ASYS
Amtech Systems IncCompany with tickers: ASYS
Market Cap
$299.70M
Shares Outstanding
14,499,088
CIK
720500
CUSIP
032332504
13F Activity (30d)
3 filings
2 filers
Website
Visit website
Investor Relations
Investor relations
Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.
Off-Exchange Volume History
| Week Start | ATS Volume | Non-ATS OTC Volume | Total Off-Exchange | % of FINRA Weekly Volume |
|---|---|---|---|---|
| 2026-05-04 | 280,065 | 488,551 | 768,616 | 45.1% |
| 2026-04-27 | 197,010 | 311,130 | 508,140 | 51.9% |
| 2026-04-20 | 257,049 | 701,600 | 958,649 | 65.5% |
| 2026-04-13 | 190,106 | 338,437 | 528,543 | 56.8% |
| 2026-04-06 | 161,143 | 222,017 | 383,160 | 46.3% |
| 2026-03-30 | 104,327 | 110,221 | 214,548 | 50.5% |
| 2026-03-23 | 121,203 | 125,100 | 246,303 | 40.0% |
| 2026-03-16 | 209,339 | 428,485 | 637,824 | 41.5% |
| 2026-03-09 | 141,020 | 156,709 | 297,729 | 42.9% |
| 2026-03-02 | 187,090 | 212,323 | 399,413 | 43.3% |
| 2026-02-23 | 138,760 | 226,272 | 365,032 | 46.1% |
| 2026-02-16 | 173,030 | 246,120 | 419,150 | 49.3% |
| 2026-02-09 | 503,881 | 921,615 | 1,425,496 | 48.9% |
| 2026-02-02 | 485,250 | 1,255,982 | 1,741,232 | 50.3% |
| 2026-01-26 | 476,118 | 900,102 | 1,376,220 | 55.6% |
| 2026-01-19 | 484,954 | 1,316,934 | 1,801,888 | 52.7% |
| 2026-01-12 | 285,402 | 501,361 | 786,763 | 47.8% |
| 2026-01-05 | 186,518 | 485,635 | 672,153 | 53.6% |
| 2025-12-29 | 142,652 | 301,062 | 443,714 | 44.4% |
| 2025-12-22 | 183,282 | 406,712 | 589,994 | 51.2% |
| 2025-12-15 | 215,684 | 493,114 | 708,798 | 49.9% |
| 2025-12-08 | 132,281 | 592,613 | 724,894 | 47.6% |
| 2025-12-01 | 57,986 | 114,056 | 172,042 | 43.0% |
| 2025-11-24 | 45,490 | 57,892 | 103,382 | 35.0% |
| 2025-11-17 | 58,135 | 154,788 | 212,923 | 38.8% |
| 2025-11-10 | 80,991 | 169,993 | 250,984 | 40.4% |
| 2025-11-03 | 155,063 | 242,479 | 397,542 | 44.6% |
| 2025-10-27 | 138,043 | 207,220 | 345,263 | 44.5% |
| 2025-10-20 | 110,189 | 218,066 | 328,255 | 46.4% |
| 2025-10-13 | 247,214 | 620,529 | 867,743 | 47.4% |
| 2025-10-06 | 238,329 | 1,092,894 | 1,331,223 | 47.6% |
| 2025-09-29 | 185,806 | 894,351 | 1,080,157 | 60.8% |
| 2025-09-22 | 219,601 | 622,262 | 841,863 | 51.7% |
| 2025-09-15 | 196,104 | 821,801 | 1,017,905 | 52.7% |
| 2025-09-08 | 288,306 | 2,276,861 | 2,565,167 | 61.2% |
| 2025-09-01 | 51,531 | 232,576 | 284,107 | 58.0% |
| 2025-08-25 | 44,706 | 279,524 | 324,230 | 62.0% |
| 2025-08-18 | 31,813 | 387,827 | 419,640 | 64.5% |
| 2025-08-11 | 41,576 | 108,221 | 149,797 | 62.6% |
| 2025-08-04 | 13,090 | 121,650 | 134,740 | 60.4% |
| 2025-07-28 | 6,829 | 80,767 | 87,596 | 54.5% |
| 2025-07-21 | 9,914 | 94,126 | 104,040 | 61.4% |
| 2025-07-14 | 18,434 | 93,171 | 111,605 | 60.0% |
| 2025-07-07 | 12,870 | 138,015 | 150,885 | 59.0% |
| 2025-06-30 | 4,651 | 51,644 | 56,295 | 60.2% |
Showing 1–45 of 45 weeks