Amtech Systems Inc. (ASYS)
Showing Closing Date Range from Oct 6 to Nov 3, 2026 compared to Sep 7 to Oct 5, 2026.
Compare Last 28 Days with Previous Period
Investor Relations:amtechsystems.com/investors
Current Period Close
$12.80
Oct 06, 2026 - Nov 03, 2026
Previous Period Close
$17.83
Sep 07, 2026 - Oct 05, 2026
Net Comparison Delta
$-5.03 (-28.21%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(21 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Nov 03, 2026 | $12.80 | - | - | - |
| Nov 02, 2026 | $12.32 | - | - | - |
| Oct 30, 2026 | $12.75 | - | - | - |
| Oct 29, 2026 | $13.68 | Oct 05, 2026 | $17.83 | -23.28% |
| Oct 28, 2026 | $13.69 | Oct 02, 2026 | $18.01 | -23.99% |
| Oct 27, 2026 | $13.45 | Sep 30, 2026 | $16.73 | -19.61% |
| Oct 26, 2026 | $12.64 | Sep 29, 2026 | $16.61 | -23.90% |
| Oct 23, 2026 | $12.42 | Sep 28, 2026 | $15.85 | -21.64% |
| Oct 22, 2026 | $12.34 | Sep 25, 2026 | $15.78 | -21.80% |
| Oct 21, 2026 | $13.89 | Sep 24, 2026 | $15.40 | -9.81% |
| Oct 20, 2026 | $13.62 | Sep 23, 2026 | $15.43 | -11.73% |
| Oct 19, 2026 | $13.16 | Sep 21, 2026 | $14.98 | -12.15% |
| Oct 16, 2026 | $12.80 | Sep 18, 2026 | $14.20 | -9.86% |
| Oct 15, 2026 | $13.45 | Sep 17, 2026 | $13.86 | -2.96% |
| Oct 14, 2026 | $14.00 | Sep 16, 2026 | $13.85 | +1.08% |
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