NASDAQ · AMPH

Amphastar Pharmaceuticals, Inc.

Healthcare · Drug Manufacturers - Specialty & Generic

$26.93

Up+$0.22 (+0.83%)

Updated Oct 30, 2026, 1:46 PM

SID Score

6.2/10

Composite research score

Smart Money

—

Institutional and insider signal

Price performance · AMPH

AMPH price history

1M range · 21 trading sessions · Daily adjusted prices

Prices through Oct 29, 2026

Daily close

View OHLC price history

AMPH OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Oct 29, 2026	$26.84	$27.00	$26.45	$26.93	371.41K
Oct 28, 2026	$25.36	$26.36	$25.36	$26.33	397.27K
Oct 27, 2026	$25.38	$25.6963	$25.29	$25.57	323.93K
Oct 26, 2026	$25.27	$25.65	$25.215	$25.47	225.24K
Oct 23, 2026	$25.91	$25.91	$24.62	$25.14	483.12K
Oct 22, 2026	$26.25	$26.50	$25.92	$26.04	315.09K
Oct 21, 2026	$25.69	$26.35	$25.51	$26.20	390.21K
Oct 20, 2026	$26.24	$26.61	$25.82	$25.94	361.34K
Oct 19, 2026	$25.63	$26.31	$25.63	$26.14	299.51K
Oct 16, 2026	$26.61	$26.61	$25.515	$25.87	352.08K
Oct 15, 2026	$26.38	$27.10	$26.13	$26.42	352.44K
Oct 14, 2026	$25.89	$26.57	$25.89	$26.08	364.66K
Oct 13, 2026	$26.91	$27.00	$26.03	$26.05	326.55K
Oct 12, 2026	$26.62	$26.86	$26.51	$26.76	362.82K
Oct 9, 2026	$25.73	$26.79	$25.65	$26.62	437.7K
Oct 8, 2026	$25.39	$26.14	$25.095	$25.81	423.54K
Oct 7, 2026	$25.91	$26.17	$25.285	$25.54	776.29K
Oct 6, 2026	$25.54	$26.13	$25.03	$25.91	469.15K
Oct 5, 2026	$25.43	$25.70	$25.17	$25.37	454.52K
Oct 2, 2026	$25.46	$25.545	$25.06	$25.43	374.22K
Oct 1, 2026	$25.60	$26.02	$25.30	$25.35	530.99K