Menu

Markets

Research

News

Learn
Paper trading
AI Chat
Get the app WatchlistsPortfoliosAlerts
Sign in

Amphastar Pharmaceuticals, Inc. AMPH

Full chart Compare
Set alert

Price alert · AMPH

All alert types
27.96 USD +0.84 (+3.10%)

Nov 4, 2026, 11:14 AM EST

27.09 Day range 28.05
16.65 52-week range 29.52
YTD
+4.41%
1 year
+10.69%

Financial health

Altman Z-Score

2.19 Grey zone

Bankruptcy-risk model: below 1.81 distress, above 2.99 safe.

Piotroski F-Score

6 / 9 Average

Nine pass/fail tests of profitability, leverage and efficiency.

FMP rating

A-4 / 5 overall

  • DCF 5
  • Return on Equity 4
  • Return on Assets 4
  • Debt / Equity 1
  • P/E 3
  • P/B 4

Valuation

P/E 12.8×
FY 2016: 80.1×FY 2017: 192×FY 2018: -166×FY 2019: 18.5×FY 2020: 675×FY 2021: 17.9×FY 2022: 14.9×FY 2023: 21.7×FY 2024: 11.3×FY 2025: 12.8×
FY 2016 5y median 14.9× FY 2025
P/S 1.7×
FY 2016: 3.3×FY 2017: 3.7×FY 2018: 3.1×FY 2019: 2.8×FY 2020: 2.7×FY 2021: 2.5×FY 2022: 2.7×FY 2023: 4.6×FY 2024: 2.5×FY 2025: 1.7×
FY 2016 5y median 2.5× FY 2025
P/B 1.6×
FY 2016: 2.5×FY 2017: 2.6×FY 2018: 2.8×FY 2019: 2.4×FY 2020: 2.4×FY 2021: 2.5×FY 2022: 2.6×FY 2023: 4.7×FY 2024: 2.5×FY 2025: 1.6×
FY 2016 5y median 2.5× FY 2025
P/FCF 10.3×
FY 2016: 48.7×FY 2017: 216×FY 2018: -107×FY 2019: 4378×FY 2020: 40.4×FY 2021: 15.8×FY 2022: 20.9×FY 2023: 20.5×FY 2024: 10.4×FY 2025: 10.3×
FY 2016 5y median 15.8× FY 2025
EV/EBITDA 8.2×
FY 2016: 26.2×FY 2017: 48.6×FY 2018: 130×FY 2019: 11.0×FY 2020: 30.5×FY 2021: 9.9×FY 2022: 8.9×FY 2023: 14.4×FY 2024: 8.3×FY 2025: 8.2×
FY 2016 5y median 8.9× FY 2025
EV/Sales 2.4×
FY 2016: 3.1×FY 2017: 3.6×FY 2018: 3.0×FY 2019: 2.8×FY 2020: 2.6×FY 2021: 2.5×FY 2022: 2.6×FY 2023: 5.4×FY 2024: 3.1×FY 2025: 2.4×
FY 2016 5y median 2.6× FY 2025
FCF Yield 9.7%
FY 2016: 2.1%FY 2017: 0.5%FY 2018: -0.9%FY 2019: 0.0%FY 2020: 2.5%FY 2021: 6.3%FY 2022: 4.8%FY 2023: 4.9%FY 2024: 9.6%FY 2025: 9.7%
FY 2016 5y median 6.3% FY 2025

Profitability

Gross Margin 49.5%
FY 2016: 40.8%FY 2017: 37.8%FY 2018: 36.3%FY 2019: 40.9%FY 2020: 41.0%FY 2021: 45.6%FY 2022: 49.9%FY 2023: 54.5%FY 2024: 51.1%FY 2025: 49.5%
FY 2016 5y median 49.9% FY 2025
Operating Margin 19.5%
FY 2016: 6.1%FY 2017: -0.4%FY 2018: -2.9%FY 2019: -0.0%FY 2020: 3.1%FY 2021: 16.0%FY 2022: 21.5%FY 2023: 30.6%FY 2024: 28.1%FY 2025: 19.5%
FY 2016 5y median 21.5% FY 2025
Net Margin 13.6%
FY 2016: 4.1%FY 2017: 1.9%FY 2018: -1.9%FY 2019: 15.2%FY 2020: 0.4%FY 2021: 14.2%FY 2022: 18.3%FY 2023: 21.3%FY 2024: 21.8%FY 2025: 13.6%
FY 2016 5y median 18.3% FY 2025
ROE 12.4%
FY 2016: 3.2%FY 2017: 1.3%FY 2018: -1.7%FY 2019: 12.8%FY 2020: 0.3%FY 2021: 13.9%FY 2022: 17.3%FY 2023: 21.5%FY 2024: 21.8%FY 2025: 12.4%
FY 2016 5y median 17.3% FY 2025
ROIC 7.5%
FY 2016: 3.0%FY 2017: -0.2%FY 2018: -1.4%FY 2019: -0.0%FY 2020: 0.5%FY 2021: 9.2%FY 2022: 13.1%FY 2023: 12.4%FY 2024: 12.3%FY 2025: 7.5%
FY 2016 5y median 12.3% FY 2025
ROA 6.0%
FY 2016: 2.5%FY 2017: 1.0%FY 2018: -1.1%FY 2019: 8.3%FY 2020: 0.2%FY 2021: 9.2%FY 2022: 12.3%FY 2023: 9.1%FY 2024: 10.1%FY 2025: 6.0%
FY 2016 5y median 9.2% FY 2025

Growth (YoY)

Revenue -1.7%
FY 2016: 1.4%FY 2017: -5.9%FY 2018: 22.7%FY 2019: 9.4%FY 2020: 8.5%FY 2021: 25.1%FY 2022: 14.0%FY 2023: 29.1%FY 2024: 13.6%FY 2025: -1.7%
FY 2016 FY 2025
Operating Income -31.7%
FY 2016: 327.5%FY 2017: -105.7%FY 2018: -863.5%FY 2019: 99.5%FY 2020: 28187.2%FY 2021: 538.0%FY 2022: 53.8%FY 2023: 83.2%FY 2024: 4.3%FY 2025: -31.7%
FY 2016 FY 2025
EPS (diluted) -33.7%
FY 2016: 454.8%FY 2017: -59.1%FY 2018: -233.3%FY 2019: 916.7%FY 2020: -97.1%FY 2021: 4270.6%FY 2022: 39.2%FY 2023: 49.4%FY 2024: 17.7%FY 2025: -33.7%
FY 2016 FY 2025
Free Cash Flow -29.7%
FY 2016: 420.1%FY 2017: -76.1%FY 2018: -309.7%FY 2019: 102.4%FY 2020: 11209.7%FY 2021: 201.3%FY 2022: -7.6%FY 2023: 123.1%FY 2024: 18.6%FY 2025: -29.7%
FY 2016 FY 2025

Financial Health

Current Ratio 4.0×
FY 2016: 3.0×FY 2017: 2.8×FY 2018: 2.1×FY 2019: 2.8×FY 2020: 2.5×FY 2021: 3.1×FY 2022: 4.0×FY 2023: 2.2×FY 2024: 3.1×FY 2025: 4.0×
FY 2016 5y median 3.1× FY 2025
Quick Ratio 2.9×
FY 2016: 1.7×FY 2017: 1.8×FY 2018: 1.4×FY 2019: 1.6×FY 2020: 1.6×FY 2021: 2.2×FY 2022: 2.9×FY 2023: 1.7×FY 2024: 2.2×FY 2025: 2.9×
FY 2016 5y median 2.2× FY 2025
Debt / Equity 0.8×
FY 2016: 0.1×FY 2017: 0.1×FY 2018: 0.2×FY 2019: 0.2×FY 2020: 0.2×FY 2021: 0.2×FY 2022: 0.2×FY 2023: 1.0×FY 2024: 0.9×FY 2025: 0.8×
FY 2016 5y median 0.8× FY 2025
Net Debt / EBITDA 2.3×
FY 2016: -1.1×FY 2017: -1.0×FY 2018: -5.3×FY 2019: -0.1×FY 2020: -0.8×FY 2021: -0.2×FY 2022: -0.4×FY 2023: 2.0×FY 2024: 1.8×FY 2025: 2.3×
FY 2016 5y median 1.8× FY 2025
Interest Coverage 5.5×
FY 2016: 15.3×FY 2017: -1.1×FY 2018: -35.5×FY 2019: -0.3×FY 2020: 29.3×FY 2021: 79.0×FY 2022: 58.2×FY 2023: 7.3×FY 2024: 6.8×FY 2025: 5.5×
FY 2016 5y median 7.3× FY 2025

Dividends

Dividend Yield 0.0%
FY 2016: 0.0%FY 2017: 0.0%FY 2018: 0.0%FY 2019: 0.0%FY 2020: 0.0%FY 2021: 0.0%FY 2022: 0.0%FY 2023: 0.0%FY 2024: 0.0%FY 2025: 0.0%
FY 2016 5y median 0.0% FY 2025
Payout Ratio 0.0%
FY 2016: 0.0%FY 2017: 0.0%FY 2018: 0.0%FY 2019: 0.0%FY 2020: 0.0%FY 2021: 0.0%FY 2022: 0.0%FY 2023: 0.0%FY 2024: 0.0%FY 2025: 0.0%
FY 2016 5y median 0.0% FY 2025

Annual · latest fiscal year ends 2025-12-31