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SHY vs TIP: Correlation

Measured on weekly returns over the past three years, iShares 1-3 Year Treasury Bond ETF (SHY) and iShares TIPS Bond ETF (TIP) carry a correlation of 0.78, a strong link.

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

Correlation (3Y)
0.78
strong
Correlation (1Y)
0.77
last 12 months
Correlation (5Y)
0.66
long-run
Ann. covariance
5.3
%² · weekly, annualized

How correlated are SHY and TIP?

On 3 years of weekly data the SHY/TIP correlation comes out at 0.78, strong. Little has changed lately, as the 1-year reading of 0.77 lands near the 3-year figure. The 5-year figure is 0.66, and annualized covariance runs at 5.3 %².

By 3-year correlation, TIP places #4 of the 62 assets tracked against SHY. Their 12-month results are close: +2.5% for SHY against +1.4% for TIP. The rolling one-year correlation moved between 0.56 and 0.89 over the past three years, a moderate range. Note the risk asymmetry: TIP runs 2.8 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
How the one-year correlation itself moved over the past 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.

SHY vs TIP: side by side

SHY (iShares 1-3 Year Treasury Bond ETF)TIP (iShares TIPS Bond ETF)
1-year return+2.5%+1.4%
5-year return+9.6%+1.2%
Volatility (ann.)1.6%4.4%
Beta vs S&P 5000.000.05
Max drawdown (3Y)-1.0%-3.7%
Dividend yield3.65%4.47%
Expense ratio0.15%0.18%
Assets under management$25.1B$14.6B
Sector / categoryETF · BondsETF · Bonds
Lower fee: SHY 0.15% vs 0.18%Higher yield: TIP 4.47% vs 3.65%Smaller drawdown: SHY -1.0% vs -3.7%Higher 5y return: SHY +9.6% vs +1.2%

SHY, iShares's Short Government fund, carries $25.1B under management, a 0.15% expense ratio, a 3.65% trailing dividend yield. TIP is an Inflation-Protected Bond fund from iShares: $14.6B under management, a 0.18% expense ratio, a 4.47% trailing dividend yield.

-0%0%+2%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. SHY · TIP

Year-by-year returns

YearSHYTIP
2022-3.9%-12.3%
2023+4.2%+3.8%
2024+3.9%+1.7%
2025+5.0%+6.8%
2026+1.1%+1.1%

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

Are SHY and TIP good diversifiers for each other?

To a limited degree. At 0.78 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 SHY and TIP?

As of 2026-08-27, the correlation of weekly returns between SHY and TIP is 0.78 over 3 years, 0.77 over 1 year and 0.66 over 5 years.

Is TIP a good diversifier for SHY?

To a limited degree. At 0.78 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

What does a correlation of 0.78 mean?

A reading of 0.78 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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SHY vs TIP: 3-year weekly correlation 0.78SHY vs TIP0.78

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Hubs: SHY correlations · TIP correlations