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AEIS vs INTT: Correlation

How closely do Advanced Energy Industries, Inc. (AEIS) and inTest Corporation (INTT) trade together? Their weekly returns over three years give a correlation of 0.50, which is moderate.

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

Correlation (3Y)
0.50
moderate
Correlation (1Y)
0.52
last 12 months
Correlation (5Y)
0.50
long-run
Ann. covariance
1132.4
%² · weekly, annualized

How correlated are AEIS and INTT?

Over the past 3 years, AEIS and INTT moved with a correlation of 0.50, which is moderate. Recent behaviour matches the longer record: 0.52 over 1 year against 0.50 over 3. Over 5 years the correlation is 0.50, and the annualized covariance of weekly returns is 1132.4 %².

By 3-year correlation, INTT places #23 of the 32 assets tracked against AEIS. Their recent paths diverged sharply: over the last 12 months AEIS outperformed by 24.6 percentage points (+87.0% for AEIS against +62.4% for INTT).

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.

AEIS vs INTT: side by side

AEIS (Advanced Energy Industries, Inc.)INTT (inTest Corporation)
1-year return+87.0%+62.4%
5-year return+222.9%-9.0%
Volatility (ann.)43.9%51.5%
Beta vs S&P 5001.691.19
Max drawdown (3Y)-39.9%-67.7%
Market cap$11.5B$0.1B
P/E (trailing)52.4165.4
Dividend yield0.14%0.00%
Sector / categoryUS ListedUS Listed
Lower P/E: AEIS 52.4 vs 165.4Higher yield: AEIS 0.14% vs 0.00%Smaller drawdown: AEIS -39.9% vs -67.7%Higher 5y return: AEIS +222.9% vs -9.0%
0%+159%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. AEIS · INTT

Year-by-year returns

YearAEISINTT
2022-5.4%-19.0%
2023+27.5%+32.0%
2024+6.6%-36.8%
2025+81.6%-13.0%
2026+37.3%+55.0%

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

Are AEIS and INTT good diversifiers for each other?

Somewhat, no more. With 0.50 correlation, most large moves hit both names, and the diversification benefit stays modest.

FAQ

What is the correlation between AEIS and INTT?

Using weekly returns as of 2026-08-27: 0.50 over 3 years, with 0.52 over the last year and 0.50 over 5 years.

Is INTT a good diversifier for AEIS?

Somewhat, no more. With 0.50 correlation, most large moves hit both names, and the diversification benefit stays modest.

What does a correlation of 0.50 mean?

On the −1 to +1 scale, 0.50 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.

Use this data

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$ curl https://www.pairbook.io/api/v1/pairs/aeis-vs-intt.json

AEIS vs INTT: 3-year weekly correlation 0.50AEIS vs INTT0.50

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Related comparisons

Hubs: AEIS correlations · INTT correlations