DTST vs NUWE: Correlation
How closely do Data Storage Corporation (DTST) and Nuwellis, Inc. (NUWE) trade together? Their weekly returns over three years give a correlation of 0.33, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DTST and NUWE?
On 3 years of weekly data the DTST/NUWE correlation comes out at 0.33, moderate. The relationship has been stable: the 1-year correlation (0.24) sits close to the 3-year figure. The 5-year figure is 0.25, and annualized covariance runs at 2637.8 %².
Among the 12 assets we track against DTST, NUWE ranks #7 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months DTST outperformed by 64.6 percentage points (-34.9% for DTST against -99.5% for NUWE). One caveat on sizing: NUWE is 2.5 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
DTST vs NUWE: side by side
| DTST (Data Storage Corporation) | NUWE (Nuwellis, Inc.) | |
|---|---|---|
| 1-year return | -34.9% | -99.5% |
| 5-year return | -30.6% | -100.0% |
| Volatility (ann.) | 57.3% | 141.6% |
| Beta vs S&P 500 | 1.33 | 1.66 |
| Max drawdown (3Y) | -62.7% | -100.0% |
| Market cap | – | – |
| P/E (trailing) | – | 0.0 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | DTST | NUWE |
|---|---|---|
| 2022 | -51.6% | -90.6% |
| 2023 | +94.6% | -94.6% |
| 2024 | +46.9% | -94.5% |
| 2025 | +21.0% | -96.3% |
| 2026 | -41.6% | -98.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DTST and NUWE good diversifiers for each other?
A fair diversifier. At 0.33, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between DTST and NUWE?
The DTST/NUWE correlation stands at 0.33 on a 3-year window (1 year: 0.24, 5 years: 0.25), computed from weekly returns as of 2026-08-27.
Is NUWE a good diversifier for DTST?
A fair diversifier. At 0.33, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.33 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/dtst-vs-nuwe.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/dtst-vs-nuwe/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: DTST correlations · NUWE correlations
