CSX Corporation vs Union Pacific Corporation
Prices at close . Model readings .
CSX Corporation
$51.98−0.55%- Market value
- $96.32B
- P/E
- 26.5
- 1 year
- +45.8%
Union Pacific Corporation
$297.80−0.69%- Market value
- $177.04B
- P/E
- 21.8
- 1 year
- +38.7%
Price change, with the S&P 500 as a benchmark
Percent change in each close since the start of the chosen range, for both companies and the S&P 500 (SPY). Daily closes over the last year, weekly before that and monthly before five years.
How the two compare
On the latest closes (28 Oct 2026), Union Pacific Corporation is the larger company by market value ($177.04B against $96.32B). Over the past year CSX Corporation returned +45.8% and Union Pacific Corporation +38.7%, while the S&P 500 returned +12.7%. The latest filed P/E is 26.5 for CSX Corporation and 21.8 for Union Pacific Corporation, and the operating margin 39.1% against 40.9%. Over the next 21 sessions the model expects +0.22% for CSX Corporation, with a 58% chance of a rise, and +0.15% for Union Pacific Corporation, with a 54% chance. CSX Corporation's long-run fair value is $48.84, a gap of −6% to its price; the long-run model view is neutral. Union Pacific Corporation's long-run fair value is $224.59, a gap of −24.6% to its price; the long-run model view is negative.
What the model expects
Expected returns and the chance of a rise from our forecasting models, and the long-run fair value against the price. Readings, not advice.
How the prices moved
Price change over each period, with the S&P 500 (SPY) for comparison.
What the market pays
Size and the multiples from the latest filed quarter. A P/E on losses reads n/m.
How much of revenue becomes profit
Margins and returns on capital from the latest filing; revenue, net income and earnings per share over the trailing twelve months.
How fast the business grew
Change against the same quarter a year earlier.
Balance sheet and quality scores
Leverage, liquidity and two published scores: Altman Z (below 1.8 the distress zone, above 3 the safe zone) and Piotroski F (0 to 9).
How the shares trade
Volatility, sensitivity to the market, the deepest fall, short interest and how closely the two move together.
CSX Corporation or Union Pacific Corporation: common questions
Which is larger by market value, CSX Corporation or Union Pacific Corporation?
Union Pacific Corporation, at $177.04B against $96.32B for CSX Corporation, on the latest closes (28 Oct 2026).
Which has the higher P/E ratio, CSX Corporation or Union Pacific Corporation?
CSX Corporation has the higher latest filed P/E, 26.5; Union Pacific Corporation's is 21.8. Filings: quarter to 30 Sep 2026.
How did CSX Corporation and Union Pacific Corporation move over the past year against the S&P 500?
Over the past year CSX Corporation returned +45.8% and Union Pacific Corporation +38.7%, while the S&P 500 returned +12.7%. Prices at close 28 Oct 2026.
What does the model expect for CSX Corporation and Union Pacific Corporation over the next month?
+0.22% for CSX Corporation with a 58% chance of a rise, and +0.15% for Union Pacific Corporation with a 54% chance, over the next 21 sessions. Model readings 28 Oct 2026. These are model readings, not advice.
How do the operating margins of CSX Corporation and Union Pacific Corporation compare?
The operating margin is 39.1% for CSX Corporation and 40.9% for Union Pacific Corporation. Filings: quarter to 30 Sep 2026.
Do CSX Corporation and Union Pacific Corporation shares move together?
Over the past year the correlation of their daily returns was 0.79 (often together); 1 means they always move together, 0 unrelated, −1 opposite. Prices at close 28 Oct 2026.
Model readings are research estimates, not investment advice. Prices: daily closes. Fundamentals: the latest SEC filings. Short interest: FINRA, settlement 30 Sep 2026. A dash means the figure is not in our data; it is never shown as zero. The model view follows a published rule: next month by the sign of the expected return, the long run positive at a fair value 10% or more above the price and negative at 10% or more below it.