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Amtech Systems, Inc. (ASYS)
NASDAQ: ASYS · Real-Time Price · USD
18.01
+0.76 (4.41%)
At close: Oct 2, 2026, 4:00 PM EDT
18.02
+0.01 (0.06%)
After-hours: Oct 2, 2026, 7:52 PM EDT

Amtech Systems Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Oct 2, 202617.8218.1117.6018.0118.014.41%285,742
Oct 1, 202616.7817.3516.6617.2517.252.80%198,424
Sep 30, 202616.7016.9116.5616.7816.781.02%179,640
Sep 29, 202616.2616.6816.1416.6116.614.79%347,085
Sep 28, 202615.6115.9715.4515.8515.850.44%167,022
Sep 25, 202615.4415.9115.3215.7815.782.47%150,675
Sep 24, 202615.0315.4014.4915.4015.40-0.19%194,985
Sep 23, 202615.0915.4614.8415.4315.430.85%195,961
Sep 22, 202614.8715.3114.7415.3015.302.14%194,373
Sep 21, 202614.5515.2414.2914.9814.985.49%272,669
Sep 18, 202614.3814.3813.9014.2014.202.45%745,420
Sep 17, 202614.4014.6113.8613.8613.860.07%295,831
Sep 16, 202613.9814.2613.6213.8513.850.14%235,067
Sep 15, 202613.8113.8513.3413.8313.831.62%267,810
Sep 14, 202614.0014.2513.5713.6113.61-8.72%253,761
Sep 11, 202615.3015.5814.8614.9114.91-1.00%174,319
Sep 10, 202614.7315.4714.7215.0615.06-1.31%317,350
Sep 9, 202615.3115.6715.1415.2615.26-1.48%398,244
Sep 8, 202615.0815.6215.0815.4915.493.61%158,759
Sep 4, 202614.5615.0314.4114.9514.954.04%312,683
Sep 3, 202614.5914.6413.8414.3714.37-1.58%281,456
Sep 2, 202614.3614.6614.3114.6014.600.55%271,450
Sep 1, 202614.2314.5514.0014.5214.52-0.68%424,942
Aug 31, 202615.0315.2714.5114.6214.62-2.92%363,435
Aug 28, 202615.5315.8314.9315.0615.06-4.86%354,098
Aug 27, 202615.5216.0815.2915.8315.834.35%515,029
Aug 26, 202614.7315.5114.6915.1715.176.46%715,051
Aug 25, 202614.3014.4414.0014.2514.251.79%230,812
Aug 24, 202614.3014.3513.6514.0014.00-4.31%422,683
Aug 21, 202614.6214.7514.1314.6314.630.07%361,107
Aug 20, 202614.4614.9614.2414.6214.62-1.35%484,866
Aug 19, 202617.1217.1214.6214.8214.82-12.20%1,273,655
Aug 18, 202617.4017.6916.0816.8816.880.12%960,236
Aug 17, 202616.3017.8016.1516.8616.865.11%652,621
Aug 14, 202615.7816.1615.5916.0416.040.25%206,480
Aug 13, 202615.8516.3415.6516.0016.000.38%253,243
Aug 12, 202615.8616.1515.6115.9415.943.51%278,307
Aug 11, 202615.3515.5415.0115.4015.402.05%225,606
Aug 10, 202615.6816.0014.9015.0915.09-2.83%530,782
Aug 7, 202615.2916.0815.1615.5315.533.88%264,820
Aug 6, 202616.0116.0414.8114.9514.95-6.62%596,231
Aug 5, 202617.1917.4815.9616.0116.01-8.20%555,740
Aug 4, 202616.5317.4916.3717.4417.4411.08%373,891
Aug 3, 202614.8315.9014.8215.7015.702.35%210,675
Jul 31, 202615.3615.7814.6915.3415.343.72%260,630
Jul 30, 202614.5315.0014.2914.7914.798.35%274,401
Jul 29, 202614.5514.9613.6013.6513.65-7.02%392,827
Jul 28, 202614.9414.9513.8814.6814.68-4.74%595,052
Jul 27, 202616.0616.0614.9015.4115.41-3.02%336,677
Jul 24, 202617.1017.2315.7115.8915.89-7.88%243,313