10-Day:
40.00%1-Month:
32.73%3-Month:
52.72%1-Year:
43.23%Summary
- As of today, AMPH stock 10-day historical volatility is 40.00%, with the most recent change of +3.21% (+8.73%) on October 17, 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 | +8.7% | +6.1% | -1.0% | +0.1% |
| 1M1 Month | +52.1% | - | - | - |
| 3M3 Months | +18.0% | - | - | - |
| 6M6 Months | -40.4% | - | - | - |
| YTDYTD | +88.1% | - | - | - |
| 1Y1 Year | +29.3% | - | - | - |
| 5Y5 Years | +118.7% | - | - | - |
AMPH Volatility Highs & Lows
| PeriodPeriod | HighHigh | Current vs Highvs High | LowLow | Current vs Lowvs Low | |
|---|---|---|---|---|---|
| 1M | 1-Month | 40.00% | at high | 22.82% | +75.3% |
| 3M | 3-Month | 98.52% | -59.4% | 21.96% | +82.1% |
| 6M | 6-Month | 98.52% | -59.4% | 17.00% | +135.3% |
| 1Y | 1-Year | 98.52% | -59.4% | 11.16% | +258.4% |
| 3Y | 3-Year | 98.52% | -59.4% | 8.88% | +350.5% |
| 5Y | 5-Year | 137.49% | -70.9% | 8.88% | +350.5% |
| All-Time | All-Time | 151.36% | -73.6% | 6.48% | +517.3% |
AMPH Volatility History
| Date | Value |
|---|---|
| 2025 | 40.00%(+88.1%) |
| 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 40.00%
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 +18.73% (+88.06%) 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 +9.07% (+29.32%)