AMPG vs CSBR: Correlation
Amplitech Group, Inc. (AMPG) and Champions Oncology, Inc. (CSBR) show a weak relationship: their 3-year correlation of weekly returns is 0.28.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AMPG and CSBR?
Across a 3-year window, the weekly returns of AMPG and CSBR correlate at 0.28, weak. The past 12 months show a weaker link (0.16) than the 3-year average (0.28). Stretching to 5 years gives 0.24, with an annualized covariance of 2796.9 %².
Among the 15 assets we track against AMPG, CSBR ranks #10 by 3-year correlation. Correlation aside, the last 12 months split them widely, with AMPG ahead by 46.1 points (+22.2% versus -23.9%). Note the risk asymmetry: AMPG runs 3.2 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.
AMPG vs CSBR: side by side
| AMPG (Amplitech Group, Inc.) | CSBR (Champions Oncology, Inc.) | |
|---|---|---|
| 1-year return | +22.2% | -23.9% |
| 5-year return | -0.5% | -49.7% |
| Volatility (ann.) | 178.6% | 55.9% |
| Beta vs S&P 500 | 1.10 | 0.24 |
| Max drawdown (3Y) | -78.6% | -57.9% |
| Market cap | $0.1B | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AMPG | CSBR |
|---|---|---|
| 2022 | -46.2% | -46.1% |
| 2023 | -11.3% | +24.6% |
| 2024 | +173.4% | +52.5% |
| 2025 | -41.8% | -19.4% |
| 2026 | +25.1% | -27.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AMPG and CSBR good diversifiers for each other?
Reasonably. At 0.28, AMPG and CSBR keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between AMPG and CSBR?
The AMPG/CSBR correlation stands at 0.28 on a 3-year window (1 year: 0.16, 5 years: 0.24), computed from weekly returns as of 2026-08-27.
Is CSBR a good diversifier for AMPG?
Reasonably. At 0.28, AMPG and CSBR keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.28 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/ampg-vs-csbr.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ampg-vs-csbr/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: AMPG correlations · CSBR correlations
