XRP (XRP) is 58139.6× the size of Rubidium (RBD) by market capitalisation. Their daily returns move barely together (correlation 0.04 across 31 shared trading days). RBD has been the more volatile of the two, at 97% annualised against XRP's 65%.
RBDXRP
0.04over 31 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 | RBD | XRP |
|---|---|---|
| Max drawdown (400d) | -6.7% | -67.3% |
| Risk-adjusted return (90d) | 0.18 | 0.29 |
| Best 30 days (past year) | — | +41.9% |
| Worst 30 days (past year) | — | -47.3% |
Relative strength over 90 days: RBD outperformed XRP by 8.9% — measured on the RBD/XRP ratio, so it holds regardless of market direction.