NSC vs TCRT: Correlation
How closely do Norfolk Southern (NSC) and Alaunos Therapeutics, Inc. (TCRT) trade together? Their weekly returns over three years give a correlation of -0.20, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NSC and TCRT?
Across a 3-year window, the weekly returns of NSC and TCRT correlate at -0.20, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.20 lands near the 3-year figure. Stretching to 5 years gives -0.08, with an annualized covariance of -546.7 %².
TCRT is close to the least connected end of NSC's tracked universe, ranking #29 of 32. The last year tells two different stories: NSC led by 42.2 percentage points, +30.0% for NSC against -12.2% for TCRT. Risk is not evenly split, since TCRT carries 5.5 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.
NSC vs TCRT: side by side
| NSC (Norfolk Southern) | TCRT (Alaunos Therapeutics, Inc.) | |
|---|---|---|
| 1-year return | +30.0% | -12.2% |
| 5-year return | +49.6% | -99.3% |
| Volatility (ann.) | 22.0% | 121.9% |
| Beta vs S&P 500 | 0.69 | -1.11 |
| Max drawdown (3Y) | -25.1% | -95.0% |
| Market cap | $78.1B | – |
| P/E (trailing) | 30.1 | – |
| Dividend yield | 1.53% | 0.00% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | NSC | TCRT |
|---|---|---|
| 2022 | -15.6% | -40.4% |
| 2023 | -1.6% | -89.2% |
| 2024 | +1.6% | -81.8% |
| 2025 | +25.6% | +69.1% |
| 2026 | +22.0% | -48.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NSC and TCRT good diversifiers for each other?
By historical standards, yes. A correlation of -0.20 means the two rarely move for the same reasons.
FAQ
What is the correlation between NSC and TCRT?
The NSC/TCRT correlation stands at -0.20 on a 3-year window (1 year: -0.20, 5 years: -0.08), computed from weekly returns as of 2026-08-27.
Is TCRT a good diversifier for NSC?
By historical standards, yes. A correlation of -0.20 means the two rarely move for the same reasons.
What does a correlation of -0.20 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/nsc-vs-tcrt.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/nsc-vs-tcrt/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: NSC correlations · TCRT correlations
