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BSX vs IT: Correlation

How closely do Boston Scientific (BSX) and Gartner (IT) trade together? Their weekly returns over three years give a correlation of 0.42, which is moderate.

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

Correlation (3Y)
0.42
moderate
Correlation (1Y)
0.43
last 12 months
Correlation (5Y)
0.44
long-run
Ann. covariance
473.7
%² · weekly, annualized

How correlated are BSX and IT?

Over the past 3 years, BSX and IT moved with a correlation of 0.42, which is moderate. Recent behaviour matches the longer record: 0.43 over 1 year against 0.42 over 3. Over 5 years the correlation is 0.44, and the annualized covariance of weekly returns is 473.7 %².

Among the 33 assets we track against BSX, IT ranks #11 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months IT outperformed by 35.7 percentage points (-55.9% for BSX against -20.2% for IT). Across three years, the rolling one-year figure varied moderately, from 0.28 to 0.64.

+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.

BSX vs IT: side by side

BSX (Boston Scientific)IT (Gartner)
1-year return-55.9%-20.2%
5-year return+4.1%-36.0%
Volatility (ann.)27.6%40.6%
Beta vs S&P 5000.720.92
Max drawdown (3Y)-60.6%-77.2%
Market cap$67.6B$12.4B
P/E (trailing)19.517.4
Dividend yield0.00%0.00%
Sector / categoryHealth CareInformation Technology
Lower P/E: IT 17.4 vs 19.5Smaller drawdown: BSX -60.6% vs -77.2%Higher 5y return: BSX +4.1% vs -36.0%
-59%0%+7%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. BSX · IT

Year-by-year returns

YearBSXIT
2022+8.9%+0.5%
2023+24.9%+34.2%
2024+54.5%+7.4%
2025+6.8%-47.9%
2026-51.1%-22.1%

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

Are BSX and IT good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.42 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between BSX and IT?

The BSX/IT correlation stands at 0.42 on a 3-year window (1 year: 0.43, 5 years: 0.44), computed from weekly returns as of 2026-08-27.

Is IT a good diversifier for BSX?

Yes, to a useful degree: a correlation of 0.42 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.42 mean?

A reading of 0.42 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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BSX vs IT: 3-year weekly correlation 0.42BSX vs IT0.42

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Related comparisons

Hubs: BSX correlations · IT correlations