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Smart Investors Daily
PO

NYSE · POWI

Power Integrations, Inc.

Technology · Semiconductors

$49.15

Up+$1.24 (+2.52%)

Updated Sep 18, 2026, 10:49 PM

SID Score

4.1/10

Composite research score

Smart Money

Institutional and insider signal

Market cap
2.07B
P/E ratio
62.56
Dividend yield
1.71%
52-week range
$30.86 – $91.18
Volume
828.63K
Avg. volume
1.15M

Price performance

POWI price history

1M range · 20 trading sessions · Daily adjusted prices

POWI closed at $49.15 after 20 trading sessions, down 10.38% for the selected period.

Last close
$49.15
Period change
-10.38%
Period low
$47.65
Period high
$55.31
Daily close
View OHLC price history
POWI OHLC price history, latest 40 sessions
DateOpenHighLowCloseVolume
Sep 17, 2026$49.10$50.236$48.67$49.15828.63K
Sep 16, 2026$49.64$49.64$46.71$47.65601.78K
Sep 15, 2026$49.59$49.915$47.40$48.27756.74K
Sep 14, 2026$49.82$50.265$48.44$48.51554.86K
Sep 11, 2026$50.68$53.15$50.51$52.281.01M
Sep 10, 2026$48.20$50.08$48.20$49.69353.79K
Sep 9, 2026$49.90$51.165$49.49$49.71675.38K
Sep 8, 2026$51.19$51.60$50.05$50.46589.09K
Sep 4, 2026$51.00$51.70$49.77$50.45470.64K
Sep 3, 2026$50.00$51.04$48.415$50.54781.38K
Sep 2, 2026$49.78$50.61$48.67$50.301.18M
Sep 1, 2026$50.50$50.775$49.29$49.782.53M
Aug 31, 2026$51.61$52.515$50.90$51.38946.92K
Aug 28, 2026$55.00$55.93$51.32$51.51770.27K
Aug 27, 2026$56.21$56.97$54.775$55.31667.88K
Aug 26, 2026$55.49$56.62$54.495$54.90648.13K
Aug 25, 2026$54.59$54.70$53.28$54.63635.52K
Aug 24, 2026$54.66$54.66$51.83$53.18711.48K
Aug 21, 2026$55.28$55.635$54.15$55.18746.74K
Aug 20, 2026$55.76$56.80$54.125$54.84660.61K

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