24.11
price down icon2.19%   -0.54
after-market After Hours: 24.11
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Amphastar Pharmaceuticals Inc Stock (AMPH) Price History

The historical daily chart and data for Amphastar Pharmaceuticals Inc stock (AMPH), show that the latest closing stock price as of May 09, 2025, is $24.11.
  • Amphastar Pharmaceuticals Inc all-time high stock price is $67.66, occurred on August 09, 2023.
  • The lowest Amphastar Pharmaceuticals Inc stock price recorded was $6.67 on June 25, 2014. Since then, Amphastar Pharmaceuticals Inc's stock price has risen over 261.47% to $24.11 now.
  • The 52-week high stock price for AMPH is $53.95, representing a 123.79% increase from the current share price, occurred on November 06, 2024.
  • The 52-week low stock price for AMPH is $22.64, indicating a -6.10% decrease from the current share price, occurred on April 16, 2025.
  • The closing price of Amphastar Pharmaceuticals Inc (AMPH) stock in the beginning of 2024 was $23.07. The stock closed the year at $28.02, a gain of over 21.46% for the year.
The table below shows more information about AMPH historical price data:
Date High Low High - Low Volume % Change
May 09, 2025 $25.02 $23.30 $1.72 790,220.0 -2.19%
May 08, 2025 $25.36 $23.68 $1.68 751,553.0 +0.90%
May 07, 2025 $24.61 $23.95 $0.665 819,737.0 +2.35%
May 06, 2025 $25.04 $23.69 $1.35 751,736.0 -4.98%
May 05, 2025 $25.36 $24.34 $1.02 681,271.0 +2.53%
May 02, 2025 $24.69 $24.19 $0.50 673,997.0 +2.60%
May 01, 2025 $24.54 $23.76 $0.78 562,390.0 -2.17%
Apr 30, 2025 $24.52 $23.91 $0.605 460,186.0 -0.37%
Apr 29, 2025 $24.61 $24.19 $0.42 296,381.0 +0.37%
Apr 28, 2025 $24.47 $24.12 $0.35 355,520.0 +0.91%
Apr 25, 2025 $24.25 $23.63 $0.62 235,285.0 +0.50%
Apr 24, 2025 $24.15 $23.35 $0.80 388,055.0 +2.16%
Apr 23, 2025 $24.68 $23.46 $1.22 317,434.0 -1.55%
Apr 22, 2025 $24.01 $23.17 $0.84 525,219.0 +1.83%
Apr 21, 2025 $23.59 $22.84 $0.75 486,466.0 +0.64%
Apr 17, 2025 $23.61 $23.08 $0.535 735,039.0 +1.57%
Apr 16, 2025 $23.74 $22.64 $1.10 904,494.0 -2.17%
Apr 15, 2025 $24.92 $23.39 $1.53 779,873.0 -3.77%
Apr 14, 2025 $24.77 $23.94 $0.825 523,509.0 +1.08%
Apr 11, 2025 $24.21 $23.35 $0.865 482,692.0 +2.72%

Amphastar Pharmaceuticals Inc Stock (AMPH) Year by Year Price History

In this detailed analysis, we present a comprehensive overview of the price movements of Amphastar Pharmaceuticals Inc stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of AMPH shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Amphastar Pharmaceuticals Inc stock price history provides a foundation for understanding how the company's stock has evolved over time.

Amphastar Pharmaceuticals Inc Stock (AMPH) Price History 2025

Month High Low High - Low Volume % Change
May, 2025 $25.36 $23.30 $2.06 5,821,124.0 -1.23%
Apr, 2025 $29.27 $22.64 $6.63 13,298,283.0 -15.80%
Mar, 2025 $29.37 $25.89 $3.48 12,382,251.0 +1.97%
Feb, 2025 $34.39 $27.82 $6.57 10,545,190.0 -18.47%
Jan, 2025 $39.01 $34.60 $4.41 11,099,058.0 -6.09%

Amphastar Pharmaceuticals Inc Stock (AMPH) Price History 2024

Month High Low High - Low Volume % Change
Dec, 2024 $46.11 $36.80 $9.31 11,753,587.0 -18.48%
Nov, 2024 $53.95 $43.09 $10.86 8,864,599.0 -10.57%
Oct, 2024 $51.84 $45.50 $6.34 6,181,025.0 +4.12%
Sep, 2024 $50.62 $43.60 $7.02 7,247,128.0 -0.43%
Aug, 2024 $49.30 $38.42 $10.88 8,332,208.0 +11.99%
Jul, 2024 $44.25 $36.56 $7.69 8,991,845.0 +8.80%
Jun, 2024 $43.49 $39.53 $3.96 6,654,536.0 -5.50%
May, 2024 $46.62 $41.21 $5.41 7,425,781.0 +2.62%
Apr, 2024 $43.97 $38.43 $5.54 7,194,165.0 -6.06%
Mar, 2024 $48.00 $42.16 $5.84 9,536,304.0 -5.71%
Feb, 2024 $56.45 $44.58 $11.88 9,097,171.0 -12.72%
Jan, 2024 $65.92 $52.33 $13.59 11,255,123.0 -13.73%

Amphastar Pharmaceuticals Inc Stock (AMPH) Price History 2023

Month High Low High - Low Volume % Change
Dec, 2023 $63.67 $54.06 $9.61 9,226,713.0 +9.82%
Nov, 2023 $58.35 $44.42 $13.93 9,463,879.0 +24.41%
Oct, 2023 $48.50 $43.78 $4.72 6,909,249.0 -1.57%
Sep, 2023 $55.44 $44.86 $10.58 12,892,923.0 -13.73%
Aug, 2023 $67.66 $51.43 $16.23 8,441,845.0 -12.16%
Jul, 2023 $63.72 $54.53 $9.19 7,545,301.0 +5.60%
Jun, 2023 $58.70 $44.55 $14.16 11,258,527.0 +29.52%
May, 2023 $45.50 $35.69 $9.81 8,573,949.0 +24.04%
Apr, 2023 $44.15 $35.62 $8.53 8,031,621.0 -4.61%
Mar, 2023 $38.22 $33.61 $4.61 8,754,997.0 +17.70%
Feb, 2023 $33.13 $29.91 $3.22 4,105,630.0 +5.29%
Jan, 2023 $31.28 $27.58 $3.70 3,984,619.0 +7.99%
$30.13
price down icon 0.82%
$81.74
price up icon 1.62%
$8.77
price down icon 3.52%
$115.71
price down icon 1.54%
drug_manufacturers_specialty_generic RDY
$13.40
price up icon 1.67%
$301.42
price down icon 2.14%
Cap:     |  Volume (24h):