscores the limits of equilibrium-based models.

Managing jump risk often involves diversification, options-based strategies, or maintaining liquidity buffers. For example, traders may use options to cap downside exposure while preserving upside. Recognizing jump risk is essential for understanding tail events and avoiding overconfidence in predictive models.