analyst
AM
NASDAQ · AMPH
Amphastar Pharmaceuticals, Inc.
Healthcare · Drug Manufacturers - Specialty & Generic
$21.88
Down-$0.14 (-0.64%)
Updated Aug 28, 2026, 11:17 AM
SID Score
5.1/10
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 – $31.26
- Volume
- 259.79K
- Avg. volume
- 387.52K
Price performance
AMPH price history
1M range · 21 trading sessions · Daily adjusted prices
AMPH closed at $21.88 after 21 trading sessions, up 7.36% for the selected period.
- Last close
- $21.88
- Period change
- +7.36%
- Period low
- $19.81
- Period high
- $22.02
Daily close
View OHLC price history
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| 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 |
| Aug 21, 2026 | $21.64 | $22.20 | $21.44 | $21.60 | 376.56K |
| Aug 20, 2026 | $21.38 | $21.76 | $21.24 | $21.68 | 338.7K |
| Aug 19, 2026 | $21.64 | $21.99 | $21.145 | $21.74 | 410.77K |
| Aug 18, 2026 | $21.11 | $21.59 | $21.075 | $21.34 | 411.88K |
| Aug 17, 2026 | $20.90 | $21.23 | $20.77 | $20.86 | 533.5K |
| Aug 14, 2026 | $20.02 | $21.07 | $19.89 | $20.91 | 305.68K |
| Aug 13, 2026 | $20.18 | $20.27 | $19.84 | $20.18 | 526.12K |
| Aug 12, 2026 | $20.16 | $20.215 | $19.61 | $19.98 | 343.84K |
| Aug 11, 2026 | $20.00 | $20.57 | $20.00 | $20.42 | 570.49K |
| Aug 10, 2026 | $20.74 | $20.90 | $19.55 | $20.31 | 645.75K |
| Aug 7, 2026 | $22.48 | $22.645 | $20.40 | $20.78 | 1.3M |
| Aug 6, 2026 | $20.22 | $20.25 | $19.6023 | $19.81 | 527.33K |
| Aug 5, 2026 | $20.06 | $20.28 | $19.88 | $20.24 | 351.62K |
| Aug 4, 2026 | $20.11 | $20.38 | $19.86 | $19.90 | 481.65K |
| Aug 3, 2026 | $20.11 | $20.455 | $19.70 | $20.22 | 413.18K |
| Jul 31, 2026 | $20.35 | $20.41 | $19.665 | $19.94 | 367.63K |
| Jul 30, 2026 | $20.31 | $20.525 | $19.95 | $20.38 | 355.68K |
Latest AMPH news
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