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AEHR vs LWLG: Correlation

How closely do Aehr Test Systems (AEHR) and Lightwave Logic, Inc. (LWLG) trade together? Their weekly returns over three years give a correlation of 0.44, which is moderate.

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

Correlation (3Y)
0.44
moderate
Correlation (1Y)
0.38
last 12 months
Correlation (5Y)
0.38
long-run
Ann. covariance
4717.4
%² · weekly, annualized

How correlated are AEHR and LWLG?

Over the past 3 years, AEHR and LWLG moved with a correlation of 0.44, which is moderate. Recent behaviour matches the longer record: 0.38 over 1 year against 0.44 over 3. Over 5 years the correlation is 0.38, and the annualized covariance of weekly returns is 4717.4 %².

Among the 11 assets we track against AEHR, LWLG ranks #5 by 3-year correlation. Correlation aside, the last 12 months split them widely, with AEHR ahead by 209.2 points (+272.3% versus +63.1%).

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.

AEHR vs LWLG: side by side

AEHR (Aehr Test Systems)LWLG (Lightwave Logic, Inc.)
1-year return+272.3%+63.1%
5-year return+1209.1%-48.5%
Volatility (ann.)97.6%110.8%
Beta vs S&P 5002.332.43
Max drawdown (3Y)-87.2%-87.7%
Market cap$3.0B$0.9B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: AEHR -87.2% vs -87.7%Higher 5y return: AEHR +1209.1% vs -48.5%
-21%0%+424%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). AEHR · LWLG

Year-by-year returns

YearAEHRLWLG
2022-16.9%-71.0%
2023+32.0%+15.5%
2024-37.3%-57.8%
2025+21.4%+54.3%
2026+348.0%+81.2%

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

Are AEHR and LWLG good diversifiers for each other?

A fair diversifier. At 0.44, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between AEHR and LWLG?

Using weekly returns as of 2026-08-27: 0.44 over 3 years, with 0.38 over the last year and 0.38 over 5 years.

Is LWLG a good diversifier for AEHR?

A fair diversifier. At 0.44, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.44 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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AEHR vs LWLG: 3-year weekly correlation 0.44AEHR vs LWLG0.44

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Related comparisons

Hubs: AEHR correlations · LWLG correlations