RELL vs TYL: Correlation
How closely do Richardson Electronics, Ltd. (RELL) and Tyler Technologies (TYL) trade together? Their weekly returns over three years give a correlation of -0.26, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RELL and TYL?
On 3 years of weekly data the RELL/TYL correlation comes out at -0.26, negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.56) than the 3-year average (-0.26). The 5-year figure is 0.03, and annualized covariance runs at -327.1 %².
TYL is close to the least connected end of RELL's tracked universe, ranking #9 of 11. The last year tells two different stories: RELL led by 119.6 percentage points, +85.6% for RELL against -34.0% for TYL.
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.
RELL vs TYL: side by side
| RELL (Richardson Electronics, Ltd.) | TYL (Tyler Technologies) | |
|---|---|---|
| 1-year return | +85.6% | -34.0% |
| 5-year return | +131.1% | -22.5% |
| Volatility (ann.) | 42.1% | 29.6% |
| Beta vs S&P 500 | 0.78 | 0.61 |
| Max drawdown (3Y) | -45.1% | -57.4% |
| Market cap | $0.3B | $15.1B |
| P/E (trailing) | 40.0 | 46.3 |
| Dividend yield | 1.35% | 0.00% |
| Sector / category | US Listed | Information Technology |
Year-by-year returns
| Year | RELL | TYL |
|---|---|---|
| 2022 | +60.3% | -40.1% |
| 2023 | -36.4% | +29.7% |
| 2024 | +7.4% | +37.9% |
| 2025 | -20.6% | -21.3% |
| 2026 | +67.4% | -18.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RELL and TYL good diversifiers for each other?
By historical standards, yes. A correlation of -0.26 means the two rarely move for the same reasons.
FAQ
What is the correlation between RELL and TYL?
The RELL/TYL correlation stands at -0.26 on a 3-year window (1 year: -0.56, 5 years: 0.03), computed from weekly returns as of 2026-08-27.
Is TYL a good diversifier for RELL?
By historical standards, yes. A correlation of -0.26 means the two rarely move for the same reasons.
What does a correlation of -0.26 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/rell-vs-tyl.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/rell-vs-tyl/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: RELL correlations · TYL correlations
