Market Cap:
$1.22B+$4.60M(+0.38%)Summary
- As of today, AMPH market cap is $1.22 billion, with a rise of +$4.60 million (+0.38%) during the most recent trading session on December 19, 2025.
- Over the past year, AMPH market cap has dropped by -$671.60 million (-35.46%).
- AMPH market cap is now -61.51% below its all-time high of $3.18 billion.
Performance
AMPH Market Cap Chart
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Highlights
Range
Related metrics
Market Cap Formula
Market Cap = Price ✕ Shares Outstanding
AMPH Market Cap Trends
| PeriodPeriod | Market CapMarket Cap | PricePrice | Shares OutstandingShares Outstanding | Enterprise ValueEnterprise Value |
|---|---|---|---|---|
| 1D1 Day | +0.4% | +0.4% | -0.9% | +0.3% |
| 1M1 Month | +4.8% | +4.8% | - | +3.7% |
| 3M3 Months | -4.9% | -3.8% | - | -6.2% |
| 6M6 Months | +2.3% | +5.0% | - | -0.5% |
| YTDYTD | -30.9% | -28.4% | - | -27.1% |
| 1Y1 Year | -35.5% | -32.5% | -4.4% | -29.5% |
| 5Y5 Years | +35.7% | +40.3% | -3.3% | +85.2% |
AMPH Market Cap Highs & Lows
| PeriodPeriod | HighHigh | Current vs Highvs High | LowLow | Current vs Lowvs Low | |
|---|---|---|---|---|---|
| 1M | 1-Month | $1B | -4.0% | $1B | +5.3% |
| 3M | 3-Month | $1B | -5.7% | $1B | +14.0% |
| 6M | 6-Month | $1B | -14.7% | $959M | +27.5% |
| 1Y | 1-Year | $2B | -35.5% | $959M | +27.5% |
| 3Y | 3-Year | $3B | -61.5% | $959M | +27.5% |
| 5Y | 5-Year | $3B | -61.5% | $816M | +49.7% |
| All-Time | All-Time | $3B | -61.5% | $380M | +221.8% |
AMPH Market Cap History
| Date | Value |
|---|---|
| 2025 | $1B(-30.9%) |
| 2024 | $2B(-40.5%) |
| 2023 | $3B(+120.5%) |
| 2022 | $1B(+21.3%) |
| 2021 | $1B(+16.3%) |
| 2020 | $955M(+6.3%) |
| Date | Value |
|---|---|
| 2019 | $898M(-3.2%) |
| 2018 | $928M(+3.4%) |
| 2017 | $897M(+5.3%) |
| 2016 | $852M(+32.5%) |
| 2015 | $643M(+24.1%) |
| 2014 | $518M |
FAQ
- What is Amphastar Pharmaceuticals, Inc. market cap?
- What is the all-time high market cap for Amphastar Pharmaceuticals, Inc.?
- What is AMPH market cap year-to-date change?
- What is Amphastar Pharmaceuticals, Inc. market cap year-on-year change?
What is Amphastar Pharmaceuticals, Inc. market cap?
The current market cap of AMPH is $1.22B
What is the all-time high market cap for Amphastar Pharmaceuticals, Inc.?
Amphastar Pharmaceuticals, Inc. all-time high market cap is $3.18B
What is AMPH market cap year-to-date change?
Amphastar Pharmaceuticals, Inc. market cap has changed by -$545.72M (-30.87%) since the beginning of the year
What is Amphastar Pharmaceuticals, Inc. market cap year-on-year change?
Over the past year, AMPH market cap has changed by -$671.60M (-35.46%)