AIG vs NAII: Correlation
Measured on weekly returns over the past three years, American International Group (AIG) and Natural Alternatives International, Inc. (NAII) carry a correlation of -0.24, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AIG and NAII?
On 3 years of weekly data the AIG/NAII correlation comes out at -0.24, negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.38 versus -0.24 over 3 years. The 5-year figure is -0.08, and annualized covariance runs at -241.7 %².
NAII is close to the least connected end of AIG's tracked universe, ranking #25 of 28. Their recent paths diverged sharply: over the last 12 months AIG outperformed by 31.4 percentage points (-4.6% for AIG against -36.0% for NAII). Note the risk asymmetry: NAII runs 2.4 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.
AIG vs NAII: side by side
| AIG (American International Group) | NAII (Natural Alternatives International, Inc.) | |
|---|---|---|
| 1-year return | -4.6% | -36.0% |
| 5-year return | +58.9% | -85.1% |
| Volatility (ann.) | 20.1% | 49.2% |
| Beta vs S&P 500 | 0.46 | 0.09 |
| Max drawdown (3Y) | -17.0% | -71.7% |
| Market cap | $40.1B | – |
| P/E (trailing) | 14.0 | – |
| Dividend yield | 2.40% | 0.00% |
| Sector / category | Financials | US Listed |
Year-by-year returns
| Year | AIG | NAII |
|---|---|---|
| 2022 | +13.8% | -33.7% |
| 2023 | +9.8% | -22.2% |
| 2024 | +9.8% | -34.0% |
| 2025 | +20.0% | -16.9% |
| 2026 | -9.3% | -36.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AIG and NAII good diversifiers for each other?
Yes: at -0.24, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between AIG and NAII?
Using weekly returns as of 2026-08-27: -0.24 over 3 years, with -0.38 over the last year and -0.08 over 5 years.
Is NAII a good diversifier for AIG?
Yes: at -0.24, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.24 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/aig-vs-naii.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/aig-vs-naii/)
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Related comparisons
Hubs: AIG correlations · NAII correlations
