10-day:
29.24%1-month:
29.82%3-month:
53.36%1-year:
43.11%Summary
- As of today (September 17, 2025), AMPH stock 10-day historical volatility is 29.24%, with the most recent change of -1.55% (-5.03%) on September 16, 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 |
|---|---|---|---|---|
| todaytoday | -5.0% | -2.3% | +0.1% | 0.0% |
| 1 m1 month | -70.0% | - | - | - |
| 3 m3 months | -8.7% | - | - | - |
| 6 m6 months | -19.1% | - | - | - |
| ytdytd | +37.5% | - | - | - |
| 1 y1 year | -22.8% | - | - | - |
| 5 y5 years | +31.8% | - | - | - |
AMPH Volatility Highs & Lows
| PeriodPeriod | HighHigh | Current vs highvs high | LowLow | Current vs lowvs low | |
|---|---|---|---|---|---|
| 1 m | 1-month | 98.50% | -70.3% | 27.11% | +7.9% |
| 3 m | 3-month | 98.52% | -70.3% | 17.00% | +72.0% |
| 6 m | 6-month | 98.52% | -70.3% | 15.94% | +83.4% |
| 1 y | 1-year | 98.52% | -70.3% | 11.16% | +162.0% |
| 3 y | 3-year | 98.52% | -70.3% | 8.88% | +229.3% |
| 5 y | 5-year | 137.49% | -78.7% | 8.88% | +229.3% |
| alltime | all time | 151.36% | -80.7% | 6.48% | +351.2% |
AMPH Volatility History
| Date | Value |
|---|---|
| 2025 | 29.24%(+37.5%) |
| 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 29.24%
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 +7.97% (+37.47%) 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 -8.64% (-22.81%)