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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 July 11, 2025, is $21.66.
  • 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 224.74% to $21.66 now.
  • The 52-week high stock price for AMPH is $53.95, representing a 149.10% increase from the current share price, occurred on November 06, 2024.
  • The 52-week low stock price for AMPH is $22.64, indicating a 4.52% 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
Jul 11, 2025 $22.14 $21.48 $0.6556 449,056.0 -2.48%
Jul 10, 2025 $22.83 $22.20 $0.6304 479,102.0 -1.02%
Jul 09, 2025 $22.94 $22.29 $0.65 371,431.0 -0.71%
Jul 08, 2025 $23.38 $22.43 $0.95 657,358.0 -1.14%
Jul 07, 2025 $23.71 $22.80 $0.915 791,090.0 -1.47%
Jul 03, 2025 $23.77 $22.91 $0.855 221,782.0 -1.61%
Jul 02, 2025 $23.72 $23.20 $0.52 465,368.0 +1.03%
Jul 01, 2025 $24.52 $22.89 $1.63 444,408.0 +1.66%
Jun 30, 2025 $23.25 $22.81 $0.4387 396,047.0 -0.52%
Jun 27, 2025 $23.41 $22.86 $0.5549 1,270,239.0 -0.43%
Jun 26, 2025 $23.77 $23.03 $0.735 517,512.0 -1.15%
Jun 25, 2025 $24.53 $23.31 $1.22 426,861.0 -4.60%
Jun 24, 2025 $25.04 $24.53 $0.5099 395,263.0 -0.41%
Jun 23, 2025 $24.75 $24.39 $0.354 409,007.0 +0.49%
Jun 20, 2025 $25.85 $24.35 $1.50 672,732.0 -3.08%
Jun 18, 2025 $25.80 $25.26 $0.54 393,981.0 -1.05%
Jun 17, 2025 $26.06 $25.54 $0.525 399,982.0 -1.42%
Jun 16, 2025 $26.03 $25.59 $0.44 365,883.0 +0.62%
Jun 13, 2025 $26.27 $25.70 $0.57 402,342.0 -2.34%
Jun 12, 2025 $26.50 $25.77 $0.725 506,968.0 +1.50%

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
Jul, 2025 $24.52 $21.48 $3.04 4,328,651.0 -5.66%
Jun, 2025 $27.40 $22.81 $4.59 10,316,734.0 -10.70%
May, 2025 $25.92 $23.20 $2.72 11,844,539.0 +5.33%
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%
$14.90
price down icon 0.93%
$9.12
price down icon 1.41%
$133.46
price down icon 1.08%
$295.52
price down icon 1.55%
drug_manufacturers_specialty_generic RDY
$14.51
price down icon 1.09%
$16.40
price down icon 0.79%
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