Return Distribution Fat Tails
Return distribution fat tails refer to the phenomenon where the probability of extreme price movements is higher than what would be predicted by a normal distribution, often called a bell curve. In financial markets, this means that market crashes or massive price spikes occur more frequently than standard models would suggest.
Cryptocurrency markets are particularly known for having fat tails due to their high sensitivity to news, liquidity shocks, and speculative behavior. Ignoring these fat tails leads to a dangerous underestimation of tail risk, which can result in severe losses during market events.
Traders and risk managers must use models that incorporate fat-tailed distributions, such as the Student's t-distribution or extreme value theory, to better assess the true risk of their portfolios. Acknowledging and accounting for these extreme possibilities is a fundamental aspect of professional risk management in crypto.