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ISPC · iSpecimen Inc. · Off Exchange

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$1.09 +0.00 (+0.00%)
Market Cap
$2.75M
Shares
2.52M
Volume · Oct 8 71.25K Avg daily vol (3M) 662.95K

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
2026-08-31 15,321 3,343,183 3,358,504 49.4%
2026-08-24 42,041 554,405 596,446 65.0%
2026-08-17 92,243 4,613,653 4,705,896 50.6%
2026-08-10 37,080 106,297 143,377 56.4%
2026-08-03 37,829 234,505 272,334 49.6%
2026-07-27 13,579 71,447 85,026 42.6%
2026-07-20 21,501 98,327 119,828 49.9%
2026-07-13 26,305 419,588 445,893 38.8%
2026-07-06 21,625 190,147 211,772 46.4%
2026-06-29 14,309 162,896 177,205 61.0%
2026-06-22 21,291 142,364 163,655 57.4%
2026-06-15 17,006 180,946 197,952 58.5%
2026-06-08 28,779 287,937 316,716 48.2%
2026-06-01 20,920 265,066 285,986 60.1%
2026-05-25 83,084 1,607,809 1,690,893 59.5%
2026-05-18 28,244 368,289 396,533 55.9%
2026-05-11 49,789 523,162 572,951 54.9%
2026-05-04 95,351 884,056 979,407 53.6%
2026-04-27 20,908 296,775 317,683 2.6%
2026-04-20 114,033 1,570,152 1,684,185 100.0%
2026-04-13 683,390 9,626,948 10,310,338 100.0%
2026-04-06 287,393 5,380,466 5,667,859 100.0%
2026-03-30 3,146 97,645 100,791 100.0%
2026-03-23 6,179 170,501 176,680 100.0%
2026-03-16 65,390 1,072,801 1,138,191 100.0%
2026-03-09 246,975 3,691,334 3,938,309 100.0%
2026-03-02 1,033 28,385 29,418 100.0%
2026-02-23 2,057 40,845 42,902 100.0%
2026-02-16 2,587 124,401 126,988 100.0%
2026-02-09 3,167 90,821 93,988 100.0%
2026-02-02 13,561 330,920 344,481 100.0%
2026-01-26 1,625 16,528 18,153 100.0%
2026-01-19 2,038 38,761 40,799 100.0%
2026-01-12 3,982 115,324 119,306 100.0%
2026-01-05 3,401 63,126 66,527 100.0%
2025-12-29 67,944 466,295 534,239 100.0%
2025-12-22 717 17,561 18,278 100.0%
2025-12-15 1,682 15,521 17,203 100.0%
2025-12-08 620 25,174 25,794 100.0%
2025-12-01 1,206 21,549 22,755 100.0%
2025-11-24 1,681 98,781 100,462 100.0%
2025-11-17 2,111 13,693 15,804 100.0%
2025-11-10 352 7,650 8,002 100.0%
2025-11-03 1,027 19,895 20,922 100.0%
2025-10-27 821 13,648 14,469 100.0%
2025-10-20 1,444 37,648 39,092 100.0%
2025-10-13 1,326 40,569 41,895 100.0%
Showing 1–47 of 47 weeks
Key facts CIK 1558569 CUSIP 45032V306 Visit website Investor relations