$41.00
0[0.00%]
At close: Apr 24
$41.00
0[0.00%]
PreMarket: 4:00PM EDT
Amphastar Pharma
(NASDAQ:AMPH)Amphastar Pharma Stock (NASDAQ:AMPH), Short Interest Report
Short interest for Amphastar Pharma gives investors a sense of the degree to which investors are betting on the decline of Amphastar Pharma's stock. Short interest data is updated every two weeks.
Short Interest
3.7M
Short Interest %
12.1%
Days to Cover
10.45
ticker | Name | Effective Date | % of Float Shorted | Float | Short Interest | Volume | Days to Cover | Get Alert |
|---|---|---|---|---|---|---|---|---|
| AMPH | Amphastar Pharmaceuticals, Inc | 04/09/2024 | 12.07% | 30,435,220 | 3,674,842 | 351,660 | 10.45 | Get Alert |
| AMPH | Amphastar Pharmaceuticals, Inc | 03/26/2024 | 11.81% | 30,435,220 | 3,595,530 | 572,698 | 6.28 | Get Alert |
| AMPH | Amphastar Pharmaceuticals, Inc | 03/11/2024 | 12.22% | 30,435,220 | 3,720,310 | 551,482 | 6.75 | Get Alert |
| AMPH | Amphastar Pharmaceuticals, Inc | 02/27/2024 | 11.88% | 30,246,769 | 3,593,022 | 367,840 | 9.77 | Get Alert |
| AMPH | Amphastar Pharmaceuticals, Inc | 02/09/2024 | 10.56% | 30,246,769 | 3,194,684 | 412,914 | 7.74 | Get Alert |
| AMPH | Amphastar Pharmaceuticals, Inc | 01/24/2024 | 9.73% | 30,246,769 | 2,944,087 | 684,797 | 4.3 | Get Alert |
| AMPH | Amphastar Pharmaceuticals, Inc | 01/10/2024 | 9.20% | 30,246,769 | 2,781,357 | 362,050 | 7.68 | Get Alert |
| AMPH | Amphastar Pharmaceuticals, Inc | 12/27/2023 | 9.35% | 30,246,769 | 2,827,421 | 537,740 | 5.26 | Get Alert |
| AMPH | Amphastar Pharmaceuticals, Inc | 12/11/2023 | 9.42% | 30,246,769 | 2,849,167 | 365,694 | 7.79 | Get Alert |
| AMPH | Amphastar Pharmaceuticals, Inc | 11/27/2023 | 9.56% | 30,246,769 | 2,891,180 | 518,542 | 5.58 | Get Alert |
| AMPH | Amphastar Pharmaceuticals, Inc | 11/09/2023 | 8.27% | 30,246,769 | 2,502,884 | 285,162 | 8.78 | Get Alert |
| AMPH | Amphastar Pharmaceuticals, Inc | 10/24/2023 | 8.52% | 31,194,960 | 2,656,364 | 345,343 | 7.69 | Get Alert |
| AMPH | Amphastar Pharmaceuticals, Inc | 10/10/2023 | 8.40% | 31,194,960 | 2,619,270 | 338,723 | 7.73 | Get Alert |
| AMPH | Amphastar Pharmaceuticals, Inc | 09/26/2023 | 8.63% | 31,194,960 | 2,692,654 | 944,564 | 2.85 | Get Alert |
| AMPH | Amphastar Pharmaceuticals, Inc | 09/12/2023 | 4.17% | 31,194,960 | 1,300,986 | 282,777 | 4.6 | Get Alert |
| AMPH | Amphastar Pharmaceuticals, Inc | 08/24/2023 | 4.78% | 31,194,960 | 1,490,264 | 453,100 | 3.29 | Get Alert |
| AMPH | Amphastar Pharmaceuticals, Inc | 08/09/2023 | 4.59% | 31,158,164 | 1,430,156 | 392,144 | 3.65 | Get Alert |
| AMPH | Amphastar Pharmaceuticals, Inc | 07/25/2023 | 6.76% | 30,613,400 | 2,068,587 | 364,455 | 5.68 | Get Alert |
| AMPH | Amphastar Pharmaceuticals, Inc | 07/12/2023 | 6.57% | 30,613,400 | 2,012,424 | 587,536 | 3.43 | Get Alert |
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