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QNST vs SPY: Correlation

QuinStreet, Inc. (QNST) and SPDR S&P 500 ETF Trust (SPY) show a moderate relationship: their 3-year correlation of weekly returns is 0.37.

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

Correlation (3Y)
0.37
moderate
Correlation (1Y)
0.44
last 12 months
Correlation (5Y)
0.31
long-run
Ann. covariance
253.9
%² · weekly, annualized

How correlated are QNST and SPY?

Over the past 3 years, QNST and SPY moved with a correlation of 0.37, which is moderate. Little has changed lately, as the 1-year reading of 0.44 lands near the 3-year figure. Over 5 years the correlation is 0.31, and the annualized covariance of weekly returns is 253.9 %².

SPY is close to the least connected end of QNST's tracked universe, ranking #11 of 15. Their 12-month results are close: +21.4% for QNST against +20.6% for SPY. Risk is not evenly split, since QNST carries 3.3 times the volatility of the other side.

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.

QNST vs SPY: side by side

QNST (QuinStreet, Inc.)SPY (SPDR S&P 500 ETF Trust)
1-year return+21.4%+20.6%
5-year return+6.2%+82.4%
Volatility (ann.)47.9%14.5%
Beta vs S&P 5001.221.00
Max drawdown (3Y)-58.0%-18.8%
Market cap$1.1B
P/E (trailing)14.1
Dividend yield0.00%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryUS ListedETF · US Large Cap
Higher yield: SPY 1.01% vs 0.00%Smaller drawdown: SPY -18.8% vs -58.0%Higher 5y return: SPY +82.4% vs +6.2%

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.

-30%0%+32%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. QNST · SPY

Year-by-year returns

YearQNSTSPY
2022-21.1%-18.2%
2023-10.7%+26.2%
2024+80.0%+24.9%
2025-37.7%+17.7%
2026+31.5%+13.7%

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

Are QNST and SPY good diversifiers for each other?

Reasonably. At 0.37, QNST and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between QNST and SPY?

Using weekly returns as of 2026-08-27: 0.37 over 3 years, with 0.44 over the last year and 0.31 over 5 years.

Is SPY a good diversifier for QNST?

Reasonably. At 0.37, QNST and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.37 mean?

A reading of 0.37 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

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QNST vs SPY: 3-year weekly correlation 0.37QNST vs SPY0.37

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Hubs: QNST correlations · SPY correlations