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SPY vs TW: Correlation

SPDR S&P 500 ETF Trust (SPY) and Tradeweb Markets Inc. (TW) show a weak relationship: their 3-year correlation of weekly returns is 0.25.

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

Correlation (3Y)
0.25
weak
Correlation (1Y)
0.12
last 12 months
Correlation (5Y)
0.41
long-run
Ann. covariance
82.0
%² · weekly, annualized

How correlated are SPY and TW?

Across a 3-year window, the weekly returns of SPY and TW correlate at 0.25, weak. The link has loosened recently: the 1-year correlation (0.12) runs below the 3-year figure (0.25). Stretching to 5 years gives 0.41, with an annualized covariance of 82.0 %².

Among the 4755 assets we track against SPY, TW ranks #2778 by 3-year correlation. The last year tells two different stories: SPY led by 34.5 percentage points, +20.6% for SPY against -13.9% for TW. One caveat on sizing: TW is 1.6 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

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.

SPY vs TW: side by side

SPY (SPDR S&P 500 ETF Trust)TW (Tradeweb Markets Inc.)
1-year return+20.6%-13.9%
5-year return+82.4%+24.2%
Volatility (ann.)14.5%23.1%
Beta vs S&P 5001.000.39
Max drawdown (3Y)-18.8%-38.3%
Market cap$23.4B
P/E (trailing)25.6
Dividend yield1.01%0.48%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryETF · US Large CapUS Listed
Higher yield: SPY 1.01% vs 0.48%Smaller drawdown: SPY -18.8% vs -38.3%Higher 5y return: SPY +82.4% vs +24.2%

On the fund side, SPY sits in the Large Blend category at State Street Investment Management, with $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.

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

Year-by-year returns

YearSPYTW
2022-18.2%-34.9%
2023+26.2%+40.6%
2024+24.9%+44.6%
2025+17.7%-17.5%
2026+13.7%+0.8%

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

Are SPY and TW good diversifiers for each other?

A fair diversifier. At 0.25, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between SPY and TW?

The SPY/TW correlation stands at 0.25 on a 3-year window (1 year: 0.12, 5 years: 0.41), computed from weekly returns as of 2026-08-27.

Is TW a good diversifier for SPY?

A fair diversifier. At 0.25, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.25 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

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SPY vs TW: 3-year weekly correlation 0.25SPY vs TW0.25

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Hubs: SPY correlations · TW correlations