Olympus (OHM) is 4.8× the size of Spark (SPK) by market capitalisation. Their daily returns move barely together (correlation 0.22 across 58 shared trading days). SPK has been the more volatile of the two, at 108% annualised against OHM's 29%.
SPKOHM
0.22over 58 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 | SPK | OHM |
|---|---|---|
| Max drawdown (400d) | -75.3% | -10.8% |
| Risk-adjusted return (90d) | 0.07 | -0.03 |
| Best 30 days (past year) | +141.2% | — |
| Worst 30 days (past year) | -50.4% | — |
Relative strength over 90 days: SPK outperformed OHM by 16.4% — measured on the SPK/OHM ratio, so it holds regardless of market direction.