Amtech Systems Inc. (ASYS)
Showing Closing Date Range from Oct 21 to Oct 28, 2026 compared to Oct 13 to Oct 20, 2026.
Compare Last 7 Days with Previous Period
Investor Relations:amtechsystems.com/investors
Current Period Close
$13.69
Oct 21, 2026 - Oct 28, 2026
Previous Period Close
$13.62
Oct 13, 2026 - Oct 20, 2026
Net Comparison Delta
+$0.07 (+0.51%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(6 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 28, 2026 | $13.69 | Oct 20, 2026 | $13.62 | +0.51% |
| Oct 27, 2026 | $13.45 | Oct 19, 2026 | $13.16 | +2.20% |
| Oct 26, 2026 | $12.64 | Oct 16, 2026 | $12.80 | -1.25% |
| Oct 23, 2026 | $12.42 | Oct 15, 2026 | $13.45 | -7.66% |
| Oct 22, 2026 | $12.34 | Oct 14, 2026 | $14.00 | -11.86% |
| Oct 21, 2026 | $13.89 | Oct 13, 2026 | $15.40 | -9.81% |