Amphastar P (AMPH) short volume · P/E 15, rev $719.9M
Amphastar P FINRA short-volume cache. Latest 2026-10-21.
| Date | Short | Total | Short % |
|---|---|---|---|
| 2026-10-21 | 109,641 | 146,741 | 74.7% |
| 2026-10-20 | 84,667 | 119,880 | 70.6% |
| 2026-10-19 | 82,351 | 122,629 | 67.2% |
| 2026-10-16 | 80,288 | 135,810 | 59.1% |
| 2026-10-15 | 97,691 | 145,502 | 67.1% |
| 2026-10-14 | 101,097 | 144,571 | 69.9% |
| 2026-10-13 | 86,148 | 125,337 | 68.7% |
| 2026-10-12 | 52,639 | 112,344 | 46.9% |
| 2026-10-09 | 78,459 | 112,467 | 69.8% |
| 2026-10-08 | 82,118 | 172,521 | 47.6% |
AMPH short volume FAQ
What was AMPH's latest FINRA short volume?
On Oct 21, 2026, cached FINRA short volume for Amphastar P (AMPH) was 109,641 shares, 74.7% of 146,741 total volume.
How many AMPH short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for Amphastar P (AMPH), from Oct 8, 2026 through Oct 21, 2026.
How did AMPH short volume percent change from the prior cached session?
Cached FINRA short volume for Amphastar P (AMPH) moved from 70.6% on Oct 20, 2026 to 74.7% on Oct 21, 2026, up 4.1 percentage points.
What was the highest AMPH short volume percent on this page?
The highest cached FINRA short volume on this page is 74.7% of total volume on Oct 21, 2026.
Where is AMPH listed?
Amphastar P (AMPH) common stock is listed on NASDAQ.
What is AMPH's P/E ratio?
Amphastar P (AMPH) trailing P/E is 14.9 on the latest cached fundamentals snapshot.
What is AMPH's latest revenue?
Latest cached Amphastar P (AMPH) revenue for Dec 31, 2025 was $719.9M. Statements: https://lician.com/financials/amph
Where is AMPH short volume listed?
Cached FINRA short volume for Amphastar P (AMPH) is listed at https://lician.com/short-interest/amph.
Not investment advice. Cached rows, not a live tape.