Arbitrum (ARB) is 11.4× the size of Prom (PROM) by market capitalisation. Over the past 1 year, ARB is ahead by 10.7 percentage points (PROM -50.3% against ARB -39.5%). Their daily returns move barely together (correlation 0.05 across 399 shared trading days). PROM has been the more volatile of the two, at 144% annualised against ARB's 103%.
PROMARB
0.05over 399 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 | PROM | ARB |
|---|---|---|
| Max drawdown (400d) | -91.2% | -84.1% |
| Risk-adjusted return (90d) | 0.97 | 0.66 |
| Best 30 days (past year) | +304.9% | +157.6% |
| Worst 30 days (past year) | -85.7% | -51.6% |
Relative strength over 90 days: PROM outperformed ARB by 40.5% — measured on the PROM/ARB ratio, so it holds regardless of market direction.