Daily trading records
Amphastar Pharmaceuticals Stock Price on June 25, 2026
Direct answer
Amphastar Pharmaceuticals closed at $21.04 on June 25, 2026.
The open was $21.00, the high was $22.00 and the low was $20.79.
Volume was 481,265. The change from the prior close was +$0.02 (+0.10%).
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Review Amphastar Pharmaceuticals's price trend and period performance.
The chart connects verified session closes from March 30, 2026 through June 25, 2026.
Period performance is calculated from verified trading sessions.
5-session performance
+8.40%
From the June 17, 2026 close of $19.41 to $21.04 on June 25, 2026.
20-session performance
+10.16%
From the May 27, 2026 close of $19.10 to $21.04 on June 25, 2026.
60-session performance
+9.47%
From the March 30, 2026 close of $19.22 to $21.04 on June 25, 2026.
Verified data
- Open
- $21.00
- High
- $22.00
- Low
- $20.79
- Close
- $21.04
- Volume
- 481,265
- Prior-close change
- +$0.02 (+0.10%)
Explore related company data
View all available daily prices for Amphastar Pharmaceuticals.View the previous trading day on June 24, 2026.View the next trading day on June 26, 2026.Return to the Amphastar Pharmaceuticals company profile.Review Amphastar Pharmaceuticals valuation and profitability metrics.Review Amphastar Pharmaceuticals analyst price targets.
Read the frequently asked questions.
What was Amphastar Pharmaceuticals's closing price on June 25, 2026?
Amphastar Pharmaceuticals closed at $21.04 on June 25, 2026.
What were Amphastar Pharmaceuticals's open, high and low on June 25, 2026?
The open was $21.00, the high was $22.00 and the low was $20.79.
How much did Amphastar Pharmaceuticals change from the prior close on June 25, 2026?
The change from the prior close was +$0.02 (+0.10%).
What was Amphastar Pharmaceuticals's volume on June 25, 2026?
Trading volume was 481,265 shares.
What is the source for Amphastar Pharmaceuticals's daily prices?
Daily aggregate prices are provided by Polygon.