
What Correlation Means for Portfolio Diversification
Diversification only works between assets that do not move together — and 2022 demonstrated that the stock-bond correlation everyone relied on is a regime, not…
Building a coherent set of positions: fund overlap, correlation, position count, home bias, and a rebalancing schedule that survives a busy year.

Diversification only works between assets that do not move together — and 2022 demonstrated that the stock-bond correlation everyone relied on is a regime, not…

The old rule of thumb — subtract your age from 110 to get your stock percentage — starts the conversation, but horizon and human capital finish it.

Sixty percent stocks for growth, forty percent bonds for ballast — a construction whose 2022 stress test explained both its vulnerability and its persistence.

The United States is roughly two-thirds of global equity market value, yet the typical US investor holds far more than that at home — a quiet, compounding bet…

Vanguard's research found annual and threshold rebalancing produced nearly identical long-run results — the point is having bands at all, not tuning them.