NASDAQ · POWI

Power Integrations, Inc.

Technology · Semiconductors

$49.33

Up+$1.95 (+4.12%)

Updated Oct 28, 2026, 4:32 AM

SID Score

4.1/10

Composite research score

Smart Money

—

Institutional and insider signal

Price performance · POWI

POWI price history

1M range · 21 trading sessions · Daily adjusted prices

Prices through Oct 27, 2026

Daily close

View OHLC price history

POWI OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Oct 27, 2026	$48.49	$49.42	$48.03	$49.33	590.16K
Oct 26, 2026	$47.67	$47.81	$46.31	$47.38	452.81K
Oct 23, 2026	$46.71	$47.54	$45.95	$46.98	687.8K
Oct 22, 2026	$46.37	$47.7922	$45.9103	$47.12	768.48K
Oct 21, 2026	$47.53	$48.52	$46.56	$48.25	512.93K
Oct 20, 2026	$44.81	$47.41	$44.3525	$46.97	688.56K
Oct 19, 2026	$45.71	$46.35	$44.325	$45.46	804.35K
Oct 16, 2026	$44.51	$45.89	$44.19	$44.50	756.38K
Oct 15, 2026	$43.30	$45.105	$42.50	$44.97	1.05M
Oct 14, 2026	$45.92	$46.815	$43.91	$44.78	1.06M
Oct 13, 2026	$46.16	$47.16	$45.36	$46.70	1.03M
Oct 12, 2026	$48.72	$48.72	$46.98	$47.11	558.66K
Oct 9, 2026	$50.79	$51.36	$48.70	$49.12	365.47K
Oct 8, 2026	$50.54	$50.63	$48.89	$49.89	734.65K
Oct 7, 2026	$52.15	$52.57	$50.66	$51.40	440.16K
Oct 6, 2026	$54.69	$54.69	$53.13	$53.40	506.76K
Oct 5, 2026	$54.065	$54.63	$52.1661	$54.36	704K
Oct 2, 2026	$53.54	$55.86	$53.03	$54.46	893.59K
Oct 1, 2026	$51.80	$52.1299	$50.48	$51.50	852.6K
Sep 30, 2026	$51.28	$52.2764	$50.79	$51.80	1.12M
Sep 29, 2026	$53.16	$53.16	$50.715	$51.08	1.07M