GPUS vs HSTM: Correlation
How closely do Hyperscale Data, Inc. (GPUS) and HealthStream, Inc. (HSTM) trade together? Their weekly returns over three years give a correlation of -0.34, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GPUS and HSTM?
Over the past 3 years, GPUS and HSTM moved with a correlation of -0.34, which is negative, meaning they tend to move in opposite directions. Lately the two have moved closer together, with the 1-year correlation at -0.16 versus -0.34 over 3 years. Over 5 years the correlation is -0.26, and the annualized covariance of weekly returns is -3163.2 %².
HSTM is close to the least connected end of GPUS's tracked universe, ranking #9 of 10. The last year tells two different stories: HSTM led by 40.7 percentage points, -38.5% for GPUS against +2.2% for HSTM. Note the risk asymmetry: GPUS runs 12.3 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
GPUS vs HSTM: side by side
| GPUS (Hyperscale Data, Inc.) | HSTM (HealthStream, Inc.) | |
|---|---|---|
| 1-year return | -38.5% | +2.2% |
| 5-year return | -100.0% | -1.6% |
| Volatility (ann.) | 335.7% | 27.4% |
| Beta vs S&P 500 | 0.78 | 0.54 |
| Max drawdown (3Y) | -100.0% | -41.4% |
| Market cap | $0.1B | $0.8B |
| P/E (trailing) | 0.0 | 40.0 |
| Dividend yield | 0.00% | 0.46% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | GPUS | HSTM |
|---|---|---|
| 2022 | -89.9% | -5.8% |
| 2023 | -99.6% | +9.3% |
| 2024 | -93.7% | +18.1% |
| 2025 | -96.3% | -27.1% |
| 2026 | +84.5% | +25.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GPUS and HSTM good diversifiers for each other?
Yes. With a correlation of -0.34, GPUS and HSTM have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between GPUS and HSTM?
The GPUS/HSTM correlation stands at -0.34 on a 3-year window (1 year: -0.16, 5 years: -0.26), computed from weekly returns as of 2026-08-27.
Is HSTM a good diversifier for GPUS?
Yes. With a correlation of -0.34, GPUS and HSTM have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.34 mean?
A reading of -0.34 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/gpus-vs-hstm.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/gpus-vs-hstm/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: GPUS correlations · HSTM correlations
