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LPTH vs QQQ: Correlation

How closely do LightPath Technologies, Inc. (LPTH) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.25, which is weak.

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

Correlation (3Y)
0.25
weak
Correlation (1Y)
0.37
last 12 months
Correlation (5Y)
0.27
long-run
Ann. covariance
392.8
%² · weekly, annualized

How correlated are LPTH and QQQ?

Across a 3-year window, the weekly returns of LPTH and QQQ correlate at 0.25, weak. Lately the two have moved closer together, with the 1-year correlation at 0.37 versus 0.25 over 3 years. Stretching to 5 years gives 0.27, with an annualized covariance of 392.8 %².

Among the 10 assets we track against LPTH, QQQ sits near the bottom by co-movement, at rank #6. The last year tells two different stories: LPTH led by 161.0 percentage points, +187.3% for LPTH against +26.3% for QQQ. Risk is not evenly split, since LPTH carries 4.1 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.

LPTH vs QQQ: side by side

LPTH (LightPath Technologies, Inc.)QQQ (Invesco QQQ Trust)
1-year return+187.3%+26.3%
5-year return+499.6%+95.4%
Volatility (ann.)79.6%19.6%
Beta vs S&P 5001.331.28
Max drawdown (3Y)-61.1%-22.8%
Market cap$0.9B
P/E (trailing)
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 -61.1%Higher 5y return: LPTH +499.6% vs +95.4%

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.

-3%0%+200%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. LPTH · QQQ

Year-by-year returns

YearLPTHQQQ
2022-50.0%-32.6%
2023+3.3%+54.9%
2024+180.2%+25.6%
2025+205.9%+20.8%
2026+27.7%+17.7%

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

Are LPTH and QQQ good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.25 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between LPTH and QQQ?

The LPTH/QQQ correlation stands at 0.25 on a 3-year window (1 year: 0.37, 5 years: 0.27), computed from weekly returns as of 2026-08-27.

Is QQQ a good diversifier for LPTH?

Yes, to a useful degree: a correlation of 0.25 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.25 mean?

On the −1 to +1 scale, 0.25 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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LPTH vs QQQ: 3-year weekly correlation 0.25LPTH vs QQQ0.25

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Hubs: LPTH correlations · QQQ correlations