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AMPH
Amphastar Pharmaceuticals, Inc.
stock NASDAQ

At Close
Jul 29, 2026 3:59:53 PM EDT
20.58USD+2.159%(+0.43)321,672
0.00Bid   0.00Ask   0.00Spread
Pre-market
0.00USD-100.000%(-20.15)0
After-hours
Jul 29, 2026 4:37:30 PM EDT
19.44USD-5.550%(-1.14)329
OverviewOption ChainMax PainOptionsHistoricalExchange VolumeDark Pool LevelsDark Pool PrintsExchangesShort VolumeShort Interest - DailyShort InterestBorrow Fee (CTB)Failure to Deliver (FTD)ShortsTrendsNewsMore
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Market Cap
905.45M
CEO
Jack Zhang
Headquarters
Rancho Cucamonga, California, USA
Industry
Drug Manufacturers-Specialty & Generic
Next Earnings
Aug 6, 2026 (7d)
Related
OSIRSCYXAGRXXLV
AMPH Stats
Avg. Vol. 10 Day
435,201
Avg. Vol. 30 Day
523,562
Employees
1,644
Market Cap
905,448,092
Shares Out.
44,092,919
On/Off Exchange
63%/37%
6 Month Beta
0.40
1 Year Beta
0.74
2 Year Beta
0.72
3 Year Beta
0.69
52 Week Low
16.65
52 Week High
31.26
SMA50
19.31
SMA200
23.01
1 Week
+6.40%
1 Month
-0.85%
3 Month
-5.06%
6 Month
-21.47%
1 Year
-5.24%
2 Year
-51.22%
5 Year
-1.13%
Profile
amphastar pharmaceuticals, inc., headquartered in rancho cucamonga, california, established in 1996, is a recognized specialty pharmaceutical company that uses state-of-the-art, cgmp compliant facilities to develop, manufacture, and market injectable and inhalation products. in addition to the corporate headquarters, amphastar has five manufacturing facilities located in the united states, china and europe along with a state-of-the-art new drug research center. amphastar and its subsidiaries each have their own distinct focus that they skillfully bring together to meet the varied needs of the pharmaceutical industry. we currently produce approximately 15 injectable products while we continue to develop a portfolio of generic and branded products that target large markets with high technical barriers to entry. amphastar's long-standing relationship with the major group purchasing organizations and drug wholesalers in the u.s. enables it to establish significant market share upon the int

AMPH Stock Summary

Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) stock price today is $20.58, and today's volume is 321,672. AMPH is up 2.159% today. The 30 day average volume is 523,562. AMPH market cap is 905.45M with 44,092,919 shares outstanding.



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