The highest closing price for Alto Ingredients (ALTO) last month was $4.11, on September 8. It was down 6.3% for the month. The latest price is $3.71.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
September 30 2026 | $3.74 | $3.74 | $3.65 | $3.69 | 893,000 |
September 29 2026 | $3.65 | $3.66 | $3.55 | $3.63 | 1,270,200 |
September 28 2026 | $3.72 | $3.72 | $3.60 | $3.67 | 889,000 |
September 25 2026 | $3.74 | $3.80 | $3.68 | $3.73 | 732,900 |
September 24 2026 | $3.72 | $3.77 | $3.67 | $3.74 | 1,092,500 |
September 23 2026 | $3.83 | $3.83 | $3.71 | $3.73 | 969,600 |
September 22 2026 | $3.92 | $3.96 | $3.81 | $3.82 | 981,600 |
September 21 2026 | $3.98 | $4.04 | $3.89 | $3.91 | 1,059,900 |
September 18 2026 | $4.02 | $4.03 | $3.91 | $4.00 | 3,176,300 |
September 17 2026 | $4.05 | $4.12 | $4.00 | $4.02 | 679,100 |
September 16 2026 | $4.06 | $4.13 | $3.96 | $4.02 | 1,342,300 |
September 15 2026 | $4.00 | $4.09 | $3.93 | $4.09 | 787,800 |
September 14 2026 | $3.89 | $4.05 | $3.88 | $3.96 | 1,259,800 |
September 11 2026 | $4.00 | $4.03 | $3.89 | $3.90 | 811,200 |
September 10 2026 | $3.93 | $4.04 | $3.93 | $3.96 | 748,100 |
September 09 2026 | $4.08 | $4.16 | $3.96 | $4.02 | 1,554,500 |
September 08 2026 | $4.02 | $4.13 | $3.98 | $4.11 | 634,500 |
September 04 2026 | $4.04 | $4.10 | $3.98 | $4.04 | 706,000 |
September 03 2026 | $4.13 | $4.15 | $4.01 | $4.03 | 1,288,800 |
September 02 2026 | $4.03 | $4.23 | $4.02 | $4.11 | 2,087,200 |
September 01 2026 | $3.94 | $4.05 | $3.88 | $4.02 | 1,432,400 |
Daily pricing data for Alto Ingredients dates back to 7/24/1995, and may be incomplete.