The highest closing price for Amtech Systems (ASYS) last month was $18.77, on April 24. It was up 46.5% for the month. The latest price is $20.71.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
April 30 2026 | $17.20 | $17.94 | $16.70 | $17.41 | 282,100 |
April 29 2026 | $16.85 | $17.29 | $16.35 | $16.57 | 157,200 |
April 28 2026 | $17.36 | $17.66 | $16.26 | $16.60 | 169,900 |
April 27 2026 | $18.64 | $18.67 | $17.36 | $17.73 | 258,300 |
April 24 2026 | $17.50 | $19.74 | $17.22 | $18.77 | 571,700 |
April 23 2026 | $18.02 | $18.71 | $16.61 | $17.24 | 288,900 |
April 22 2026 | $17.15 | $18.75 | $16.56 | $18.00 | 753,600 |
April 21 2026 | $16.94 | $17.40 | $16.50 | $16.81 | 129,700 |
April 20 2026 | $16.54 | $16.98 | $16.21 | $16.72 | 132,500 |
April 17 2026 | $16.67 | $16.88 | $15.72 | $16.21 | 142,400 |
April 16 2026 | $16.00 | $16.41 | $15.76 | $16.40 | 113,400 |
April 15 2026 | $15.87 | $16.12 | $15.24 | $15.90 | 131,000 |
April 14 2026 | $17.41 | $17.41 | $15.65 | $15.97 | 215,700 |
April 13 2026 | $14.81 | $16.80 | $14.80 | $16.66 | 441,600 |
April 10 2026 | $14.09 | $14.94 | $13.72 | $14.75 | 123,500 |
April 09 2026 | $13.23 | $14.18 | $13.09 | $13.96 | 195,500 |
April 08 2026 | $12.68 | $13.27 | $12.68 | $13.03 | 124,700 |
April 07 2026 | $12.15 | $12.57 | $11.82 | $12.15 | 133,600 |
April 06 2026 | $12.27 | $13.00 | $12.10 | $12.27 | 253,300 |
April 02 2026 | $11.62 | $12.25 | $11.41 | $12.12 | 104,100 |
April 01 2026 | $11.88 | $12.45 | $11.68 | $11.95 | 175,400 |
Daily pricing data for Amtech Systems dates back to 8/9/1983, and may be incomplete.