AIM vs NSYS: Correlation
How closely do AIM ImmunoTech Inc. (AIM) and Nortech Systems Incorporated (NSYS) trade together? Their weekly returns over three years give a correlation of 0.32, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AIM and NSYS?
On 3 years of weekly data the AIM/NSYS correlation comes out at 0.32, moderate. The link has tightened recently: the 1-year correlation (0.43) runs above the 3-year figure (0.32). The 5-year figure is 0.25, and annualized covariance runs at 2040.2 %².
By 3-year correlation, NSYS places #7 of the 12 assets tracked against AIM. The last year tells two different stories: NSYS led by 126.3 percentage points, -89.7% for AIM against +36.6% for NSYS. One caveat on sizing: AIM is 2.3 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.
AIM vs NSYS: side by side
| AIM (AIM ImmunoTech Inc.) | NSYS (Nortech Systems Incorporated) | |
|---|---|---|
| 1-year return | -89.7% | +36.6% |
| 5-year return | -99.9% | -4.7% |
| Volatility (ann.) | 120.5% | 52.5% |
| Beta vs S&P 500 | 1.08 | 0.23 |
| Max drawdown (3Y) | -99.7% | -62.0% |
| Market cap | – | – |
| P/E (trailing) | – | 34.2 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AIM | NSYS |
|---|---|---|
| 2022 | -66.3% | +18.4% |
| 2023 | +41.9% | -23.1% |
| 2024 | -54.5% | +9.2% |
| 2025 | -94.4% | -27.8% |
| 2026 | -77.2% | +65.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AIM and NSYS good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.32 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between AIM and NSYS?
Using weekly returns as of 2026-08-27: 0.32 over 3 years, with 0.43 over the last year and 0.25 over 5 years.
Is NSYS a good diversifier for AIM?
Yes, to a useful degree: a correlation of 0.32 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.32 mean?
A reading of 0.32 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: AIM correlations · NSYS correlations
