Pudgy Penguins (PENGU) is 8343.9× the size of Zack Morris (ZACK) by market capitalisation. Their daily returns move loosely together (correlation 0.43 across 30 shared trading days). PENGU has been the more volatile of the two, at 104% annualised against ZACK's 40%.
ZACKPENGU
0.43over 30 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 | ZACK | PENGU |
|---|---|---|
| Max drawdown (400d) | -23.1% | -82.4% |
| Risk-adjusted return (90d) | -0.51 | 0.21 |
| Best 30 days (past year) | — | +74.9% |
| Worst 30 days (past year) | — | -55.1% |
Relative strength over 90 days: ZACK outperformed PENGU by 3.2% — measured on the ZACK/PENGU ratio, so it holds regardless of market direction.