Stacks (STX) is 6.6× the size of Prom (PROM) by market capitalisation. Over the past 1 year, STX is ahead by 38.2 percentage points (PROM -50.3% against STX -12.0%). Their daily returns move barely together (correlation 0.13 across 399 shared trading days). PROM has been the more volatile of the two, at 144% annualised against STX's 93%.
PROMSTX
0.13over 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 | STX |
|---|---|---|
| Max drawdown (400d) | -91.2% | -80.9% |
| Risk-adjusted return (90d) | 0.97 | 1.22 |
| Best 30 days (past year) | +304.9% | +120.9% |
| Worst 30 days (past year) | -85.7% | -35.3% |
Relative strength over 90 days: PROM outperformed STX by 13.0% — measured on the PROM/STX ratio, so it holds regardless of market direction.