ASTC · ASTROTECH Corp · Off Exchange
Market Cap
$10.07M
Shares
2.01M
Volume · Oct 20
18.24K
Avg daily vol (3M)
125.6K
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 |
|---|---|---|---|---|
| 2026-09-14 | 20,810 | 74,162 | 94,972 | 55.1% |
| 2026-09-07 | 17,910 | 49,775 | 67,685 | 57.1% |
| 2026-08-31 | 25,951 | 39,778 | 65,729 | 47.9% |
| 2026-08-24 | 22,055 | 73,451 | 95,506 | 44.2% |
| 2026-08-17 | 36,345 | 143,514 | 179,859 | 52.5% |
| 2026-08-10 | 87,633 | 541,545 | 629,178 | 56.1% |
| 2026-08-03 | 232,381 | 2,434,357 | 2,666,738 | 57.6% |
| 2026-07-27 | 27,890 | 128,299 | 156,189 | 49.3% |
| 2026-07-20 | 27,746 | 139,881 | 167,627 | 48.9% |
| 2026-07-13 | 46,373 | 115,028 | 161,401 | 46.3% |
| 2026-07-06 | 51,469 | 174,942 | 226,411 | 48.5% |
| 2026-06-29 | 273,563 | 1,790,541 | 2,064,104 | 57.9% |
| 2026-06-22 | 80,294 | 415,016 | 495,310 | 52.9% |
| 2026-06-15 | 151,834 | 885,538 | 1,037,372 | 62.1% |
| 2026-06-08 | 459,321 | 2,146,588 | 2,605,909 | 64.8% |
| 2026-06-01 | 1,801,451 | 12,777,116 | 14,578,567 | 52.5% |
| 2026-05-25 | 8,503,865 | 102,606,401 | 111,110,266 | 49.4% |
| 2026-05-18 | 7,356 | 47,587 | 54,943 | 43.9% |
| 2026-05-11 | 3,130 | 53,712 | 56,842 | 44.6% |
| 2026-05-04 | 6,513 | 91,817 | 98,330 | 56.1% |
| 2026-04-27 | 12,123 | 162,507 | 174,630 | 64.8% |
| 2026-04-20 | 24,118 | 615,366 | 639,484 | 65.9% |
| 2026-04-13 | 22,591 | 372,170 | 394,761 | 68.2% |
| 2026-04-06 | 92,118 | 539,396 | 631,514 | 55.5% |
| 2026-03-30 | 6,166,952 | 60,365,793 | 66,532,745 | 54.0% |
| 2026-03-23 | 1,008 | 73,864 | 74,872 | 34.0% |
| 2026-03-16 | 1,347 | 16,000 | 17,347 | 68.0% |
| 2026-03-09 | 963 | 16,173 | 17,136 | 47.6% |
| 2026-03-02 | 752 | 14,578 | 15,330 | 54.9% |
| 2026-02-23 | 639 | 12,065 | 12,704 | 66.9% |
| 2026-02-16 | 2,211 | 29,704 | 31,915 | 64.1% |
| 2026-02-09 | 1,966 | 22,760 | 24,726 | 49.9% |
| 2026-02-02 | 2,280 | 28,395 | 30,675 | 62.2% |
| 2026-01-26 | 4,298 | 29,304 | 33,602 | 61.5% |
| 2026-01-19 | 4,367 | 38,534 | 42,901 | 75.7% |
| 2026-01-12 | 3,532 | 34,960 | 38,492 | 66.6% |
| 2026-01-05 | 5,717 | 34,911 | 40,628 | 55.8% |
| 2025-12-29 | 8,208 | 76,368 | 84,576 | 55.8% |
| 2025-12-22 | 7,364 | 93,255 | 100,619 | 59.8% |
| 2025-12-15 | 27,284 | 169,390 | 196,674 | 55.8% |
| 2025-12-08 | 5,326 | 714,677 | 720,003 | 34.0% |
| 2025-12-01 | 809 | 34,028 | 34,837 | 67.0% |
| 2025-11-24 | 1,565 | 25,985 | 27,550 | 60.4% |
| 2025-11-17 | 4,474 | 85,343 | 89,817 | 62.6% |
| 2025-11-10 | 2,300 | 40,206 | 42,506 | 71.7% |
| 2025-11-03 | 6,775 | 37,233 | 44,008 | 62.7% |
| 2025-10-27 | 5,576 | 42,370 | 47,946 | 52.5% |
| 2025-10-20 | 10,381 | 86,070 | 96,451 | 55.4% |
Showing 1–48 of 48 weeks