Bitcoin (BTC) is 1018.6× the size of Sky (SKY) by market capitalisation. Over the past 1 year, SKY is ahead by 25.3 percentage points (SKY -4.5% against BTC -29.7%). Their daily returns move loosely together (correlation 0.59 across 368 shared trading days). SKY has been the more volatile of the two, at 72% annualised against BTC's 44%.
| Period | SKY | BTC | Ahead |
|---|---|---|---|
| 7 days | +10.11% | +5.14% | SKY |
| 30 days | +11.67% | +11.26% | SKY |
| 90 days | +17.52% | +28.33% | BTC |
| 1 year | -4.48% | -29.73% | SKY |
| Metric | SKY | BTC |
|---|---|---|
| Max drawdown (400d) | -46.1% | -53.0% |
| Risk-adjusted return (90d) | 0.23 | 0.74 |
| Best 30 days (past year) | +59.9% | +26.8% |
| Worst 30 days (past year) | -31.0% | -32.9% |
Relative strength over 90 days: BTC outperformed SKY by 8.4% — measured on the SKY/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.