Beldex (BDX) is 1546.4× the size of OPEN GPU (OGPU) by market capitalisation. Their daily returns move barely together (correlation 0.07 across 44 shared trading days). OGPU has been the more volatile of the two, at 124% annualised against BDX's 65%.
OGPUBDX
0.07over 44 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 | OGPU | BDX |
|---|---|---|
| Max drawdown (400d) | -88.6% | -20.8% |
| Risk-adjusted return (90d) | -0.41 | -0.15 |
| Best 30 days (past year) | +65.7% | — |
| Worst 30 days (past year) | -59.7% | — |
Relative strength over 90 days: BDX outperformed OGPU by 39.5% — measured on the OGPU/BDX ratio, so it holds regardless of market direction.