Balance Sheet
Cash Flow Statement
Daily Values
Growth Metrics
Income Statement
Others
Ratios
Asset Utilization RatioAssets AverageDebt RatioDebt to EquityEBIT MarginEBITDA MarginEBT MarginEnterprise ValueEquity AverageEquity RatioFCF MarginGross MarginInterest Coverage RatioInventory AverageInvested CapitalMarket CapitalizationNet MarginOperating MarginReturn on AssetsReturn on Capital EmployedReturn on EquityReturn on Invested CapitalReturn on SalesTimes Interest Earned

Amphastar Pharmaceuticals (AMPH) Operating Margin: 2013-2025

Historic Operating Margin for Amphastar Pharmaceuticals (AMPH) over the last 13 years, with Sep 2025 value amounting to 13.20%.

  • Amphastar Pharmaceuticals' Operating Margin fell 1664.00% to 13.20% in Q3 2025 from the same period last year, while for Sep 2025 it was 20.73%, marking a year-over-year decrease of 888.00%. This contributed to the annual value of 28.06% for FY2024, which is 251.00% down from last year.
  • Per Amphastar Pharmaceuticals' latest filing, its Operating Margin stood at 13.20% for Q3 2025, which was down 45.43% from 24.19% recorded in Q2 2025.
  • Amphastar Pharmaceuticals' Operating Margin's 5-year high stood at 40.25% during Q3 2023, with a 5-year trough of 10.00% in Q1 2021.
  • Its 3-year average for Operating Margin is 26.48%, with a median of 25.32% in 2023.
  • Its Operating Margin has fluctuated over the past 5 years, first surged by 2,092bps in 2023, then plummeted by 1,664bps in 2025.
  • Amphastar Pharmaceuticals' Operating Margin (Quarterly) stood at 20.06% in 2021, then soared by 796bps to 28.02% in 2022, then surged by 229bps to 30.31% in 2023, then slumped by 611bps to 24.20% in 2024, then slumped by 1,664bps to 13.20% in 2025.
  • Its Operating Margin was 13.20% in Q3 2025, compared to 24.19% in Q2 2025 and 21.87% in Q1 2025.