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ASYS vs QQQ: Correlation

Amtech Systems, Inc. (ASYS) and Invesco QQQ Trust (QQQ) show a weak relationship: their 3-year correlation of weekly returns is 0.21.

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

Correlation (3Y)
0.21
weak
Correlation (1Y)
0.44
last 12 months
Correlation (5Y)
0.29
long-run
Ann. covariance
292.2
%² · weekly, annualized

How correlated are ASYS and QQQ?

Across a 3-year window, the weekly returns of ASYS and QQQ correlate at 0.21, weak. The link has tightened recently: the 1-year correlation (0.44) runs above the 3-year figure (0.21). Stretching to 5 years gives 0.29, with an annualized covariance of 292.2 %².

Among the 10 assets we track against ASYS, QQQ sits near the bottom by co-movement, at rank #6. The last year tells two different stories: ASYS led by 138.9 percentage points, +165.2% for ASYS against +26.3% for QQQ. Risk is not evenly split, since ASYS carries 3.7 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.

ASYS vs QQQ: side by side

ASYS (Amtech Systems, Inc.)QQQ (Invesco QQQ Trust)
1-year return+165.2%+26.3%
5-year return+54.0%+95.4%
Volatility (ann.)71.9%19.6%
Beta vs S&P 5000.921.28
Max drawdown (3Y)-61.3%-22.8%
Market cap$0.3B
P/E (trailing)56.5
Dividend yield0.00%0.44%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryUS ListedETF · US Growth & Tech
Higher yield: QQQ 0.44% vs 0.00%Smaller drawdown: QQQ -22.8% vs -61.3%Higher 5y return: QQQ +95.4% vs +54.0%

QQQ is a Large Growth fund from Invesco: $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.

-2%0%+274%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. ASYS · QQQ

Year-by-year returns

YearASYSQQQ
2022-23.1%-32.6%
2023-44.7%+54.9%
2024+29.8%+25.6%
2025+130.3%+20.8%
2026+26.1%+17.7%

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

Are ASYS and QQQ good diversifiers for each other?

A fair diversifier. At 0.21, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between ASYS and QQQ?

As of 2026-08-27, the correlation of weekly returns between ASYS and QQQ is 0.21 over 3 years, 0.44 over 1 year and 0.29 over 5 years.

Is QQQ a good diversifier for ASYS?

A fair diversifier. At 0.21, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.21 mean?

On the −1 to +1 scale, 0.21 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.

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ASYS vs QQQ: 3-year weekly correlation 0.21ASYS vs QQQ0.21

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Hubs: ASYS correlations · QQQ correlations