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AMPG vs SPY: Correlation

Measured on weekly returns over the past three years, Amplitech Group, Inc. (AMPG) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.09, a near-zero link.

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

Correlation (3Y)
0.09
near-zero
Correlation (1Y)
0.27
last 12 months
Correlation (5Y)
0.14
long-run
Ann. covariance
230.8
%² · weekly, annualized

How correlated are AMPG and SPY?

On 3 years of weekly data the AMPG/SPY correlation comes out at 0.09, near zero, meaning they move largely independently. The link has tightened recently: the 1-year correlation (0.27) runs above the 3-year figure (0.09). The 5-year figure is 0.14, and annualized covariance runs at 230.8 %².

SPY is close to the least connected end of AMPG's tracked universe, ranking #12 of 15. Neither side won the trailing year by much: +22.2% against +20.6%. Risk is not evenly split, since AMPG carries 12.3 times the volatility of the other side.

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 SPY: side by side

AMPG (Amplitech Group, Inc.)SPY (SPDR S&P 500 ETF Trust)
1-year return+22.2%+20.6%
5-year return-0.5%+82.4%
Volatility (ann.)178.6%14.5%
Beta vs S&P 5001.101.00
Max drawdown (3Y)-78.6%-18.8%
Market cap$0.1B
P/E (trailing)
Dividend yield0.00%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryUS ListedETF · US Large Cap
Higher yield: SPY 1.01% vs 0.00%Smaller drawdown: SPY -18.8% vs -78.6%Higher 5y return: SPY +82.4% vs -0.5%

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.

-53%0%+135%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. AMPG · SPY

Year-by-year returns

YearAMPGSPY
2022-46.2%-18.2%
2023-11.3%+26.2%
2024+173.4%+24.9%
2025-41.8%+17.7%
2026+25.1%+13.7%

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

Are AMPG and SPY good diversifiers for each other?

By historical standards, yes. A correlation of 0.09 means the two rarely move for the same reasons.

FAQ

What is the correlation between AMPG and SPY?

As of 2026-08-27, the correlation of weekly returns between AMPG and SPY is 0.09 over 3 years, 0.27 over 1 year and 0.14 over 5 years.

Is SPY a good diversifier for AMPG?

By historical standards, yes. A correlation of 0.09 means the two rarely move for the same reasons.

What does a correlation of 0.09 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

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AMPG vs SPY: 3-year weekly correlation 0.09AMPG vs SPY0.09

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Hubs: AMPG correlations · SPY correlations