BFUSD (BFUSD) is 25.1× the size of USDu (USDU) by market capitalisation. Their daily returns move barely together (correlation 0.34 across 53 shared trading days). USDU has been the more volatile of the two, at 1% annualised against BFUSD's 0%.
USDUBFUSD
0.34over 53 shared trading days
Measured on daily returns rather than on prices. Two assets that both simply trend upward score near 1.0 on raw prices whether or not they move together, so returns are what answer the question people mean by correlation.
| Metric | USDU | BFUSD |
|---|---|---|
| Max drawdown (400d) | -0.2% | -0.1% |
| Risk-adjusted return (90d) | -0.17 | 0.06 |
| Best 30 days (past year) | — | +0.1% |
| Worst 30 days (past year) | — | -0.1% |
Relative strength over 90 days: BFUSD outperformed USDU by 0.1% — measured on the USDU/BFUSD ratio, so it holds regardless of market direction.