Using correlation in risk budgeting
If EURUSD and GBPUSD are highly positively correlated, taking the same directional bet in both roughly doubles euro-bloc exposure. Gold versus USD pairs often shows shifting correlation depending on real yields and risk appetite. The interactive tools page lets you highlight a subset of pairs; this stats page stores the underlying illustrative matrix for SSR and SEO.
Illustrative correlation matrix
Symmetric sample coefficients. Diagonal = 1.00.
| Pair | EURUSD | GBPUSD | USDJPY | AUDUSD | USDCAD | XAUUSD |
|---|---|---|---|---|---|---|
| EURUSD | 1 | 0.78 | -0.42 | 0.61 | -0.55 | 0.28 |
| GBPUSD | 0.78 | 1 | -0.35 | 0.58 | -0.48 | 0.22 |
| USDJPY | -0.42 | -0.35 | 1 | -0.31 | 0.38 | -0.18 |
| AUDUSD | 0.61 | 0.58 | -0.31 | 1 | -0.72 | 0.41 |
| USDCAD | -0.55 | -0.48 | 0.38 | -0.72 | 1 | -0.25 |
| XAUUSD | 0.28 | 0.22 | -0.18 | 0.41 | -0.25 | 1 |
Methodology
Values are illustrative Pearson-like coefficients on a fictional daily-return window (approximately −1 to +1). Production correlations would specify lookback (e.g. 60 / 90 / 250 sessions), return definition, and rolling stability bands. Pairs listed: EURUSD, GBPUSD, USDJPY, AUDUSD, USDCAD, XAUUSD.