Amphastar Pharmaceuticals, Inc. (AMPH)

NASDAQ

$25.97

$-0.20

(-0.75%)

After-Hours

Amphastar Pharmaceuticals, Inc. (AMPH) Live Price Chart

Last updated: ⁦2026-10-20 22:29:20⁩. Prices reflect the latest after-hours trading data. Stock price data is sourced from Massive.

Summary

Amphastar Pharmaceuticals, Inc. (AMPH) operates in the PHARMACEUTICAL PREPARATIONS sector and is listed on NASDAQ. The stock is currently priced at $25.97, with a market capitalization of $1.10B and a P/E ratio of 14.16. Over the past 52 weeks, its price has ranged from $16.65 to $29.52. This page covers its latest market performance, valuation, price trends and company information.

Key Market Data

Market Cap	$1.10B
Open	$26.24
Day's High	$67.66
Day's Low	$5.00
Previous Close	$26.14
Volume	247.17K
Average Volume	468.66K
P/E Ratio	14.16
52-Week High	$29.52
52-Week Low	$16.65
Dividend Yield	--
Earnings Date	--

Amphastar Pharmaceuticals, Inc. (AMPH) After-Hours Stock Price

Amphastar Pharmaceuticals, Inc. (AMPH) is trading at $25.75 in after-hours trading as of 2026-10-20 22:23:00, down 1.50% ($0.39) from the regular-session close of $26.14.

After-hours trading shows how investors are pricing AMPH after the regular session closes. The current after-hours price is below the regular-session close, indicating cautious after-hours sentiment.

Amphastar Pharmaceuticals, Inc. (AMPH) 7-Day Stock Price Change

Over the past seven days, Amphastar Pharmaceuticals, Inc. (AMPH) moved from $26.62 to $25.97, representing a decline of 2.43% ($0.65).

The stock traded between $25.52 and $27.10 during the period. The latest price is near the lower end of the 7-day range, indicating moderate downward.

The average daily volume was 356.54 thousand shares, down versus the previous seven-day period, indicating lower trading activity.

AMPH 52-Week Price Position

Position in Range: 72.4%

52W Low$16.65

52W High$29.52

AMPH is currently trading at $25.97, placing it 72.4% of the way from its 52-week low of $16.65 to its 52-week high of $29.52. This percentage reflects the stock's relative position within its 52-week trading range, not its valuation or future performance.

What is Amphastar Pharmaceuticals, Inc. (AMPH)?

Amphastar Pharmaceuticals Inc is a bio-pharmaceutical company focusing on developing, manufacturing, marketing, and selling technically challenging generic and proprietary injectable, inhalation, and intranasal products, as well as insulin active pharmaceutical ingredient (or insulin API products. The company's finished products are used in hospital or urgent care clinical settings and are contracted and distributed through group purchasing organizations and drug wholesalers. The company has one reportable segment: pharmaceutical products. Geographically, the business presence of the firm is seen in the United States, China, and France, of which the U.S. accounts for the majority of the revenue.

Amphastar Pharmaceuticals, Inc. Information

Industry	PHARMACEUTICAL PREPARATIONS
Employees	1976
Exchange	NASDAQ
Company Website	https://www.amphastar.com

How to Buy Amphastar Pharmaceuticals, Inc. (AMPH) Stock on MEXC

Eligible investors can buy real shares of Amphastar Pharmaceuticals, Inc. (AMPH) through MEXC RealStocks. Follow these three steps to open a RealStocks account, transfer USDT, and place a US stock order.

Step 1: Open and Verify Your RealStocks Account

Log in to the MEXC App, go to Trade → RealStocks, and select Open Account. Complete the required account-opening and identity verification process with MEXC's partner licensed broker.

Step 2: Transfer USDT to Your RealStocks Account

Go to Wallets → RealStocks and transfer USDT from your Spot Account to your RealStocks Account. RealStocks are quoted in USD, while account funding can be completed using USDT.

Step 3: Search for AMPH and Place Your Order

Open the RealStocks trading page and search for AMPH. Select a market or limit order, enter the price and quantity as required, review the order details, and submit your order. Once filled, the corresponding real shares will be held in your RealStocks Account.

Frequently Asked Questions (FAQ)

1.What is Amphastar Pharmaceuticals, Inc. (AMPH) stock price today?

Amphastar Pharmaceuticals, Inc. (AMPH) is currently trading at $ 25.97, down 0.64% ($0.17) from the previous close of $ 26.14. Intraday prices update in real time during regular trading hours.

2.Is AMPH stock going up or down today?

As of 2026-10-20 22:23:00, AMPH is trading at $ 25.97, down 0.64% ($0.17) from its previous close of $ 26.14. The stock has traded between $ 5.00 and $ 67.66 during today’s regular session. Past price movements do not guarantee future results.

3.What is AMPH pre-market price?

As of 2026-10-20 22:23:00, AMPH is trading at $ 26.12 in pre-market trading, down 0.08% ($0.02) from the previous close of $ 26.14. Pre-market prices reflect trading activity before the regular session opens and may experience lower liquidity and higher volatility.

4.What is AMPH after-hours price?

As of 2026-10-20 22:23:00, AMPH is trading at $ 25.75 in after-hours trading, down 1.50% ($0.39) from the regular-session close of $ 26.14. After-hours prices may differ from the regular session’s opening price due to lower liquidity and wider bid-ask spreads.

5.Is AMPH stock trading now?

AMPH trades on the NASDAQ exchange during regular hours, Monday through Friday, 9:30 AM to 4:00 PM ET, excluding public holidays. Pre-market and after-hours trading are also available through select brokers outside these hours.

6.Where does AMPH sit relative to its 52-week high and low?

Over the past 52 weeks, AMPH has traded between a low of $ 16.65 and a high of $ 29.52. At $ 25.97, the stock is positioned 72.4% of the way from its 52-week low to its 52-week high, providing context for its current price within the one-year trading range.

7.What sector is Amphastar Pharmaceuticals, Inc. in?

Amphastar Pharmaceuticals, Inc. (AMPH) operates in the PHARMACEUTICAL PREPARATIONS sector. Sector classification helps investors compare it with companies exposed to similar market trends and competitive conditions.

8.What is Amphastar Pharmaceuticals, Inc.'s market capitalization and where is it listed?

Amphastar Pharmaceuticals, Inc. is listed on the NASDAQ exchange with a market capitalization of $ 1.10B. Market cap reflects the total market value of all outstanding shares and is commonly used to classify stocks by size.

9.How is AMPH valued in terms of P/E ratio and EPS?

AMPH trades at a P/E ratio of 14.16, based on trailing-twelve-month EPS of $ 1.85. P/E ratio compares the stock price to earnings per share and is a common starting point for assessing valuation relative to peers.

10.Does Amphastar Pharmaceuticals, Inc. pay a dividend?

Amphastar Pharmaceuticals, Inc. pays an indicated annual cash dividend of $ 0.00 per share, with a current dividend yield of 0.00% based on the latest share price. Dividend policies are subject to change at the board's discretion.