PairBook
HomeSFBS › SFBS vs SPY

SFBS vs SPY: Correlation

Measured on weekly returns over the past three years, ServisFirst Bancshares, Inc. (SFBS) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.41, a moderate link.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.41
moderate
Correlation (1Y)
0.10
last 12 months
Correlation (5Y)
0.36
long-run
Ann. covariance
200.9
%² · weekly, annualized

How correlated are SFBS and SPY?

Over the past 3 years, SFBS and SPY moved with a correlation of 0.41, which is moderate. The link has loosened recently: the 1-year correlation (0.10) runs below the 3-year figure (0.41). Over 5 years the correlation is 0.36, and the annualized covariance of weekly returns is 200.9 %².

SPY is close to the least connected end of SFBS's tracked universe, ranking #10 of 14. The last year tells two different stories: SPY led by 21.4 percentage points, -0.8% for SFBS against +20.6% for SPY. Note the risk asymmetry: SFBS runs 2.4 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.

SFBS vs SPY: side by side

SFBS (ServisFirst Bancshares, Inc.)SPY (SPDR S&P 500 ETF Trust)
1-year return-0.8%+20.6%
5-year return+29.4%+82.4%
Volatility (ann.)34.1%14.5%
Beta vs S&P 5000.961.00
Max drawdown (3Y)-30.4%-18.8%
Market cap$4.7B
P/E (trailing)14.7
Dividend yield1.70%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryUS ListedETF · US Large Cap
Higher yield: SFBS 1.70% vs 1.01%Smaller drawdown: SPY -18.8% vs -30.4%Higher 5y return: SPY +82.4% vs +29.4%

SPY is a Large Blend fund from State Street Investment Management: $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.

-19%0%+21%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. SFBS · SPY

Year-by-year returns

YearSFBSSPY
2022-17.9%-18.2%
2023-1.2%+26.2%
2024+28.8%+24.9%
2025-13.9%+17.7%
2026+22.1%+13.7%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are SFBS and SPY good diversifiers for each other?

A fair diversifier. At 0.41, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between SFBS and SPY?

The SFBS/SPY correlation stands at 0.41 on a 3-year window (1 year: 0.10, 5 years: 0.36), computed from weekly returns as of 2026-08-27.

Is SPY a good diversifier for SFBS?

A fair diversifier. At 0.41, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.41 mean?

A reading of 0.41 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

Use this data

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/sfbs-vs-spy.json

SFBS vs SPY: 3-year weekly correlation 0.41SFBS vs SPY0.41

Embed this badge (it refreshes with the data), with attribution:

[![SFBS vs SPY correlation](https://www.pairbook.io/api/v1/badge/sfbs-vs-spy.svg)](https://www.pairbook.io/pair/sfbs-vs-spy/)

Free with attribution; caching and terms are described in the API documentation.

Related comparisons

Hubs: SFBS correlations · SPY correlations