AMPH Stock After Hours

Amphastar Pharmaceuticals, Inc.
AMPHNASDAQ • USD
25.41 USD
AT CLOSE
🟢Market: OPEN

After-hours trading runs 4:00 PM – 8:00 PM ET.

📅 AMPH is expected to report earnings around Nov 5, 2026 after the close (estimated), with an estimated EPS of $0.86. AMPH earnings details →

Gap Analytics — 5-year history, 5% minimum gap

No qualifying gap events found for AMPH.

Frequently Asked Questions

What is AMPH's after-hours price?

Amphastar Pharmaceuticals (AMPH) has no recorded after-hours trades for the latest session. Its regular-session close was $25.41. After-hours quotes appear here when the stock trades between 4:00 PM and 8:00 PM ET.

When does AMPH after-hours trading start and end?

After-hours trading in AMPH on the NASDAQ runs from 4:00 PM to 8:00 PM ET on trading days, immediately after the regular session closes. Not every broker offers the full window, and liquidity thins sharply after about 6:30 PM ET.

When does AMPH report earnings?

AMPH is expected to report earnings around Nov 5, 2026 after the close (estimated), with an estimated EPS of $0.86. Earnings are the most common cause of a large after-hours move, since most companies report after the close.