analyst
AM
NASDAQ · AMPH
Amphastar Pharmaceuticals, Inc.
Healthcare · Drug Manufacturers - Specialty & Generic
$23.62
Down-$0.20 (-0.84%)
Updated Sep 20, 2026, 10:24 PM
SID Score
5.8/10
Composite research score
Smart Money
—
Institutional and insider signal
- Market cap
- 929.61M
- P/E ratio
- 9.47
- Dividend yield
- 0.00%
- 52-week range
- $16.65 – $29.52
- Volume
- 1.46M
- Avg. volume
- 387.52K
Price performance
AMPH price history
1M range · 19 trading sessions · Daily adjusted prices
AMPH closed at $23.62 after 19 trading sessions, up 9.76% for the selected period.
- Last close
- $23.62
- Period change
- +9.76%
- Period low
- $21.52
- Period high
- $23.95
Daily close
View OHLC price history
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Sep 18, 2026 | $23.69 | $23.99 | $23.51 | $23.62 | 1.46M |
| Sep 17, 2026 | $24.08 | $24.18 | $23.495 | $23.82 | 465.64K |
| Sep 16, 2026 | $23.64 | $24.39 | $23.4903 | $23.95 | 503.88K |
| Sep 15, 2026 | $23.75 | $23.938 | $23.56 | $23.64 | 354.42K |
| Sep 14, 2026 | $23.84 | $24.28 | $23.555 | $23.91 | 474.88K |
| Sep 11, 2026 | $23.65 | $23.80 | $23.24 | $23.78 | 410.95K |
| Sep 10, 2026 | $23.00 | $23.69 | $22.755 | $23.54 | 514.99K |
| Sep 9, 2026 | $22.84 | $23.07 | $22.5748 | $23.04 | 351.6K |
| Sep 8, 2026 | $22.82 | $23.14 | $22.30 | $22.93 | 460.02K |
| Sep 4, 2026 | $23.47 | $23.74 | $23.07 | $23.18 | 650.13K |
| Sep 3, 2026 | $23.875 | $23.92 | $23.04 | $23.84 | 469.75K |
| Sep 2, 2026 | $23.05 | $23.83 | $23.0275 | $23.74 | 456.78K |
| Sep 1, 2026 | $22.59 | $23.05 | $22.59 | $22.96 | 550.98K |
| Aug 31, 2026 | $21.86 | $22.65 | $21.52 | $22.53 | 274.03K |
| Aug 28, 2026 | $21.88 | $22.15 | $21.69 | $22.01 | 224.53K |
| Aug 27, 2026 | $21.69 | $21.97 | $21.625 | $21.88 | 259.79K |
| Aug 26, 2026 | $21.86 | $22.435 | $21.715 | $22.02 | 395.61K |
| Aug 25, 2026 | $21.50 | $22.0699 | $21.405 | $21.98 | 283.77K |
| Aug 24, 2026 | $21.60 | $21.81 | $21.2601 | $21.52 | 210.26K |
Latest AMPH news
The latest Smart Investors Daily articles mentioning AMPH.
Stock researchCompany · Financials
Loading stock research…