LTRX vs SPY: Correlation
Measured on weekly returns over the past three years, Lantronix, Inc. (LTRX) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.24, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are LTRX and SPY?
Across a 3-year window, the weekly returns of LTRX and SPY correlate at 0.24, weak. Lately the two have moved closer together, with the 1-year correlation at 0.45 versus 0.24 over 3 years. Stretching to 5 years gives 0.34, with an annualized covariance of 233.9 %².
SPY is close to the least connected end of LTRX's tracked universe, ranking #7 of 11. Their recent paths diverged sharply: over the last 12 months LTRX outperformed by 41.9 percentage points (+62.5% for LTRX against +20.6% for SPY). One caveat on sizing: LTRX is 4.7 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.
LTRX vs SPY: side by side
| LTRX (Lantronix, Inc.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | +62.5% | +20.6% |
| 5-year return | +0.0% | +82.4% |
| Volatility (ann.) | 68.2% | 14.5% |
| Beta vs S&P 500 | 1.12 | 1.00 |
| Max drawdown (3Y) | -71.7% | -18.8% |
| Market cap | $0.3B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 1.01% |
| Expense ratio | – | 0.09% |
| Assets under management | – | $795.3B |
| Sector / category | US Listed | ETF · US Large Cap |
SPY is a Large Blend fund from State Street Investment Management: $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.
Year-by-year returns
| Year | LTRX | SPY |
|---|---|---|
| 2022 | -44.8% | -18.2% |
| 2023 | +35.6% | +26.2% |
| 2024 | -29.7% | +24.9% |
| 2025 | +42.2% | +17.7% |
| 2026 | +2.9% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are LTRX and SPY good diversifiers for each other?
Reasonably. At 0.24, LTRX and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between LTRX and SPY?
Using weekly returns as of 2026-08-27: 0.24 over 3 years, with 0.45 over the last year and 0.34 over 5 years.
Is SPY a good diversifier for LTRX?
Reasonably. At 0.24, LTRX and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.24 mean?
A reading of 0.24 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: LTRX correlations · SPY correlations
