KRUS vs MDY: Correlation
Measured on weekly returns over the past three years, Kura Sushi USA, Inc. (KRUS) and SPDR S&P MidCap 400 ETF (MDY) carry a correlation of 0.47, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are KRUS and MDY?
Across a 3-year window, the weekly returns of KRUS and MDY correlate at 0.47, moderate. The past 12 months show a tighter link (0.59) than the 3-year average (0.47). Stretching to 5 years gives 0.46, with an annualized covariance of 538.2 %².
MDY is one of the assets that tracks KRUS most closely: it ranks #3 out of the 13 assets we track against KRUS. Their recent paths diverged sharply: over the last 12 months MDY outperformed by 61.2 percentage points (-42.9% for KRUS against +18.3% for MDY). Risk is not evenly split, since KRUS carries 4.2 times the volatility of the other side.
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.
KRUS vs MDY: side by side
| KRUS (Kura Sushi USA, Inc.) | MDY (SPDR S&P MidCap 400 ETF) | |
|---|---|---|
| 1-year return | -42.9% | +18.3% |
| 5-year return | -8.8% | +47.5% |
| Volatility (ann.) | 69.0% | 16.5% |
| Beta vs S&P 500 | 1.57 | 0.91 |
| Max drawdown (3Y) | -65.4% | -24.0% |
| Market cap | $0.6B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 1.02% |
| Expense ratio | – | 0.23% |
| Assets under management | – | $26.5B |
| Sector / category | US Listed | ETF · US Small & Mid Cap |
MDY, State Street Investment Management's Mid-Cap Blend fund, carries $26.5B under management, 400 holdings, a 0.23% expense ratio, a 1.02% trailing dividend yield.
Year-by-year returns
| Year | KRUS | MDY |
|---|---|---|
| 2022 | -41.0% | -13.3% |
| 2023 | +59.4% | +16.1% |
| 2024 | +19.2% | +13.6% |
| 2025 | -42.2% | +7.2% |
| 2026 | -11.6% | +16.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are KRUS and MDY good diversifiers for each other?
Reasonably. At 0.47, KRUS and MDY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between KRUS and MDY?
Using weekly returns as of 2026-08-27: 0.47 over 3 years, with 0.59 over the last year and 0.46 over 5 years.
Is MDY a good diversifier for KRUS?
Reasonably. At 0.47, KRUS and MDY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.47 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.
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Related comparisons
Hubs: KRUS correlations · MDY correlations
