TDY vs XLO: Correlation
How closely do Teledyne Technologies (TDY) and Xilio Therapeutics, Inc. (XLO) trade together? Their weekly returns over three years give a correlation of -0.14, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are TDY and XLO?
Across a 3-year window, the weekly returns of TDY and XLO correlate at -0.14, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.07) sits close to the 3-year figure. Stretching to 5 years gives 0.05, with an annualized covariance of -299.0 %².
By 3-year correlation, XLO places #27 of the 35 assets tracked against TDY. Correlation aside, the last 12 months split them widely, with TDY ahead by 21.7 points (+15.7% versus -6.0%). Risk is not evenly split, since XLO carries 4.4 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.
TDY vs XLO: side by side
| TDY (Teledyne Technologies) | XLO (Xilio Therapeutics, Inc.) | |
|---|---|---|
| 1-year return | +15.7% | -6.0% |
| 5-year return | +36.5% | -96.0% |
| Volatility (ann.) | 22.0% | 96.4% |
| Beta vs S&P 500 | 0.76 | -0.07 |
| Max drawdown (3Y) | -18.8% | -82.8% |
| Market cap | $29.0B | $0.1B |
| P/E (trailing) | 30.7 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | Information Technology | US Listed |
Year-by-year returns
| Year | TDY | XLO |
|---|---|---|
| 2022 | -8.5% | -83.2% |
| 2023 | +11.6% | -79.6% |
| 2024 | +4.0% | +73.6% |
| 2025 | +10.0% | -33.0% |
| 2026 | +22.7% | +0.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are TDY and XLO good diversifiers for each other?
By historical standards, yes. A correlation of -0.14 means the two rarely move for the same reasons.
FAQ
What is the correlation between TDY and XLO?
The TDY/XLO correlation stands at -0.14 on a 3-year window (1 year: -0.07, 5 years: 0.05), computed from weekly returns as of 2026-08-27.
Is XLO a good diversifier for TDY?
By historical standards, yes. A correlation of -0.14 means the two rarely move for the same reasons.
What does a correlation of -0.14 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/tdy-vs-xlo.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/tdy-vs-xlo/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: TDY correlations · XLO correlations
