C vs FNB: Correlation
How closely do Citigroup (C) and F.N.B. Corporation (FNB) trade together? Their weekly returns over three years give a correlation of 0.73, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are C and FNB?
Over the past 3 years, C and FNB moved with a correlation of 0.73, which is strong. The relationship has been stable: the 1-year correlation (0.63) sits close to the 3-year figure. Over 5 years the correlation is 0.68, and the annualized covariance of weekly returns is 607.0 %².
By 3-year correlation, FNB places #12 of the 33 assets tracked against C. Their recent paths diverged sharply: over the last 12 months C outperformed by 26.5 percentage points (+39.9% for C against +13.4% for FNB).
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.
C vs FNB: side by side
| C (Citigroup) | FNB (F.N.B. Corporation) | |
|---|---|---|
| 1-year return | +39.9% | +13.4% |
| 5-year return | +119.6% | +91.1% |
| Volatility (ann.) | 30.3% | 27.4% |
| Beta vs S&P 500 | 1.39 | 1.03 |
| Max drawdown (3Y) | -31.3% | -32.6% |
| Market cap | $222.6B | $6.6B |
| P/E (trailing) | 14.4 | 11.0 |
| Dividend yield | 1.80% | 2.65% |
| Sector / category | Financials | US Listed |
Year-by-year returns
| Year | C | FNB |
|---|---|---|
| 2022 | -22.1% | +11.7% |
| 2023 | +19.0% | +9.8% |
| 2024 | +41.9% | +11.0% |
| 2025 | +70.4% | +19.4% |
| 2026 | +15.4% | +9.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are C and FNB good diversifiers for each other?
Somewhat, no more. With 0.73 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between C and FNB?
Using weekly returns as of 2026-08-27: 0.73 over 3 years, with 0.63 over the last year and 0.68 over 5 years.
Is FNB a good diversifier for C?
Somewhat, no more. With 0.73 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.73 mean?
On the −1 to +1 scale, 0.73 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/c-vs-fnb.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/c-vs-fnb/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: C correlations · FNB correlations
