10-Day:
43.07%1-Month:
47.61%3-Month:
37.32%1-Year:
42.51%Summary
- As of today, AMPH stock 10-day historical volatility is 43.07%, with the most recent change of -0.71% (-1.62%) on November 25, 2025.
Performance
AMPH Volatility Chart
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Range
AMPH Volatility Trends
| PeriodPeriod | 10-Day Volatility10-Day Volatility | 1-Month Volatility1-Month Volatility | 3-Month Volatility3-Month Volatility | 1-Year Volatility1-Year Volatility |
|---|---|---|---|---|
| 1D1 Day | -1.6% | +0.3% | +1.8% | +0.5% |
| 1M1 Month | +67.7% | - | - | - |
| 3M3 Months | +55.0% | - | - | - |
| 6M6 Months | +15.1% | - | - | - |
| YTDYTD | +102.5% | - | - | - |
| 1Y1 Year | +45.6% | - | - | - |
| 5Y5 Years | +86.8% | - | - | - |
AMPH Volatility Highs & Lows
| PeriodPeriod | HighHigh | Current vs Highvs High | LowLow | Current vs Lowvs Low | |
|---|---|---|---|---|---|
| 1M | 1-Month | 64.99% | -33.7% | 20.78% | +107.3% |
| 3M | 3-Month | 64.99% | -33.7% | 20.78% | +107.3% |
| 6M | 6-Month | 98.52% | -56.3% | 17.00% | +153.4% |
| 1Y | 1-Year | 98.52% | -56.3% | 11.16% | +285.9% |
| 3Y | 3-Year | 98.52% | -56.3% | 10.38% | +314.9% |
| 5Y | 5-Year | 137.49% | -68.7% | 8.88% | +385.0% |
| All-Time | All-Time | 151.36% | -71.5% | 6.48% | +564.7% |
AMPH Volatility History
| Date | Value |
|---|---|
| 2025 | 43.07%(+102.5%) |
| 2024 | 21.27%(-45.5%) |
| 2023 | 39.04%(+132.5%) |
| 2022 | 16.79%(+22.9%) |
| 2021 | 13.66%(-54.0%) |
| 2020 | 29.68%(+55.5%) |
| Date | Value |
|---|---|
| 2019 | 19.09%(-53.5%) |
| 2018 | 41.02%(+60.5%) |
| 2017 | 25.55%(-51.7%) |
| 2016 | 52.90%(+325.6%) |
| 2015 | 12.43%(-67.4%) |
| 2014 | 38.15% |
FAQ
- What is Amphastar Pharmaceuticals, Inc. 10-day historical volatility?
- What is the all-time high 10-day volatility for Amphastar Pharmaceuticals, Inc.?
- What is AMPH 10-day historical volatility year-to-date change?
- What is Amphastar Pharmaceuticals, Inc. 10-day volatility year-on-year change?
What is Amphastar Pharmaceuticals, Inc. 10-day historical volatility?
The current 10-day volatility of AMPH is 43.07%
What is the all-time high 10-day volatility for Amphastar Pharmaceuticals, Inc.?
Amphastar Pharmaceuticals, Inc. all-time high 10-day historical volatility is 151.36%
What is AMPH 10-day historical volatility year-to-date change?
Amphastar Pharmaceuticals, Inc. 10-day historical volatility has changed by +21.80% (+102.49%) since the beginning of the year
What is Amphastar Pharmaceuticals, Inc. 10-day volatility year-on-year change?
Over the past year, AMPH 10-day historical volatility has changed by +13.50% (+45.65%)