ODFL vs TLSA: Correlation
How closely do Old Dominion (ODFL) and Tiziana Life Sciences Ltd (TLSA) trade together? Their weekly returns over three years give a correlation of -0.18, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ODFL and TLSA?
Across a 3-year window, the weekly returns of ODFL and TLSA correlate at -0.18, negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.34) than the 3-year average (-0.18). Stretching to 5 years gives -0.07, with an annualized covariance of -572.9 %².
By 3-year correlation, TLSA places #31 of the 36 assets tracked against ODFL. The last year tells two different stories: ODFL led by 72.5 percentage points, +30.9% for ODFL against -41.6% for TLSA. Note the risk asymmetry: TLSA runs 2.7 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
ODFL vs TLSA: side by side
| ODFL (Old Dominion) | TLSA (Tiziana Life Sciences Ltd) | |
|---|---|---|
| 1-year return | +30.9% | -41.6% |
| 5-year return | +39.6% | -31.6% |
| Volatility (ann.) | 34.7% | 92.1% |
| Beta vs S&P 500 | 0.98 | -0.48 |
| Max drawdown (3Y) | -45.2% | -64.4% |
| Market cap | $41.6B | $0.1B |
| P/E (trailing) | 38.3 | – |
| Dividend yield | 0.57% | 0.00% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | ODFL | TLSA |
|---|---|---|
| 2022 | -20.5% | -37.5% |
| 2023 | +43.5% | -6.7% |
| 2024 | -12.5% | +25.0% |
| 2025 | -10.5% | +112.9% |
| 2026 | +27.9% | -27.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ODFL and TLSA good diversifiers for each other?
By historical standards, yes. A correlation of -0.18 means the two rarely move for the same reasons.
FAQ
What is the correlation between ODFL and TLSA?
As of 2026-08-27, the correlation of weekly returns between ODFL and TLSA is -0.18 over 3 years, -0.34 over 1 year and -0.07 over 5 years.
Is TLSA a good diversifier for ODFL?
By historical standards, yes. A correlation of -0.18 means the two rarely move for the same reasons.
What does a correlation of -0.18 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/odfl-vs-tlsa.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/odfl-vs-tlsa/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ODFL correlations · TLSA correlations
