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Video: Compound Annual Growth Rate (CAGR) Definition
POWI Historical Price Range
Date Open High Low Close Volume
07/08/2026 $65.21 $67.75 $65.21 $66.46 944.20K
07/09/2026 $69.90 $71.74 $68.15 $70.83 660.50K
07/10/2026 $69.50 $72.30 $69.17 $72.07 452.80K
07/13/2026 $69.88 $70.42 $68.87 $69.44 586.20K
07/14/2026 $72.73 $73.33 $70.41 $70.76 838.20K
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. Co.'s 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. Co.'s ICs used in alternating current (AC)-direct current (DC) power supply convert high-voltage AC from a wall outlet to the low-voltage DC required by electronic devices. Co. offers a range of products, such as TOPSwitch, TinySwitch, LinkSwitch and Hiper families. It also offers CapZero and SenZero families.
POWI historical stock prices picture
Power Integrations (POWI) has the following price history information. Looking back at POWI historical stock prices for the last five trading days, on July 08, 2026, POWI opened at $65.21, traded as high as $67.75 and as low as $65.21, and closed at $66.46. Trading volume was a total of 944.20K shares. On July 09, 2026, POWI opened at $69.90, traded as high as $71.74 and as low as $68.15, and closed at $70.83. Trading volume was a total of 660.50K shares. On July 10, 2026, POWI opened at $69.50, traded as high as $72.30 and as low as $69.17, and closed at $72.07. Trading volume was a total of 452.80K shares. On July 13, 2026, POWI opened at $69.88, traded as high as $70.42 and as low as $68.87, and closed at $69.44. Trading volume was a total of 586.20K shares. On July 14, 2026, POWI opened at $72.73, traded as high as $73.33 and as low as $70.41, and closed at $70.76. Trading volume was a total of 838.20K shares.

POWI Historical Stock Prices By Date:

POWI historical cagr picture

Below, we examine the compound annual growth rate — CAGR for short — of an investment into Power Integrations shares, starting with a $10,000 purchase of POWI, and working forward through the historical stock price information to today.

Growth of $10,000.00
With Dividends Reinvested
Start date: 07/18/2016
End date: 07/14/2026
Start price/share: $26.87
End price/share: $70.76
Starting shares: 372.16
Ending shares: 410.89
Dividends reinvested/share: $5.61
Total return: 190.75%
Average Annual Total Return: 11.27%
Starting investment: $10,000.00
Ending investment: $29,075.47
Years: 9.99
 
Growth of $10,000.00
Without Dividends Reinvested
Start date: 07/18/2016
End date: 07/14/2026
Start price/share: $26.87
End price/share: $70.76
Dividends collected/share: $5.61
Total return: 184.22%
Average Annual Total Return: 11.02%
Starting investment: $10,000.00
Ending investment: $28,429.12
Years: 9.99
POWI Historical Closing Prices
Date Close
07/08/2026$66.46
07/09/2026$70.83
07/10/2026$72.07
07/13/2026$69.44
07/14/2026$70.76
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Also explore: POWI shares outstanding history

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