Amphastar Pharmaceuticals, Inc. (AMPH) Stock Total Returns
Growth of $10,000 chart
2021-04-21 to 2026-04-21 to
$
%
%
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Investment Performance
Final Value
$12,079
Total Return
20.79%
CAGR
3.85%
Dividends
$0.00
Yield on Cost
0.00%
Rolling Returns
1-Month (21 Trading Days)
| Average | +1.03% |
| Median | +0.61% |
| Best | +46.16% |
| Worst | -36.41% |
| % of Windows Positive | 51.5% |
1-Year (252 Trading Days)
| Average | +12.85% |
| Median | +5.86% |
| Best | +125.00% |
| Worst | -53.39% |
| % of Windows Positive | 54.4% |
3-Year (756 Trading Days)
| Average | +34.03% |
| Median | -4.57% |
| Best | +179.36% |
| Worst | -49.68% |
| % of Windows Positive | 44.0% |
Risk Metrics
| Maximum Drawdown | -72.03% |
| Average Drawdown | -28.71% |
| Drawdown Duration | 677 Trading Days (Unrecovered) |
| Sortino Ratio | 0.43 |
| Calmar Ratio | 0.05 |
| CVaR (5%) | -6.33% |
Yearly Returns
| Year | Percentage | Abs. Return | Dividends | Taxes | Trans. Costs |
|---|---|---|---|---|---|
| 2026 partial | -20.80% (-53.57% ann.) | $2079.91 | $0.00 | $0.00 | $0.00 |
| 2025 | -27.88% | $2787.50 | $0.00 | $0.00 | $0.00 |
| 2024 | -39.97% | $3996.77 | $0.00 | $0.00 | $0.00 |
| 2023 | +120.74% | +$12073.52 | $0.00 | $0.00 | $0.00 |
| 2022 | +20.31% | +$2030.92 | $0.00 | $0.00 | $0.00 |
| 2021 | +15.81% | +$1581.30 | $0.00 | $0.00 | $0.00 |
| 2020 | +4.25% | +$425.09 | $0.00 | $0.00 | $0.00 |
| 2019 | -3.07% | $306.53 | $0.00 | $0.00 | $0.00 |
| 2018 | +3.43% | +$343.04 | $0.00 | $0.00 | $0.00 |
| 2017 | +4.45% | +$445.17 | $0.00 | $0.00 | $0.00 |
| 2016 | +29.44% | +$2944.48 | $0.00 | $0.00 | $0.00 |
| 2015 | +22.57% | +$2256.68 | $0.00 | $0.00 | $0.00 |
| 2014 partial | +32.69% (+72.73% ann.) | +$3268.57 | $0.00 | $0.00 | $0.00 |
Market Regimes
about| Regime | Period | Percentage | Annual | Abs. Return | Dividends | Taxes | Trans. Costs |
|---|---|---|---|---|---|---|---|
| Secular stagnation / QE / low inflation / duration bull partial | June 25, 2014 – February 19, 2020 | +117.37% | +14.72% | +$11737.14 | $0.00 | $0.00 | $0.00 |
| Pandemic shock / liquidity crash | February 20, 2020 – March 23, 2020 | -28.59% | -97.86% | $2858.69 | $0.00 | $0.00 | $0.00 |
| Policy bazooka / monetary euphoria | March 24, 2020 – November 6, 2020 | +40.35% | +72.53% | +$4035.09 | $0.00 | $0.00 | $0.00 |
| Reopening reflation / fiscal boom / supply bottlenecks | November 9, 2020 – November 29, 2021 | +2.47% | +2.34% | +$247.24 | $0.00 | $0.00 | $0.00 |
| Inflation shock / duration crash / aggressive tightening | November 30, 2021 – November 9, 2022 | +44.48% | +47.80% | +$4447.85 | $0.00 | $0.00 | $0.00 |
| Disinflation rebound / AI-led narrow bull / higher-for-longer | November 10, 2022 – September 17, 2024 | +70.79% | +33.48% | +$7078.65 | $0.00 | $0.00 | $0.00 |
| Disinflationary easing / resilient growth / AI capex under oil-shock test partial | September 18, 2024 – April 21, 2026 | -57.39% | -41.57% | $5739.25 | $0.00 | $0.00 | $0.00 |
Dividend History
| Date | Per Share | Yield % |
|---|---|---|
| Total | 0 payments |
No dividends recorded.
All calculations use split-adjusted closing prices. Dividends are reinvested on the ex-dividend date at that day's closing price.
For each rolling window, returns are calculated at every possible starting point:
return = (value[i] ÷ value[i − windowSize] − 1) × 100
- Windows
- 1-month = 21 trading days, 1-year = 252 trading days, 3-year = 756 trading days.
- Statistics
- Average: arithmetic mean. Median: middle value when sorted. Best / Worst: max and min. % Positive: share of windows with return > 0.
The series is segmented by calendar year:
return = (endValue ÷ startValue − 1) × 100
startValue is the last value of the prior year (or the first value for the initial year). Partial first/last years are flagged. Dividends, taxes, and transaction costs are scaled proportionally to the initial investment.