BYRN vs KRUS: Correlation
Measured on weekly returns over the past three years, Byrna Technologies, Inc. (BYRN) and Kura Sushi USA, Inc. (KRUS) carry a correlation of 0.36, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BYRN and KRUS?
On 3 years of weekly data the BYRN/KRUS correlation comes out at 0.36, moderate. The relationship has been stable: the 1-year correlation (0.36) sits close to the 3-year figure. The 5-year figure is 0.28, and annualized covariance runs at 2161.6 %².
By 3-year correlation, KRUS places #4 of the 10 assets tracked against BYRN. The last year tells two different stories: KRUS led by 39.3 percentage points, -82.2% for BYRN against -42.9% for KRUS.
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.
BYRN vs KRUS: side by side
| BYRN (Byrna Technologies, Inc.) | KRUS (Kura Sushi USA, Inc.) | |
|---|---|---|
| 1-year return | -82.2% | -42.9% |
| 5-year return | -87.6% | -8.8% |
| Volatility (ann.) | 87.2% | 69.0% |
| Beta vs S&P 500 | 1.40 | 1.57 |
| Max drawdown (3Y) | -90.7% | -65.4% |
| Market cap | $0.1B | $0.6B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BYRN | KRUS |
|---|---|---|
| 2022 | -41.3% | -41.0% |
| 2023 | -18.5% | +59.4% |
| 2024 | +350.9% | +19.2% |
| 2025 | -41.7% | -42.2% |
| 2026 | -78.6% | -11.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BYRN and KRUS good diversifiers for each other?
Reasonably. At 0.36, BYRN and KRUS keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between BYRN and KRUS?
As of 2026-08-27, the correlation of weekly returns between BYRN and KRUS is 0.36 over 3 years, 0.36 over 1 year and 0.28 over 5 years.
Is KRUS a good diversifier for BYRN?
Reasonably. At 0.36, BYRN and KRUS keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.36 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/byrn-vs-krus.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/byrn-vs-krus/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: BYRN correlations · KRUS correlations
