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SPY vs XLV: Correlation & Overlap

Measured on weekly returns over the past three years, SPDR S&P 500 ETF Trust (SPY) and Health Care Select Sector SPDR Fund (XLV) carry a correlation of 0.41, a moderate link. The two funds also share 9.4% of their portfolios by weight.

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

Correlation (3Y)
0.41
moderate
Correlation (1Y)
0.08
last 12 months
Correlation (5Y)
0.58
long-run
Holdings overlap
9.4%
60 common holdings

How correlated are SPY and XLV?

Over the past 3 years, SPY and XLV moved with a correlation of 0.41, which is moderate. Lately the two have drifted apart, with the 1-year correlation at 0.08 versus 0.41 over 3 years. Over 5 years the correlation is 0.58, and the annualized covariance of weekly returns is 88.1 %².

Among the 4755 assets we track against SPY, XLV ranks #1099 by 3-year correlation. Over the last 12 months XLV came out ahead by 6.9 percentage points (+20.6% against +27.5%). Do not treat this figure as fixed: across three years the rolling one-year correlation ranged all the way from 0.13 to 0.68.

+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.

SPY vs XLV: side by side

SPY (SPDR S&P 500 ETF Trust)XLV (Health Care Select Sector SPDR Fund)
1-year return+20.6%+27.5%
5-year return+82.4%+37.4%
Volatility (ann.)14.5%14.7%
Beta vs S&P 5001.000.42
Max drawdown (3Y)-18.8%-17.1%
Dividend yield1.01%1.56%
Expense ratio0.09%0.08%
Assets under management$795.3B$41.7B
Sector / categoryETF · US Large CapSector ETF
Lower fee: XLV 0.08% vs 0.09%Higher yield: XLV 1.56% vs 1.01%Smaller drawdown: XLV -17.1% vs -18.8%Higher 5y return: SPY +82.4% vs +37.4%

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. On the fund side, XLV sits in the Health category at State Street Investment Management, with $41.7B under management, 61 holdings, a 0.08% expense ratio, a 1.56% trailing dividend yield.

-1%0%+29%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. SPY · XLV

Portfolio overlap between SPY and XLV

The two portfolios are largely distinct. Weighing the shared positions, 9.4% of the two funds is identical, spread across 60 common holdings. That shared book is a large part of why the returns line up.

Common holdingWeight in SPYWeight in XLV
LLY1.42%15.03%
JNJ0.98%10.38%
ABBV0.70%7.42%
MRK0.57%6.04%
UNH0.55%5.82%
AMGN0.36%3.80%
TMO0.36%3.76%
ABT0.30%3.17%
GILD0.28%2.94%
PFE0.24%2.58%
VRTX0.21%2.22%
BMY0.21%2.20%
DHR0.20%2.17%
ISRG0.20%2.10%
CVS0.18%1.92%

Largest positions held only by SPY: NVDA (7.68%), AAPL (6.96%), MSFT (5.58%), AMZN (3.85%), GOOGL (3.03%). Only by XLV: IXCU6 (0.03%).

Overlap = sum of the smaller of the two weights across common holdings, from issuer disclosures as of 2026-08-26. Top 15 common positions shown.

Year-by-year returns

YearSPYXLV
2022-18.2%-2.1%
2023+26.2%+2.1%
2024+24.9%+2.5%
2025+17.7%+14.5%
2026+13.7%+11.8%

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

Are SPY and XLV good diversifiers for each other?

Reasonably. At 0.41, SPY and XLV keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between SPY and XLV?

As of 2026-08-27, the correlation of weekly returns between SPY and XLV is 0.41 over 3 years, 0.08 over 1 year and 0.58 over 5 years.

Is XLV a good diversifier for SPY?

Reasonably. At 0.41, SPY and XLV keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

How much do SPY and XLV overlap?

9.4% by weight, across 60 common holdings, based on issuer-disclosed portfolios as of 2026-08-26.

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SPY vs XLV: 3-year weekly correlation 0.41SPY vs XLV0.41

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