Power Integrations, Inc. (POWI:NASDAQ) closed at $46.98 on October 23, 2026, down 0.30% on the day. The stock trades 48.5% below its 52-week high of $91.18 and 52.2% above its 52-week low of $30.86. Over the past year, it gained 9.2%. Power Integrations, Inc. is part of the Technology sector (Semiconductors).
In 252 trading sessions since October 23, 2025, POWI closed higher on 130 days (52%). Its best day was May 26, 2026 (+18.69%) and its worst was July 24, 2026 (-10.46%). The stock moved 10% or more in a single session 2 times. It opened at least 5% above the previous day's high 1 time.
Power Integrations, Inc. designs, develops, and markets analog and mixed-signal integrated circuits, and other electronic components and circuitry used in high-voltage power conversion. The company offers a range of alternating current to direct current (DC) power conversion products that address power supply ranging from less than 1 watt of output to approximately 500 watts of output for mobile-device chargers, consumer appliances, utility meters, LCD monitors, main and standby power supplies for desktop computers and TVs, LED lamps, and other consumer and industrial applications. It also provides high-voltage diodes; and high-voltage gate-driver products under the SCALE and SCALE-2 product-family names. In addition, the company offers monolithic high-voltage DC-DC power conversion ICs designed for use in power-over-Ethernet powered devices, such as voice-over-IP phones and security cameras, as well as network hubs, line cards, servers, digital PBX phones, and DC-DC converter modules and industrial controls. Power Integrations, Inc. serves communications, computer, consumer, and industrial markets. The company sells its products to original equipment manufacturers and merchant pow...
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