CSX vs SER: Correlation
How closely do CSX Corporation (CSX) and Serina Therapeutics, Inc. (SER) 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 CSX and SER?
On 3 years of weekly data the CSX/SER correlation comes out at -0.20, negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.21 over 1 year against -0.20 over 3. The 5-year figure is -0.04, and annualized covariance runs at -377.1 %².
Among the 30 assets we track against CSX, SER sits near the bottom by co-movement, at rank #28. Correlation aside, the last 12 months split them widely, with CSX ahead by 110.1 points (+60.6% versus -49.5%). Note the risk asymmetry: SER runs 5.0 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.
CSX vs SER: side by side
| CSX (CSX Corporation) | SER (Serina Therapeutics, Inc.) | |
|---|---|---|
| 1-year return | +60.6% | -49.5% |
| 5-year return | +66.2% | -93.1% |
| Volatility (ann.) | 19.7% | 98.4% |
| Beta vs S&P 500 | 0.62 | -0.30 |
| Max drawdown (3Y) | -29.4% | -95.5% |
| Market cap | $95.5B | $0.1B |
| P/E (trailing) | 30.1 | – |
| Dividend yield | 1.04% | 0.00% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | CSX | SER |
|---|---|---|
| 2022 | -16.6% | -49.4% |
| 2023 | +13.5% | -30.3% |
| 2024 | -5.6% | -63.6% |
| 2025 | +14.1% | -61.8% |
| 2026 | +43.1% | +31.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CSX and SER good diversifiers for each other?
Yes: at -0.20, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between CSX and SER?
As of 2026-08-27, the correlation of weekly returns between CSX and SER is -0.20 over 3 years, -0.21 over 1 year and -0.04 over 5 years.
Is SER a good diversifier for CSX?
Yes: at -0.20, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.20 mean?
On the −1 to +1 scale, -0.20 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
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Related comparisons
Hubs: CSX correlations · SER correlations
