AFJK vs NAT: Correlation
How closely do Aimei Health Technology Co., Ltd (AFJK) and Nordic American Tankers Limited (NAT) trade together? Their weekly returns over three years give a correlation of -0.27, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AFJK and NAT?
Over the past 3 years, AFJK and NAT moved with a correlation of -0.27, which is negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.41 versus -0.27 over 3 years. Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is -1861.5 %².
Within AFJK's tracked universe of 29 assets, NAT comes in at #24 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months NAT outperformed by 129.2 percentage points (+8.4% for AFJK against +137.6% for NAT). Note the risk asymmetry: AFJK runs 5.5 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.
AFJK vs NAT: side by side
| AFJK (Aimei Health Technology Co., Ltd) | NAT (Nordic American Tankers Limited) | |
|---|---|---|
| 1-year return | +8.4% | +137.6% |
| 5-year return | n/a | +351.2% |
| Volatility (ann.) | 197.3% | 36.0% |
| Beta vs S&P 500 | 0.18 | 0.30 |
| Max drawdown (3Y) | -86.8% | -46.3% |
| Market cap | – | – |
| P/E (trailing) | 174.3 | 25.0 |
| Dividend yield | 0.00% | 9.51% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AFJK | NAT |
|---|---|---|
| 2022 | – | +87.9% |
| 2023 | – | +55.8% |
| 2024 | – | -33.6% |
| 2025 | +498.2% | +44.6% |
| 2026 | -80.9% | +111.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AFJK and NAT good diversifiers for each other?
Yes. With a correlation of -0.27, AFJK and NAT have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between AFJK and NAT?
The AFJK/NAT correlation stands at -0.27 on a 3-year window (1 year: -0.41, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is NAT a good diversifier for AFJK?
Yes. With a correlation of -0.27, AFJK and NAT have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.27 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/afjk-vs-nat.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/afjk-vs-nat/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: AFJK correlations · NAT correlations
