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IEX vs VTV: Correlation

How closely do IDEX Corporation (IEX) and Vanguard Value ETF (VTV) trade together? Their weekly returns over three years give a correlation of 0.68, which is strong.

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

Correlation (3Y)
0.68
strong
Correlation (1Y)
0.58
last 12 months
Correlation (5Y)
0.66
long-run
Ann. covariance
188.6
%² · weekly, annualized

How correlated are IEX and VTV?

On 3 years of weekly data the IEX/VTV correlation comes out at 0.68, strong. The link has loosened recently: the 1-year correlation (0.58) runs below the 3-year figure (0.68). The 5-year figure is 0.66, and annualized covariance runs at 188.6 %².

Among the 40 assets we track against IEX, VTV ranks #7 by 3-year correlation. The last year tells two different stories: IEX led by 17.3 percentage points, +43.0% for IEX against +25.7% for VTV. The link looks structural: the rolling one-year correlation barely moved, holding between 0.55 and 0.76. Note the risk asymmetry: IEX runs 2.0 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

+1.0+0.50-0.5-1.020232026-08-27
One-year correlation, rolled weekly across the last three years.
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.

IEX vs VTV: side by side

IEX (IDEX Corporation)VTV (Vanguard Value ETF)
1-year return+43.0%+25.7%
5-year return+10.5%+79.1%
Volatility (ann.)23.3%11.9%
Beta vs S&P 5000.890.65
Max drawdown (3Y)-34.6%-14.5%
Market cap$17.2B
P/E (trailing)33.8
Dividend yield1.23%1.86%
Expense ratio0.03%
Assets under management$256.4B
Sector / categoryIndustrialsETF · US Style
Higher yield: VTV 1.86% vs 1.23%Smaller drawdown: VTV -14.5% vs -34.6%Higher 5y return: VTV +79.1% vs +10.5%

On the fund side, VTV sits in the Large Value category at Vanguard, with $256.4B under management, 308 holdings, a 0.03% expense ratio, a 1.86% trailing dividend yield.

-3%0%+47%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). IEX · VTV

Year-by-year returns

YearIEXVTV
2022-2.2%-2.1%
2023-3.8%+9.3%
2024-2.4%+16.0%
2025-13.7%+15.3%
2026+32.9%+19.3%

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

Are IEX and VTV good diversifiers for each other?

Only partially. A correlation of 0.68 means IEX and VTV share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

FAQ

What is the correlation between IEX and VTV?

As of 2026-08-27, the correlation of weekly returns between IEX and VTV is 0.68 over 3 years, 0.58 over 1 year and 0.66 over 5 years.

Is VTV a good diversifier for IEX?

Only partially. A correlation of 0.68 means IEX and VTV share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.68 mean?

On the −1 to +1 scale, 0.68 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.

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IEX vs VTV: 3-year weekly correlation 0.68IEX vs VTV0.68

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Hubs: IEX correlations · VTV correlations