Skip to main content
ASPI logo

ASPI · ASP Isotopes Inc.

Track ASPI — free
$4.00 +0.05 (+1.27%) At close · Aug 21
Market Cap
$605.57M
Shares
153.31M

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
2026-07-13 5,031,408 7,311,999 12,343,407 47.8%
2026-07-06 2,767,170 4,611,787 7,378,957 45.5%
2026-06-29 2,870,911 5,305,438 8,176,349 45.5%
2026-06-22 3,505,096 8,796,977 12,302,073 41.8%
2026-06-15 2,204,743 5,436,792 7,641,535 45.9%
2026-06-08 3,581,771 7,385,716 10,967,487 44.9%
2026-06-01 5,169,866 11,531,109 16,700,975 47.7%
2026-05-25 5,136,838 15,140,361 20,277,199 49.4%
2026-05-18 3,406,862 6,828,385 10,235,247 44.9%
2026-05-11 4,057,263 10,399,924 14,457,187 48.9%
2026-05-04 2,488,435 4,221,184 6,709,619 45.7%
2026-04-27 2,359,322 4,274,658 6,633,980 46.1%
2026-04-20 2,674,711 5,705,168 8,379,879 45.6%
2026-04-13 4,514,865 11,871,283 16,386,148 51.3%
2026-04-06 2,677,532 5,144,824 7,822,356 47.8%
2026-03-30 2,406,460 5,175,099 7,581,559 50.6%
2026-03-23 3,835,547 10,332,721 14,168,268 52.5%
2026-03-16 3,638,222 9,879,839 13,518,061 46.6%
2026-03-09 5,561,620 13,694,780 19,256,400 53.2%
2026-03-02 2,782,708 7,473,794 10,256,502 50.4%
2026-02-23 2,545,766 5,546,282 8,092,048 51.6%
2026-02-16 1,929,490 3,720,798 5,650,288 46.5%
2026-02-09 3,129,949 5,733,750 8,863,699 46.8%
2026-02-02 4,622,898 9,872,877 14,495,775 49.0%
2026-01-26 4,966,776 12,113,552 17,080,328 49.9%
2026-01-19 3,920,655 10,826,488 14,747,143 50.9%
2026-01-12 5,688,435 9,683,946 15,372,381 48.8%
2026-01-05 7,436,362 9,943,370 17,379,732 47.9%
2025-12-29 2,673,229 5,835,231 8,508,460 44.5%
2025-12-22 3,067,169 6,189,482 9,256,651 48.7%
2025-12-15 3,975,619 7,548,916 11,524,535 42.1%
2025-12-08 3,204,070 7,465,372 10,669,442 48.2%
2025-12-01 6,289,232 12,422,549 18,711,781 52.1%
2025-11-24 4,094,672 7,110,677 11,205,349 47.0%
2025-11-17 7,097,663 11,561,070 18,658,733 45.0%
2025-11-10 4,200,776 8,651,266 12,852,042 46.8%
2025-11-03 6,556,603 15,633,280 22,189,883 52.1%
2025-10-27 4,761,946 12,896,627 17,658,573 53.2%
2025-10-20 6,400,406 15,881,060 22,281,466 48.8%
2025-10-13 15,146,423 29,548,137 44,694,560 47.0%
2025-10-06 5,828,105 14,483,828 20,311,933 45.9%
2025-09-29 5,430,748 10,325,305 15,756,053 49.4%
2025-09-22 4,227,333 13,061,276 17,288,609 52.6%
2025-09-15 4,710,931 9,959,969 14,670,900 49.4%
2025-09-08 2,610,036 3,777,888 6,387,924 48.2%
2025-09-01 3,986,819 9,739,702 13,726,521 55.1%
2025-08-25 4,024,516 10,444,085 14,468,601 54.6%
Showing 1–47 of 47 weeks
Key facts CIK 1921865 CUSIP 00218A105 13F (30d) 174 filings 174 filers Visit website Investor relations