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Alto Ingredients - 30 Year Stock Price History | ALTO

Historical daily share price chart and data for Alto Ingredients since 1995 adjusted for splits and dividends. The latest closing stock price for Alto Ingredients as of June 11, 2025 is 1.17.
  • The all-time high Alto Ingredients stock closing price was 4450.95 on May 11, 2006.
  • The Alto Ingredients 52-week high stock price is 2.05, which is 75.2% above the current share price.
  • The Alto Ingredients 52-week low stock price is 0.76, which is 35% below the current share price.
  • The average Alto Ingredients stock price for the last 52 weeks is 1.41.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.
  
Alto Ingredients Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2025 1.2600 1.6900 1.8700 0.7811 1.1700 -25.00%
2024 1.7226 2.6800 2.7400 1.2100 1.5600 -41.35%
2023 2.9279 2.9100 4.9150 1.2200 2.6600 -7.64%
2022 4.6389 5.1800 7.1800 2.6800 2.8800 -40.12%
2021 5.6689 5.7000 8.0400 4.4600 4.8100 -11.42%
2020 2.8874 0.8134 10.8300 0.2284 5.4300 735.38%
2019 0.8475 1.0900 1.4900 0.4608 0.6500 -24.51%
2018 2.7591 4.6000 4.7000 0.8060 0.8610 -81.08%
2017 6.0675 9.8500 9.8500 4.1500 4.5500 -52.11%
2016 5.8547 4.8500 10.2500 2.8000 9.5000 98.74%
2015 8.4795 10.9400 13.4000 3.8300 4.7800 -53.73%
2014 13.7821 5.2300 23.5200 5.0800 10.3300 102.95%
2013 4.3092 5.1000 6.3150 2.4300 5.0900 7.35%
2012 9.7781 16.6500 24.1500 4.2825 4.7415 -70.18%
2011 34.9886 76.6500 109.2000 4.0500 15.9000 -79.02%
2010 112.0217 81.6480 254.1000 43.0500 75.7785 1.65%
2009 47.9350 49.3500 99.7500 23.1000 74.5500 61.36%
2008 303.7941 852.6000 929.2500 37.8000 46.2000 -94.64%
2007 1301.7082 1575.0000 1874.2500 443.1000 862.0500 -46.65%
2006 2107.5759 1160.2500 4450.9500 1048.9500 1615.9500 42.24%
2005 960.4370 630.0000 1415.4000 576.4500 1136.1000 82.46%
2004 432.7811 241.5000 708.7500 170.1000 622.6500 152.34%
2003 250.8210 141.7500 530.2500 131.2500 246.7500 51.61%
2002 519.8209 724.5000 1050.0000 162.7500 162.7500 -75.40%
2001 611.3445 196.8750 966.0000 196.8750 661.5000 188.00%
2000 1218.9323 1575.0000 3215.6200 164.0620 229.6880 -85.42%
1999 826.9278 1607.8100 1837.5000 410.1560 1575.0000 0.00%
1998 2300.4801 3051.5600 3543.7500 787.5000 1575.0000 -42.86%
1997 1560.3490 918.7500 3642.1900 656.2500 2756.2500 223.08%
1996 648.4795 426.5620 1246.8800 213.2810 853.1250 116.67%
Sector Industry Market Cap Revenue
Consumer Discretionary Consumer Products - Misc. Discretionary $0.085B $0.965B
Alto Ingredients Inc. is a producer of specialty alcohols and essential ingredients. The company is focused on products which includes Health, Home & Beauty; Food & Beverage; Essential Ingredients and Renewable Fuels. Alto Ingredients Inc., formerly known as Pacific Ethanol Inc., is based in SACRAMENTO, Calif.
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