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Quantitative Finance · Glossary

What is Hierarchical risk parity?

Definition 26.5 Research Craft: Predictors, Backtests, Measurement, Portfolios · Chapter 26 — Portfolio Construction II

Hierarchical risk parity (López de Prado) orders the assets by single-linkage clustering of correlation distances (1−ρij)/2\sqrt{(1-\rho_{ij})/2}, and splits the capital recursively: each block of the ordered list is cut in two, and the halves receive capital in inverse proportion to the variance of their inverse-variance portfolios.

The eight long-only rules on fifty names: left, the one-way turnover when the forecast’s noise is drawn again; right, the Sharpe ratio after costs over 95 months (standard error about 0.4). Data: rs_allocation.
Figure 26.1. The eight long-only rules on fifty names: left, the one-way turnover when the forecast’s noise is drawn again; right, the Sharpe ratio after costs over 95 months (standard error about 0.4). Data: rs_allocation.
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