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IEFA vs QQQ: Correlation & Overlap

How closely do iShares Core MSCI EAFE ETF (IEFA) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.66, which is strong. Looking through to holdings, 1.3% of the two portfolios is the same by weight.

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

Correlation (3Y)
0.66
strong
Correlation (1Y)
0.61
last 12 months
Correlation (5Y)
0.70
long-run
Holdings overlap
1.3%
7 common holdings

How correlated are IEFA and QQQ?

Over the past 3 years, IEFA and QQQ moved with a correlation of 0.66, which is strong. The relationship has been stable: the 1-year correlation (0.61) sits close to the 3-year figure. Over 5 years the correlation is 0.70, and the annualized covariance of weekly returns is 192.7 %².

By 3-year correlation, QQQ places #45 of the 111 assets tracked against IEFA. Twelve-month performance is nearly a tie, at +21.8% for IEFA and +26.3% for QQQ. The rolling one-year correlation stayed in a tight band between 0.56 and 0.74 over the past three years, which points to a structural rather than episodic relationship.

+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.

IEFA vs QQQ: side by side

IEFA (iShares Core MSCI EAFE ETF)QQQ (Invesco QQQ Trust)
1-year return+21.8%+26.3%
5-year return+54.5%+95.4%
Volatility (ann.)15.0%19.6%
Beta vs S&P 5000.771.28
Max drawdown (3Y)-13.8%-22.8%
Dividend yield3.35%0.44%
Expense ratio0.07%0.18%
Assets under management$190.1B$452.8B
Sector / categoryETF · InternationalETF · US Growth & Tech
Lower fee: IEFA 0.07% vs 0.18%Higher yield: IEFA 3.35% vs 0.44%Smaller drawdown: IEFA -13.8% vs -22.8%Higher 5y return: QQQ +95.4% vs +54.5%

On the fund side, IEFA sits in the Foreign Large Blend category at iShares, with $190.1B under management, 1620 holdings, a 0.07% expense ratio, a 3.35% trailing dividend yield. QQQ is a Large Growth fund from Invesco: $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.

-2%0%+29%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. IEFA · QQQ

Portfolio overlap between IEFA and QQQ

The two portfolios are largely distinct: 1.3% of the funds' weight sits in the same underlying holdings (7 common positions). Correlation tells you they move together; overlap tells you why.

Common holdingWeight in IEFAWeight in QQQ
ASML2.57%0.71%
ROP1.22%0.18%
NBIS0.16%0.21%
FER0.11%0.19%
CCEP0.09%0.22%
ADP0.02%0.50%
TRI0.01%0.17%

Largest positions held only by IEFA: HSBA (1.35%), SAN (1.17%), NOVN (1.10%), NESN (0.97%), SHEL (0.97%). Only by QQQ: NVDA (8.15%), AAPL (7.39%), MSFT (5.93%), MU (4.69%), AMZN (4.50%).

Overlap = sum of the smaller of the two weights across common holdings, from issuer disclosures as of 2026-08-26. Top 7 common positions shown.

Year-by-year returns

YearIEFAQQQ
2022-15.2%-32.6%
2023+18.0%+54.9%
2024+3.3%+25.6%
2025+32.1%+20.8%
2026+14.5%+17.7%

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

Are IEFA and QQQ good diversifiers for each other?

To a limited degree. At 0.66 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

FAQ

What is the correlation between IEFA and QQQ?

Using weekly returns as of 2026-08-27: 0.66 over 3 years, with 0.61 over the last year and 0.70 over 5 years.

Is QQQ a good diversifier for IEFA?

To a limited degree. At 0.66 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

How much do IEFA and QQQ overlap?

1.3% by weight, across 7 common holdings, based on issuer-disclosed portfolios as of 2026-08-26.

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IEFA vs QQQ: 3-year weekly correlation 0.66IEFA vs QQQ0.66

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