NYSE · KOSS

Koss Corporation

Technology · Consumer Electronics

$3.59

Up+$0.06 (+1.70%)

Updated Sep 19, 2026, 3:47 AM

SID Score

2.8/10

Composite research score

Smart Money

—

Institutional and insider signal

Price performance

KOSS price history

1M range · 20 trading sessions · Daily adjusted prices

Daily close

View OHLC price history

KOSS OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Sep 18, 2026	$3.54	$3.62	$3.42	$3.59	29.65K
Sep 17, 2026	$3.42	$3.59	$3.40	$3.53	18.45K
Sep 16, 2026	$3.43	$3.475	$3.3499	$3.36	14.03K
Sep 15, 2026	$3.62	$3.62	$3.374	$3.40	5.67K
Sep 14, 2026	$3.48	$3.6237	$3.4006	$3.43	18.17K
Sep 11, 2026	$3.39	$3.6274	$3.39	$3.41	26.38K
Sep 10, 2026	$3.47	$3.475	$3.30	$3.40	9.51K
Sep 9, 2026	$3.50	$3.50	$3.43	$3.46	7.36K
Sep 8, 2026	$3.60	$3.60	$3.475	$3.55	8.99K
Sep 4, 2026	$3.45	$3.65	$3.45	$3.58	16.97K
Sep 3, 2026	$3.57	$3.57	$3.41	$3.5404	14.87K
Sep 2, 2026	$3.45	$3.53	$3.41	$3.50	25.36K
Sep 1, 2026	$3.43	$3.5455	$3.3701	$3.44	20.34K
Aug 31, 2026	$3.51	$3.60	$3.40	$3.46	12.7K
Aug 28, 2026	$3.45	$3.65	$3.38	$3.50	21.28K
Aug 27, 2026	$3.4001	$3.51	$3.3733	$3.42	32.38K
Aug 26, 2026	$3.465	$3.5499	$3.40	$3.435	17.39K
Aug 25, 2026	$3.50	$3.5235	$3.40	$3.45	17.23K
Aug 24, 2026	$3.545	$3.5887	$3.50	$3.50	14.97K
Aug 21, 2026	$3.50	$3.6099	$3.50	$3.57	16.45K