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CSTL · Castle Biosciences Inc · Off Exchange

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$32.33 +0.01 (+0.03%) At close · Sep 11
Russell 2000 member Rebalance outlook locked
Market Cap
$987.67M
Shares
30.55M

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.

1M 3M 6M 1Y 5Y All

Off-Exchange Volume History

Week Start ATS Volume Non-ATS OTC Volume Total Off-Exchange % of FINRA Weekly Volume
2026-08-03 705,432 894,043 1,599,475 52.4%
2026-07-27 756,608 407,692 1,164,300 33.5%
2026-07-20 402,441 235,033 637,474 33.6%
2026-07-13 329,675 163,584 493,259 37.1%
2026-07-06 325,711 146,400 472,111 35.6%
2026-06-29 254,801 142,164 396,965 34.4%
2026-06-22 542,408 396,749 939,157 35.1%
2026-06-15 278,917 247,584 526,501 32.1%
2026-06-08 232,060 144,236 376,296 32.6%
2026-06-01 425,198 199,154 624,352 34.8%
2026-05-25 324,148 180,959 505,107 30.0%
2026-05-18 390,303 196,352 586,655 30.9%
2026-05-11 820,300 453,965 1,274,265 41.5%
2026-05-04 970,845 625,748 1,596,593 41.7%
2026-04-27 315,157 147,729 462,886 30.2%
2026-04-20 332,864 219,566 552,430 36.0%
2026-04-13 240,223 119,040 359,263 31.7%
2026-04-06 303,466 160,466 463,932 29.7%
2026-03-30 345,424 230,597 576,021 44.3%
2026-03-23 379,449 184,102 563,551 37.1%
2026-03-16 364,577 274,820 639,397 40.7%
2026-03-09 420,302 122,556 542,858 37.7%
2026-03-02 752,498 248,574 1,001,072 37.3%
2026-02-23 708,107 386,101 1,094,208 36.2%
2026-02-16 413,029 225,569 638,598 38.5%
2026-02-09 409,836 310,559 720,395 40.3%
2026-02-02 600,108 313,084 913,192 34.3%
2026-01-26 661,662 323,216 984,878 43.1%
2026-01-19 391,477 138,487 529,964 44.1%
2026-01-12 603,832 119,457 723,289 37.6%
2026-01-05 562,807 173,596 736,403 40.3%
2025-12-29 286,319 181,878 468,197 37.5%
2025-12-22 270,282 118,619 388,901 36.9%
2025-12-15 353,699 326,264 679,963 40.7%
2025-12-08 613,617 476,358 1,089,975 44.0%
2025-12-01 508,413 410,168 918,581 46.8%
2025-11-24 456,095 310,225 766,320 40.9%
2025-11-17 756,449 350,846 1,107,295 42.2%
2025-11-10 551,708 364,933 916,641 44.3%
2025-11-03 1,323,233 941,896 2,265,129 47.8%
2025-10-27 253,670 209,820 463,490 37.8%
2025-10-20 291,344 239,323 530,667 43.6%
2025-10-13 240,591 225,240 465,831 37.2%
2025-10-06 394,059 195,414 589,473 42.2%
2025-09-29 457,483 162,214 619,697 40.4%
2025-09-22 335,568 160,690 496,258 38.7%
2025-09-15 808,913 299,138 1,108,051 42.9%
Showing 1–47 of 47 weeks
Key facts CIK 1447362 CUSIP 14843C105 13F (30d) 52 filings 52 filers Visit website Investor relations