Bitcoin (BTC) is 1130.0× the size of Arbitrum (ARB) by market capitalisation. Over the past 1 year, BTC is ahead by 28.1 percentage points (ARB -57.8% against BTC -29.7%). Their daily returns move closely together (correlation 0.62 across 399 shared trading days). ARB has been the more volatile of the two, at 103% annualised against BTC's 44%.
| Period | ARB | BTC | Ahead |
|---|---|---|---|
| 7 days | +46.69% | +5.14% | ARB |
| 30 days | +126.73% | +11.26% | ARB |
| 90 days | +151.65% | +28.33% | ARB |
| 1 year | -57.84% | -29.73% | BTC |
| Metric | ARB | BTC |
|---|---|---|
| Max drawdown (400d) | -88.1% | -53.0% |
| Risk-adjusted return (90d) | 1.09 | 0.74 |
| Best 30 days (past year) | +147.2% | +26.8% |
| Worst 30 days (past year) | -51.6% | -32.9% |
Relative strength over 90 days: ARB outperformed BTC by 96.1% — measured on the ARB/BTC ratio, so it holds regardless of market direction.
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.