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NASDAQ · POWITechnologySemiconductors

Power Integrations Inc (POWI)

$45.79−2.55%
Close Nov 4, 2026 · split-adjusted
Oct 30, 2026$43.86▲ 5.38% in range
Nov 3, 2025Low $30.92 · High $87.35Oct 30, 2026
What changed · written from our data
As of Nov 4, 2026

Power Integrations closed at $45.79 on Nov 4, down 2.55%, 47.6% below its 52-week closing high. Volume of 270.1K shares was 0.35× its 20-day average (below normal).

Split-adjusted performance: -14.3% over one month, -41.5% over six months, +10.0% over one year.

In the quarter ended Jun 30, 2026, revenue was $118.94M, up 2.7% from a year earlier, with a net margin of 8.3%.

Short interest was 5.2M shares at the Oct 15 settlement, down 5.9% from the prior report (9.4% of float, 7.0 days to cover).

Market cap$2.56B55.9M shares
Revenue · quarter$118.9M+2.7% YoY
Diluted EPS$0.17+750.0% YoY
P/E · TTM102.1×P/S 5.7×
Net margin8.3%Gross 54.3%
Dividend yield1.88%$0.215 last paid
52-week range30.92 – 87.35−47.6% from high
Volume270.1K0.35× 20-day avg
Volatility · 60d48.9%Annualised
Short % of float9.4%7.1 days to cover
Net cash$262.6MCash $262.6M
Next earnings—Not scheduled
Split-adjusted performance
1W −7.2%1M −14.3%3M −22.4%6M −41.5%YTD +28.8%1Y +10.0%3Y −32.6%5Y −53.8%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Semiconductors

Percentile among 83 companies (100 = best)

6-month momentum36
Revenue growth23
Net margin51
Value (low P/E)24
Size44

Industry medians: 6-month return −31.4%, revenue growth +24.6%, net margin 8.1%, P/E 47.2×.

Short interest

Details →
Shares short5.2M−5.9% vs prior
Days to cover7.1Settled Oct 15
% of float9.4%
Short vol. 10d63.7%of daily volume

Closest peers by size in Semiconductors

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
POWIPower Integrations$45.79−2.55%−41.5%+2.7%8.3%102.1$2.56B
PENGPenguin Solutions$49.06−7.76%+25.8%+67.7%14.3%16.6$2.51BCompare
AMBAAmbarella$61.53−0.76%−18.5%+13.2%−6.2%—$2.72BCompare
NVTSNavitas Semiconductor$8.98+4.85%−46.2%−27.3%−2167.5%—$2.36BCompare
IPGPIPG Photonics$69.97−5.98%−31.4%+11.1%1.9%108.0$2.98BCompare
AXTIAXT$46.27−9.86%−55.9%+164.8%23.4%748.4$3.03BCompare
UCTTUltra Clean Holdings$44.17−8.02%−47.1%+48.8%5.2%79.6$2.12BCompare
OSISOSI Systems$202.19+0.62%−15.8%+4.9%6.1%20.0$3.18BCompare
LASRnLIGHT$33.18−9.12%−53.5%+33.8%−1.6%—$1.91BCompare

News about Power Integrations

All news →
Director Sells 10,000 Shares of this Semiconductor Stock Down 25%. Should Investors Panic?The Motley Fool · Mar 9, 2026Neutral

Quick answers

What does Power Integrations do?
Power Integrations Inc designs, develops, and markets analog and mixed-signal integrated circuits (ICs) and other electronic components and circuitry used in high-voltage power conversion. Products are used in power converters that convert electricity from a high-voltage source to the type of power required for a specified downstream use.
What is POWI's market cap?
$2.56B, based on the Nov 4 close of $45.79.
What is POWI's P/E ratio?
102.1× trailing-twelve-month earnings of $25.07M.
Does Power Integrations pay a dividend?
Yes. The latest regular dividend was $0.215 per share (ex-date Aug 31), an annualised yield of 1.88%.
How much of POWI is sold short?
5.2M shares, 9.4% of float, as of Oct 15, 2026.
What sector is POWI in?
Technology, in the Semiconductors industry.

About Power Integrations

Power Integrations Inc designs, develops, and markets analog and mixed-signal integrated circuits (ICs) and other electronic components and circuitry used in high-voltage power conversion. Products are used in power converters that convert electricity from a high-voltage source to the type of power required for a specified downstream use. Products are used in electronic products including mobile phones, computing and networking equipment, appliances, electronic utility meters, battery-powered tools, industrial controls, home automation, or Internet of Things applications such as networked thermostats, power strips, and security devices. Geographically, the company generates maximum revenue from China and Hong Kong.

HQ: San Jose, CA877 employeesListed Dec 12, 1997power.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