Compounding Error
Compounding error in a financial context refers to the divergence between predicted performance and actual results due to the mathematical nature of multiplicative growth. When returns are volatile, the sequence of gains and losses creates a compounding effect that does not align with simple linear projections.
This error is exacerbated by transaction costs, slippage, and the specific mechanics of derivative instruments. In cryptocurrency, this often manifests when investors expect a 3x return from a 3x leveraged token but find the result significantly lower due to the interaction of daily resets and volatility.
It is not an error in the sense of a mistake, but a systematic outcome of applying linear expectations to non-linear compounding processes. Understanding this helps traders avoid mispricing their potential outcomes.
It highlights the importance of using logarithmic returns when modeling long-term investment trajectories.