Bitcoin (BTC) is 114178.1× the size of SPY (bStocks Tokenized Stock) (SPYB) by market capitalisation. Their daily returns move barely together (correlation 0.33 across 75 shared trading days). BTC has been the more volatile of the two, at 44% annualised against SPYB's 11%.
| Period | SPYB | BTC | Ahead |
|---|---|---|---|
| 7 days | -0.30% | +5.14% | BTC |
| 30 days | -0.04% | +11.26% | BTC |
| 90 days | +1.99% | +28.33% | BTC |
| 1 year | — | -29.73% | — |
| Metric | SPYB | BTC |
|---|---|---|
| Max drawdown (400d) | -3.1% | -53.0% |
| Risk-adjusted return (90d) | 0.18 | 0.74 |
| Best 30 days (past year) | — | +26.8% |
| Worst 30 days (past year) | — | -32.9% |
Relative strength over 90 days: BTC outperformed SPYB by 20.5% — measured on the SPYB/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.