Variance Scaling

Variance scaling is a technique used to adjust the exposure of a portfolio or individual trade to match a target level of variance. It involves dividing the desired variance by the actual variance of the asset to determine the appropriate position size.

This ensures that the portfolio's risk profile remains consistent even when the volatility of individual assets changes. It is a more precise method than simple volatility adjustment as it accounts for the squared nature of risk.

By scaling based on variance, traders can better control the tail risk of their portfolios. This approach is common in quantitative hedge funds and systematic trading strategies that aim for a specific risk budget.

It provides a robust framework for maintaining stability in volatile environments like cryptocurrency. It is a key tool for achieving consistent risk-adjusted returns.