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NASDAQ · AEHRTechnologyElectronic Instruments

Aehr Test Systems (AEHR)

$60.84−6.56%
Close Nov 4, 2026 · split-adjusted
Nov 3, 2026$65.11▲ 150.42% in range
Nov 3, 2025Low $19.40 · High $145.61Nov 3, 2026
What changed · written from our data
As of Nov 4, 2026

Aehr Test Systems closed at $60.84 on Nov 4, down 6.56%, 58.2% below its 52-week closing high. Volume of 4.0M shares was 1.33× its 20-day average (above normal).

Split-adjusted performance: -34.0% over one month, -37.1% over six months, +134.0% over one year.

In the quarter ended Feb 27, 2026, revenue was $10.31M, down 43.7% from a year earlier, with a net margin of -31.1%.

Short interest was 5.6M shares at the Oct 15 settlement, up 7.7% from the prior report (18.0% of float, 2.0 days to cover).

Market cap$1.99B32.7M shares
Revenue · quarter$10.3M−43.7% YoY
Diluted EPS$-0.10—
P/E · TTM—
Net margin-31.1%Gross 32.7%
Dividend yieldNone
52-week range19.40 – 145.61−58.2% from high
Volume4.0M1.33× 20-day avg
Volatility · 60d115.5%Annualised
Short % of float18.0%2.0 days to cover
Net cash$116.4MCash $116.4M
Next earnings—Not scheduled
Split-adjusted performance
1W −5.7%1M −34.0%3M −39.0%6M −37.1%YTD +201.3%1Y +134.0%3Y +154.6%5Y +213.8%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Electronic Instruments

Percentile among 10 companies (100 = best)

6-month momentum0
Revenue growth0
Net margin11
Value (low P/E)—
Size56

Industry medians: 6-month return −4.4%, revenue growth +18.0%, net margin 6.9%, P/E 47.3×.

Short interest

Details →
Shares short5.6M+7.7% vs prior
Days to cover2.0Settled Oct 15
% of float18.0%
Short vol. 10d54.0%of daily volume

Closest peers by size in Electronic Instruments

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
AEHRAehr Test Systems$60.84−6.56%−37.1%−43.7%−31.1%—$1.99B
COHUCohu$43.98−12.09%−11.4%+37.0%7.0%—$2.08BCompare
ALNTAllient$79.56−9.61%+2.6%+10.2%6.8%47.3$1.35BCompare
TRNSTranscat$108.13+20.79%+43.9%+18.0%2.5%220.5$1.01BCompare
ITRIItron$101.60+3.44%+22.5%+3.0%11.9%15.9$4.46BCompare
FEIMFrequency Electronics$61.52−7.61%+7.6%+69.8%18.0%258.9$693.5MCompare
INTTinTEST$14.00−4.63%−19.6%+25.5%1.3%114.5$179.6MCompare
VLTOVeralto$117.02+0.60%+34.7%+7.5%16.8%28.4$28.45BCompare
TERTeradyne$250.99−6.82%−34.4%+69.8%26.2%28.5$39.19BCompare

News about Aehr Test Systems

All news →
Aehr Test Systems: 3 Key Takeaways for Long-Term InvestorsThe Motley Fool · 1d ago▲ PositiveAEHR Gears Up to Report Q1 Earnings: What's in Store for the Stock?Zacks Investment Research · 6d agoNeutralImplied Volatility Surging for Aehr Stock OptionsZacks Investment Research · Oct 13, 2026NeutralAEHR vs. CAMT: Which Semiconductor Equipment Stock Is the Better Bet?Zacks Investment Research · Sep 30, 2026▲ PositiveAEHR at 18.59X Sales: Market Loves Its AI Story, But is Love Blind?Zacks Investment Research · Sep 21, 2026Neutral

Quick answers

What does Aehr Test Systems do?
Aehr Test Systems is engaged in test systems for burning-in and testing logic, optical, and memory integrated circuits. Increased quality and reliability needs of the Automotive and Mobility integrated circuit markets.
What is AEHR's market cap?
$1.99B, based on the Nov 4 close of $60.84.
Does Aehr Test Systems pay a dividend?
No regular cash dividend has been paid in the last year.
How much of AEHR is sold short?
5.6M shares, 18.0% of float, as of Oct 15, 2026.
What sector is AEHR in?
Technology, in the Electronic Instruments industry.

About Aehr Test Systems

Aehr Test Systems is engaged in test systems for burning-in and testing logic, optical, and memory integrated circuits. Increased quality and reliability needs of the Automotive and Mobility integrated circuit markets. The Company operates in one business segment, the designing, manufacturing, marketing, and selling of advance test and burn-in products to the semiconductor manufacturing industry in several geographic areas. The company provides production solutions across the product manufacturing flow to improve yield and reliability and has developed and introduced several inventive products, including the ABTSTM and FOX-PTM families of test and burn-in systems and FOX WaferPakTM Aligner, FOX-XP WaferPak Contactor, FOX DiePak Carrier and FOX DiePak Loader.

HQ: Fremont, CA138 employeesListed Aug 15, 1997aehr.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology