POWI Stock Summary and Trading Ideas (Power Integrations | NASDAQ:POWI)

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.

Power Integrations trades on the NASDAQ stock market under the symbol POWI.

As of March 18, 2026, POWI stock price declined to $46.08 with 595,026 million shares trading.

POWI has a beta of 1.52, meaning it tends to be more sensitive to market movements. POWI has a correlation of 0.25 to the broad based SPY ETF.

POWI has a market cap of $2.56 billion. This is considered a Mid Cap stock.

Last quarter Power Integrations reported $103 million in Revenue and $.23 earnings per share. This beat revenue expectation by $57,764 and exceeded earnings estimates by $.10.

In the last 3 years, POWI traded as high as $99.60 and as low as $30.86.

The top ETF exchange traded funds that POWI belongs to (by Net Assets): IJR, VTI, IWM, VGT, VB.

POWI has underperformed the market in the last year with a price return of -18.7% while the SPY ETF gained +17.9%. However, in the short term, POWI had mixed performance relative to the market. It has outperformed in the last 3 months, returning +28.2% vs -1.2% return in SPY. But in the last 2 weeks, POWI shares have been beat by the market, returning -4.0% compared to an SPY return of -2.8%.

POWI support price is $46.03 and resistance is $49.23 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that POWI shares will trade within this expected range on the day.