NASDAQ · POWI

Power Integrations, Inc.

Technology · Semiconductors

$55.18

Up+$0.34 (+0.62%)

Updated Aug 22, 2026, 3:27 AM

SID Score

4.5/10

Composite research score

Smart Money

—

Institutional and insider signal

Price performance

POWI price history

1M range · 21 trading sessions · Daily adjusted prices

Daily close

View OHLC price history

POWI OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Aug 21, 2026	$55.28	$55.635	$54.15	$55.18	746.74K
Aug 20, 2026	$55.76	$56.80	$54.125	$54.84	660.61K
Aug 19, 2026	$59.40	$59.50	$55.69	$55.79	675.36K
Aug 18, 2026	$59.81	$60.70	$58.00	$58.59	795.71K
Aug 17, 2026	$63.065	$64.65	$61.96	$62.10	529.35K
Aug 14, 2026	$61.77	$63.425	$61.2872	$62.75	372.56K
Aug 13, 2026	$63.48	$64.47	$61.90	$62.31	382.42K
Aug 12, 2026	$65.74	$66.18	$63.24	$63.84	472.09K
Aug 11, 2026	$63.38	$65.14	$62.67	$63.27	513.08K
Aug 10, 2026	$65.08	$65.48	$61.465	$61.97	637.79K
Aug 7, 2026	$60.71	$64.82	$60.71	$64.59	668.81K
Aug 6, 2026	$61.53	$63.16	$58.61	$58.98	852.64K
Aug 5, 2026	$63.36	$64.03	$61.48	$61.95	797.26K
Aug 4, 2026	$62.71	$64.89	$61.80	$64.57	741.91K
Aug 3, 2026	$58.44	$61.82	$58.44	$60.40	685.26K
Jul 31, 2026	$62.57	$63.715	$60.48	$60.71	578.47K
Jul 30, 2026	$59.01	$61.68	$58.37	$60.87	697.55K
Jul 29, 2026	$58.55	$59.745	$56.035	$56.57	744.29K
Jul 28, 2026	$60.35	$62.00	$57.28	$59.20	717.24K
Jul 27, 2026	$63.58	$65.145	$60.38	$63.41	937.98K
Jul 24, 2026	$70.76	$70.76	$63.36	$63.46	677.68K