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BCHT

Birchtech Corp.
$2.08 -0.04 (-1.89%) At close · Jul 2
Market Cap
$54.72M
Shares
26,305,966

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 41,156 864,562 905,718 70.1%
2026-04-27 20,056 849,249 869,305 75.6%
2026-04-20 28,521 673,337 701,858 100.0%
2026-04-13 43,649 269,239 312,888 69.5%
2026-04-06 58,863 284,054 342,917 51.9%
2026-03-30 40,828 259,019 299,847 70.4%
2026-03-23 16,222 131,736 147,958 55.7%
2026-03-16 11,285 204,818 216,103 61.5%
2026-03-09 44,473 243,901 288,374 60.4%
2026-03-02 60,674 349,355 410,029 52.1%
2026-02-23 344,896 648,901 993,797 56.9%
2026-02-16 19,947 248,249 268,196 100.0%
2026-02-09 27,754 245,157 272,911 100.0%
2026-02-02 61,486 331,781 393,267 100.0%
2025-12-29 156,792 778,606 935,398 100.0%
2025-12-22 497,036 2,199,408 2,696,444 100.0%
2025-12-15 569,766 3,975,633 4,545,399 100.0%
2025-12-08 72,725 863,000 935,725 100.0%
2025-12-01 16,056 441,075 457,131 100.0%
2025-11-24 43,600 439,532 483,132 100.0%
2025-11-17 157,966 482,039 640,005 100.0%
2025-11-10 28,100 402,268 430,368 100.0%
2025-11-03 61,440 516,578 578,018 100.0%
2025-10-27 69,800 807,975 877,775 100.0%
2025-10-20 10,900 271,708 282,608 100.0%
2025-10-13 208,090 452,956 661,046 100.0%
2025-10-06 27,032 405,015 432,047 100.0%
2025-09-29 59,622 288,303 347,925 100.0%
2025-09-22 146,144 810,612 956,756 100.0%
2025-09-15 111,120 383,421 494,541 100.0%
2025-09-08 39,311 411,759 451,070 100.0%
2025-09-01 87,141 635,765 722,906 100.0%
2025-08-25 73,275 543,365 616,640 100.0%
2025-08-18 30,558 433,589 464,147 100.0%
2025-08-11 89,400 482,090 571,490 100.0%
2025-08-04 64,900 145,957 210,857 100.0%
2025-07-28 8,725 150,673 159,398 100.0%
2025-07-21 40,765 557,259 598,024 100.0%
2025-07-14 77,620 358,988 436,608 100.0%
2025-07-07 66,385 452,075 518,460 100.0%
Showing 1–40 of 40 weeks
Key facts CIK 728385 CUSIP 59833H200 Visit website Investor relations