Portal (PORTAL) is 402.8× the size of Playground (PBUX) by market capitalisation. Their daily returns move barely together (correlation 0.20 across 30 shared trading days). PBUX has been the more volatile of the two, at 265% annualised against PORTAL's 215%.
PBUXPORTAL
0.20over 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 | PBUX | PORTAL |
|---|---|---|
| Max drawdown (400d) | -46.7% | -80.9% |
| Risk-adjusted return (90d) | 0.04 | 0.08 |
| Best 30 days (past year) | — | +187.4% |
| Worst 30 days (past year) | — | -61.9% |
Relative strength over 90 days: PBUX outperformed PORTAL by 56.1% — measured on the PBUX/PORTAL ratio, so it holds regardless of market direction.