Amphastar Pharmaceuticals... (AMPH)
Amphastar Pharmaceuticals dark pool activity shows an average trade size of Unlock Pro with Unlock Pro average premium per trade. Large trade sizes indicate institutional positioning, while elevated premiums suggest urgent execution needs, often signaling significant market moves ahead. Total premium of Unlock Pro reflects the scale of institutional interest in this security.
Real-time institutional trades ranked by premium paid and size relative to average volume. High premiums indicate urgent positioning by large players, while elevated size-to-volume ratios reveal unusual institutional activity that often precedes significant price movements.
| Rank | Time | Price | Size | Volume | Size / Vol | Size / Avg Vol | Avg. Paid |
|---|---|---|---|---|---|---|---|
| 1 | 9/4/2025 11:14 AM | 28.92 | 37,300 | 46,394 | 80.40% | 7.00% | 1.08M |
| 2 | 9/4/2025 11:18 AM | 28.95 | 23,500 | 91,366 | 25.72% | 4.41% | 680.33K |
| 3 | 9/4/2025 11:19 AM | 28.95 | 13,900 | 105,372 | 13.19% | 2.61% | 402.4K |
Dark Pool Table
| Date | Long Volume | Short Volume | Long / Short | % Short Change |
|---|---|---|---|---|
| Sep 03, 2025 | 105.79K | 81.11K | 1.30 | 29.59% |
| Aug 29, 2025 | 53.77K | 62.59K | 0.86 | -2.22% |
| Aug 22, 2025 | 102.91K | 64.01K | 1.61 | -61.45% |
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