PairBook
HomeG › G vs SPY

G vs SPY: Correlation

How closely do Genpact Limited (G) and SPDR S&P 500 ETF Trust (SPY) trade together? Their weekly returns over three years give a correlation of 0.26, which is weak.

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

Correlation (3Y)
0.26
weak
Correlation (1Y)
-0.01
last 12 months
Correlation (5Y)
0.37
long-run
Ann. covariance
127.4
%² · weekly, annualized

How correlated are G and SPY?

Across a 3-year window, the weekly returns of G and SPY correlate at 0.26, weak. The link has loosened recently: the 1-year correlation (-0.01) runs below the 3-year figure (0.26). Stretching to 5 years gives 0.37, with an annualized covariance of 127.4 %².

Out of 13 assets tracked against G, SPY lands near the bottom at #9. Correlation aside, the last 12 months split them widely, with SPY ahead by 36.7 points (-16.1% versus +20.6%). Note the risk asymmetry: G runs 2.3 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.

G vs SPY: side by side

G (Genpact Limited)SPY (SPDR S&P 500 ETF Trust)
1-year return-16.1%+20.6%
5-year return-22.8%+82.4%
Volatility (ann.)34.0%14.5%
Beta vs S&P 5000.611.00
Max drawdown (3Y)-49.4%-18.8%
Market cap$6.3B
P/E (trailing)11.0
Dividend yield1.94%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryUS ListedETF · US Large Cap
Higher yield: G 1.94% vs 1.01%Smaller drawdown: SPY -18.8% vs -49.4%Higher 5y return: SPY +82.4% vs -22.8%

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.

-36%0%+21%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. G · SPY

Year-by-year returns

YearGSPY
2022-11.7%-18.2%
2023-24.0%+26.2%
2024+25.8%+24.9%
2025+10.2%+17.7%
2026-18.9%+13.7%

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

Are G and SPY good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.26 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between G and SPY?

Using weekly returns as of 2026-08-27: 0.26 over 3 years, with -0.01 over the last year and 0.37 over 5 years.

Is SPY a good diversifier for G?

Yes, to a useful degree: a correlation of 0.26 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.26 mean?

On the −1 to +1 scale, 0.26 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

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

G vs SPY: 3-year weekly correlation 0.26G vs SPY0.26

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

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

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

Related comparisons

Hubs: G correlations · SPY correlations