COF vs SYF: Correlation
How closely do Capital One (COF) and Synchrony Financial (SYF) trade together? Their weekly returns over three years give a correlation of 0.82, which is very strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are COF and SYF?
Over the past 3 years, COF and SYF moved with a correlation of 0.82, which is very strong, meaning they move nearly in lockstep. The relationship has been stable: the 1-year correlation (0.82) sits close to the 3-year figure. Over 5 years the correlation is 0.85, and the annualized covariance of weekly returns is 791.7 %².
In COF's tracked universe of 29 assets, SYF sits right near the top at #1. Over the last 12 months SYF came out ahead by 9.3 percentage points (-2.0% against +7.3%). Stability stands out here, with the rolling one-year correlation confined to 0.73 through 0.91.
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.
COF vs SYF: side by side
| COF (Capital One) | SYF (Synchrony Financial) | |
|---|---|---|
| 1-year return | -2.0% | +7.3% |
| 5-year return | +43.2% | +81.0% |
| Volatility (ann.) | 30.6% | 31.6% |
| Beta vs S&P 500 | 1.28 | 1.28 |
| Max drawdown (3Y) | -31.5% | -37.7% |
| Market cap | $132.9B | $26.0B |
| P/E (trailing) | 12.0 | 8.2 |
| Dividend yield | 1.38% | 1.50% |
| Sector / category | Financials | Financials |
Year-by-year returns
| Year | COF | SYF |
|---|---|---|
| 2022 | -34.6% | -27.4% |
| 2023 | +44.3% | +19.8% |
| 2024 | +38.2% | +74.0% |
| 2025 | +37.6% | +30.6% |
| 2026 | -9.6% | -3.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are COF and SYF good diversifiers for each other?
No. With a correlation of 0.82, COF and SYF move nearly in lockstep, so holding both adds very little diversification.
FAQ
What is the correlation between COF and SYF?
The COF/SYF correlation stands at 0.82 on a 3-year window (1 year: 0.82, 5 years: 0.85), computed from weekly returns as of 2026-08-27.
Is SYF a good diversifier for COF?
No. With a correlation of 0.82, COF and SYF move nearly in lockstep, so holding both adds very little diversification.
What does a correlation of 0.82 mean?
On the −1 to +1 scale, 0.82 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/cof-vs-syf.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/cof-vs-syf/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: COF correlations · SYF correlations
