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AMPG vs QSI: Correlation

How closely do Amplitech Group, Inc. (AMPG) and Quantum-Si Incorporated (QSI) trade together? Their weekly returns over three years give a correlation of 0.61, which is strong.

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

Correlation (3Y)
0.61
strong
Correlation (1Y)
0.28
last 12 months
Correlation (5Y)
0.58
long-run
Ann. covariance
16747.8
%² · weekly, annualized

How correlated are AMPG and QSI?

On 3 years of weekly data the AMPG/QSI correlation comes out at 0.61, strong. The link has loosened recently: the 1-year correlation (0.28) runs below the 3-year figure (0.61). The 5-year figure is 0.58, and annualized covariance runs at 16747.8 %².

In AMPG's tracked universe of 15 assets, QSI sits right near the top at #2. The last year tells two different stories: AMPG led by 53.0 percentage points, +22.2% for AMPG against -30.8% for QSI.

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.

AMPG vs QSI: side by side

AMPG (Amplitech Group, Inc.)QSI (Quantum-Si Incorporated)
1-year return+22.2%-30.8%
5-year return-0.5%-91.5%
Volatility (ann.)178.6%152.9%
Beta vs S&P 5001.102.93
Max drawdown (3Y)-78.6%-83.6%
Market cap$0.1B$0.2B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: AMPG -78.6% vs -83.6%Higher 5y return: AMPG -0.5% vs -91.5%
-53%0%+135%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. AMPG · QSI

Year-by-year returns

YearAMPGQSI
2022-46.2%-76.7%
2023-11.3%+9.8%
2024+173.4%+34.3%
2025-41.8%-59.3%
2026+25.1%-27.0%

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

Are AMPG and QSI good diversifiers for each other?

To a limited degree. At 0.61 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 AMPG and QSI?

Using weekly returns as of 2026-08-27: 0.61 over 3 years, with 0.28 over the last year and 0.58 over 5 years.

Is QSI a good diversifier for AMPG?

To a limited degree. At 0.61 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 0.61 mean?

A reading of 0.61 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

Use this data

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/ampg-vs-qsi.json

AMPG vs QSI: 3-year weekly correlation 0.61AMPG vs QSI0.61

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Related comparisons

Hubs: AMPG correlations · QSI correlations