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CNET vs SPY: Correlation

How closely do ZW Data Action Technologies Inc. (CNET) and SPDR S&P 500 ETF Trust (SPY) trade together? Their weekly returns over three years give a correlation of 0.20, which is weak.

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

Correlation (3Y)
0.20
weak
Correlation (1Y)
0.26
last 12 months
Correlation (5Y)
0.22
long-run
Ann. covariance
305.1
%² · weekly, annualized

How correlated are CNET and SPY?

Across a 3-year window, the weekly returns of CNET and SPY correlate at 0.20, weak. Little has changed lately, as the 1-year reading of 0.26 lands near the 3-year figure. Stretching to 5 years gives 0.22, with an annualized covariance of 305.1 %².

Out of 11 assets tracked against CNET, SPY lands near the bottom at #7. The last year tells two different stories: SPY led by 24.6 percentage points, -4.0% for CNET against +20.6% for SPY. Risk is not evenly split, since CNET carries 7.2 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.

CNET vs SPY: side by side

CNET (ZW Data Action Technologies Inc.)SPY (SPDR S&P 500 ETF Trust)
1-year return-4.0%+20.6%
5-year return-94.9%+82.4%
Volatility (ann.)104.7%14.5%
Beta vs S&P 5001.461.00
Max drawdown (3Y)-85.2%-18.8%
Market cap
P/E (trailing)
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 -85.2%Higher 5y return: SPY +82.4% vs -94.9%

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.

-56%0%+68%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. CNET · SPY

Year-by-year returns

YearCNETSPY
2022-54.0%-18.2%
2023-63.9%+26.2%
2024-45.8%+24.9%
2025-24.4%+17.7%
2026+6.6%+13.7%

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

Are CNET and SPY good diversifiers for each other?

A fair diversifier. At 0.20, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between CNET and SPY?

Using weekly returns as of 2026-08-27: 0.20 over 3 years, with 0.26 over the last year and 0.22 over 5 years.

Is SPY a good diversifier for CNET?

A fair diversifier. At 0.20, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.20 mean?

A reading of 0.20 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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CNET vs SPY: 3-year weekly correlation 0.20CNET vs SPY0.20

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Hubs: CNET correlations · SPY correlations