Stacks (STX) is 18.4× the size of Fractal Bitcoin (FB) by market capitalisation. Their daily returns move barely together (correlation 0.11 across 52 shared trading days). STX has been the more volatile of the two, at 93% annualised against FB's 68%.
FBSTX
0.11over 52 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 | FB | STX |
|---|---|---|
| Max drawdown (400d) | -18.6% | -80.9% |
| Risk-adjusted return (90d) | 0.00 | 1.22 |
| Best 30 days (past year) | — | +120.9% |
| Worst 30 days (past year) | — | -35.3% |
Relative strength over 90 days: STX outperformed FB by 33.0% — measured on the FB/STX ratio, so it holds regardless of market direction.