AMPH: Amphastar Pharmaceuticals Inc.

As of Tuesday, January 20th, 2026

$ 25.95

-0.12 -0.46%

Open: 25.62
High: 26.75
Low: 25.47
Volume: 28,257
Previous Close on Friday, January 16th, 2026

$ 26.07

+0.07 +0.27%

Open: 25.94
High: 26.23
Low: 25.42
Volume: 284,511

Historical Data

Date Open High Low Close Volume Chg %Chg
2026-01-20 25.62 26.75 25.47 25.95 28,257 -0.12 -0.46
2026-01-16 25.94 26.23 25.42 26.07 284,511 +0.07 +0.27
2026-01-15 27.65 27.69 25.94 26.00 583,625 -1.76 -6.34
2026-01-14 28.80 29.20 27.61 27.76 472,419 -1.15 -3.98
2026-01-13 29.16 29.38 28.40 28.91 345,441 -0.49 -1.67
2026-01-12 28.05 29.52 27.31 29.40 455,592 +1.66 +5.98
2026-01-09 27.71 28.02 27.43 27.74 247,198 0.00 0.00
2026-01-08 27.40 28.34 27.23 27.74 302,642 +0.41 +1.50
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AMPH

Amphastar Pharmaceuticals Inc.

25.95 -0.12 -0.46 28,257