Check historical price trends and seasonality for Amphstar Pharmaceuticals, Inc. (AMPH).
Amphstar Pharmaceuticals, Inc. (AMPH) average YTD return over the past 10 years is +12.75%.
Over the past 10 years, the return for the specified period (Mar 17 for 7 days) is +0.51%.
4 wins 2 losses with a win rate of 66.67%.
| Year | Start Date | Start Price | End Date | End Price | Return | Rate (%) |
|---|---|---|---|---|---|---|
| 2025 | 2025-03-17 | 27.6900 | 2025-03-23 | 28.2900 | 0.6000 | 2.17 |
| 2023 | 2023-03-17 | 36.2900 | 2023-03-23 | 36.9100 | 0.6200 | 1.71 |
| 2022 | 2022-03-17 | 34.1800 | 2022-03-23 | 35.4800 | 1.3000 | 3.80 |
| 2021 | 2021-03-17 | 17.9900 | 2021-03-23 | 17.9900 | 0.0000 | 0.00 |
| 2020 | 2020-03-17 | 14.5000 | 2020-03-23 | 13.1900 | -1.3100 | -9.03 |
| 2017 | 2017-03-17 | 13.7500 | 2017-03-23 | 13.7100 | -0.0400 | -0.29 |
| 2016 | 2016-03-17 | 11.3300 | 2016-03-23 | 11.9200 | 0.5900 | 5.21 |
| Avg | 22.2471 | 22.4986 | 0.25 | 0.51 |
| Day \ Month | Jan Total -4.30% | Feb Total -1.31% | Mar Total +2.07% | Apr Total -0.19% | May Total +6.94% | Jun Total +4.75% | Jul Total +1.33% | Aug Total +4.60% | Sep Total -4.15% | Oct Total +0.07% | Nov Total +5.82% | Dec Total -0.56% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 Avg +0.32% | 0.00% | +1.12% | -0.14% | +0.44% | +0.45% | +0.91% | +0.24% | -0.69% | -0.07% | +0.34% | +1.08% | +0.12% |
| 2 Avg -0.04% | -0.21% | -0.36% | +0.79% | -0.20% | +0.39% | +0.27% | -0.27% | -0.30% | -0.29% | -0.49% | +0.17% | +0.01% |
| 3 Avg -0.15% | -0.80% | -0.31% | -0.71% | -0.33% | -0.61% | -0.27% | +0.43% | +0.62% | -1.29% | +0.38% | +0.03% | +1.05% |
| 4 Avg +0.25% | +0.74% | -0.03% | +0.20% | +0.60% | +0.72% | +0.78% | 0.00% | -0.24% | -0.10% | +0.35% | +0.34% | -0.37% |
| 5 Avg -0.28% | -0.41% | -0.42% | -0.03% | -0.65% | -0.33% | -0.09% | -0.10% | -0.77% | -1.07% | +0.76% | +0.45% | -0.66% |
| 6 Avg -0.14% | -0.30% | +0.26% | -1.08% | +1.39% | -0.55% | +0.21% | +0.27% | -0.71% | +0.16% | +0.05% | -1.35% | +0.02% |
| 7 Avg +0.20% | +0.52% | +0.38% | +1.47% | -0.27% | +0.58% | +1.43% | -0.22% | +0.37% | -0.35% | +0.24% | -1.17% | -0.53% |
| 8 Avg +0.21% | -0.59% | +0.67% | -0.42% | +0.10% | +0.80% | -0.43% | -0.47% | +3.56% | -0.49% | +0.24% | -0.48% | +0.01% |
| 9 Avg +0.03% | -0.32% | +0.59% | +0.14% | +0.76% | -0.31% | -1.58% | -0.40% | -1.83% | -0.96% | -0.23% | +4.83% | -0.30% |
| 10 Avg -0.01% | -0.16% | +0.31% | +0.54% | -0.51% | +0.86% | -0.07% | -0.18% | -1.18% | -0.48% | -0.92% | +1.38% | +0.26% |
| 11 Avg +0.08% | -1.18% | +0.56% | +0.73% | +0.05% | +0.50% | -0.92% | -0.07% | +1.11% | +0.60% | +0.01% | -0.04% | -0.37% |
| 12 Avg -0.03% | +0.57% | +0.24% | -0.65% | -0.56% | +0.36% | +0.45% | -0.07% | +0.98% | -0.92% | -1.24% | -0.15% | +0.64% |
| 13 Avg -0.12% | +0.15% | -0.17% | -0.89% | +0.85% | -0.10% | -0.44% | -0.38% | +0.50% | +0.21% | +0.08% | -1.21% | -0.05% |
| 14 Avg -0.06% | +0.24% | -0.30% | -0.92% | +0.02% | +0.31% | +0.16% | +0.56% | -0.55% | +0.73% | +0.37% | -0.54% | -0.81% |
| 15 Avg +0.53% | -0.27% | +0.94% | +1.26% | -0.17% | +0.35% | +1.28% | +0.26% | +1.53% | -0.58% | -0.09% | +0.82% | +1.03% |
| 16 Avg +0.03% | +0.18% | -0.81% | -1.59% | -0.33% | +1.73% | +0.80% | +0.05% | +0.15% | +0.35% | +0.87% | +0.01% | -1.00% |
| 17 Avg +0.20% | +0.24% | +0.66% | +0.54% | +0.07% | +0.17% | -0.01% | +0.74% | -0.57% | -0.05% | +0.59% | -0.08% | +0.05% |
| 18 Avg -0.11% | -0.07% | -0.66% | -1.04% | -0.87% | +0.59% | -0.07% | +0.18% | +0.56% | +0.49% | -0.07% | -0.82% | +0.43% |
| 19 Avg +0.17% | -0.91% | +0.46% | +1.07% | +0.52% | +0.07% | +0.73% | -0.28% | +1.20% | -0.39% | -0.93% | +0.05% | +0.44% |
| 20 Avg +0.05% | +0.10% | -0.63% | +0.10% | +0.08% | +0.27% | -0.52% | +0.28% | -0.22% | +1.23% | +0.17% | -0.08% | -0.21% |
| 21 Avg -0.10% | -0.16% | -2.79% | +0.25% | +0.12% | -0.52% | +0.41% | +0.74% | +0.36% | -0.38% | +0.66% | +0.10% | -0.02% |
| 22 Avg +0.19% | +0.53% | +0.02% | -0.09% | +0.40% | +0.41% | +0.73% | -0.21% | +0.75% | -0.95% | -0.10% | +0.38% | +0.43% |
| 23 Avg +0.23% | +0.57% | +1.08% | -0.36% | +0.15% | -0.10% | +0.75% | +0.75% | +0.20% | -0.35% | +0.01% | +0.25% | -0.23% |
| 24 Avg -0.19% | -0.48% | +0.71% | +0.58% | -0.28% | +0.21% | -0.60% | -0.37% | -0.91% | -0.53% | -0.46% | +0.03% | -0.15% |
| 25 Avg -0.02% | +0.23% | -0.21% | 0.00% | -0.44% | +0.27% | -0.27% | +0.32% | -0.48% | -0.11% | -0.28% | +0.68% | 0.00% |
| 26 Avg +0.16% | -0.13% | -0.02% | +1.00% | -0.11% | +0.76% | -0.55% | +0.06% | +0.32% | +0.93% | +0.08% | -1.21% | +0.80% |
| 27 Avg +0.16% | -0.14% | +0.36% | +0.27% | -0.13% | +1.37% | +0.64% | -0.27% | +0.05% | +1.07% | -0.72% | +0.39% | -0.92% |
| 28 Avg -0.29% | +0.17% | -2.95% | 0.00% | -0.58% | -0.87% | +0.50% | -0.08% | +0.02% | +0.43% | -0.01% | +0.16% | -0.27% |
| 29 Avg +0.20% | +0.23% | - | +0.49% | +0.43% | -0.01% | -0.18% | -0.18% | +0.35% | -0.53% | +0.60% | +0.94% | +0.02% |
| 30 Avg +0.03% | -1.00% | - | +0.67% | -0.76% | -0.02% | +0.68% | +0.47% | +0.20% | -0.46% | -0.23% | +0.89% | -0.14% |
| 31 Avg -0.36% | -1.63% | - | -0.10% | - | -0.79% | - | -0.42% | +0.23% | - | +0.05% | - | +0.16% |
| Rank | Stock | Avg Return (%) | Wins | Losses |
|---|
