JETS vs KRMD: Correlation
How closely do US Global Jets ETF (JETS) and KORU Medical Systems, Inc. (KRMD) trade together? Their weekly returns over three years give a correlation of 0.38, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are JETS and KRMD?
Over the past 3 years, JETS and KRMD moved with a correlation of 0.38, which is moderate. The relationship has been stable: the 1-year correlation (0.33) sits close to the 3-year figure. Over 5 years the correlation is 0.36, and the annualized covariance of weekly returns is 536.6 %².
By 3-year correlation, KRMD places #44 of the 54 assets tracked against JETS. Correlation aside, the last 12 months split them widely, with JETS ahead by 37.9 points (+13.2% versus -24.7%). One caveat on sizing: KRMD is 1.7 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.
JETS vs KRMD: side by side
| JETS (US Global Jets ETF) | KRMD (KORU Medical Systems, Inc.) | |
|---|---|---|
| 1-year return | +13.2% | -24.7% |
| 5-year return | +30.9% | -0.3% |
| Volatility (ann.) | 29.2% | 48.9% |
| Beta vs S&P 500 | 1.16 | 0.80 |
| Max drawdown (3Y) | -35.2% | -58.0% |
| Market cap | – | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | – | 0.00% |
| Sector / category | ETF · Thematic | US Listed |
Year-by-year returns
| Year | JETS | KRMD |
|---|---|---|
| 2022 | -19.0% | +19.0% |
| 2023 | +11.4% | -31.2% |
| 2024 | +33.2% | +56.8% |
| 2025 | +11.6% | +50.9% |
| 2026 | +4.6% | -44.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are JETS and KRMD good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.38 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between JETS and KRMD?
The JETS/KRMD correlation stands at 0.38 on a 3-year window (1 year: 0.33, 5 years: 0.36), computed from weekly returns as of 2026-08-27.
Is KRMD a good diversifier for JETS?
Yes, to a useful degree: a correlation of 0.38 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.38 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/jets-vs-krmd.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/jets-vs-krmd/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: JETS correlations · KRMD correlations
