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FIX · Comfort Systems USA Inc · Off Exchange

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$1,654.09 -10.96 (-0.66%) At close · Sep 30
Market Cap
$58.38B
Shares
35.19M
Volume · Sep 30 298.73K Avg daily vol (3M) 417.89K

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
2026-08-24 499,139 399,535 898,674 46.6%
2026-08-17 537,629 469,953 1,007,582 48.2%
2026-08-10 441,380 472,519 913,899 54.8%
2026-08-03 553,139 470,101 1,023,240 48.3%
2026-07-27 973,316 438,498 1,411,814 44.7%
2026-07-20 754,402 457,504 1,211,906 45.2%
2026-07-13 553,020 605,110 1,158,130 44.5%
2026-07-06 620,437 452,227 1,072,664 47.1%
2026-06-29 508,007 417,764 925,771 45.1%
2026-06-22 702,114 460,239 1,162,353 33.1%
2026-06-15 350,331 286,247 636,578 30.7%
2026-06-08 713,067 405,933 1,119,000 46.7%
2026-06-01 613,101 334,961 948,062 41.0%
2026-05-25 413,496 373,644 787,140 42.5%
2026-05-18 541,093 447,006 988,099 48.4%
2026-05-11 440,345 443,884 884,229 47.3%
2026-05-04 551,685 362,865 914,550 44.9%
2026-04-27 576,555 383,573 960,128 45.3%
2026-04-20 665,089 505,034 1,170,123 48.2%
2026-04-13 544,374 329,915 874,289 47.1%
2026-04-06 367,943 330,389 698,332 46.4%
2026-03-30 321,966 365,517 687,483 40.0%
2026-03-23 341,694 387,781 729,475 34.0%
2026-03-16 272,599 385,626 658,225 28.6%
2026-03-09 392,415 291,240 683,655 36.2%
2026-03-02 546,635 454,751 1,001,386 40.0%
2026-02-23 557,062 540,795 1,097,857 42.3%
2026-02-16 610,880 399,490 1,010,370 40.4%
2026-02-09 432,292 370,137 802,429 41.6%
2026-02-02 547,287 342,098 889,385 43.3%
2026-01-26 300,873 325,046 625,919 43.0%
2026-01-19 323,182 265,202 588,384 36.8%
2026-01-12 543,544 410,652 954,196 42.9%
2026-01-05 575,783 433,394 1,009,177 42.0%
2025-12-29 242,645 205,316 447,961 42.1%
2025-12-22 276,426 172,951 449,377 40.7%
2025-12-15 853,945 3,157,780 4,011,725 39.5%
2025-12-08 672,075 440,391 1,112,466 41.2%
2025-12-01 532,710 309,239 841,949 40.7%
2025-11-24 422,642 905,717 1,328,359 32.4%
2025-11-17 553,964 255,422 809,386 35.4%
2025-11-10 551,642 254,550 806,192 39.2%
2025-11-03 444,539 281,051 725,590 41.5%
2025-10-27 652,924 288,061 940,985 46.0%
2025-10-20 971,862 430,691 1,402,553 47.1%
2025-10-13 586,069 213,612 799,681 45.3%
2025-10-06 406,462 199,015 605,477 43.5%
Showing 1–47 of 47 weeks
Key facts CIK 1035983 CUSIP 199908104 13F (30d) 23 filings 17 filers Visit website Investor relations