FIX
Comfort Systems USA IncCompany with tickers: FIX
Market Cap
$65.27B
Shares Outstanding
35,202,424
CIK
1035983
CUSIP
199908104
13F Activity (30d)
31 filings
8 filers
Website
Visit website
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 |
|---|---|---|---|---|
| 2026-06-01 | 613,101 | 334,961 | 948,062 | 41.0% |
| 2026-05-25 | 413,496 | 373,644 | 787,140 | 51.7% |
| 2026-05-18 | 541,093 | 447,006 | 988,099 | 54.4% |
| 2026-05-11 | 440,345 | 443,884 | 884,229 | 49.9% |
| 2026-05-04 | 551,685 | 362,865 | 914,550 | 48.6% |
| 2026-04-27 | 576,555 | 383,573 | 960,128 | 57.2% |
| 2026-04-20 | 665,089 | 505,034 | 1,170,123 | 52.6% |
| 2026-04-13 | 544,374 | 329,915 | 874,289 | 56.0% |
| 2026-04-06 | 367,943 | 330,389 | 698,332 | 50.6% |
| 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% |
| 2025-09-29 | 414,436 | 251,158 | 665,594 | 44.5% |
| 2025-09-22 | 470,105 | 294,885 | 764,990 | 42.5% |
| 2025-09-15 | 694,145 | 367,679 | 1,061,824 | 44.5% |
| 2025-09-08 | 652,614 | 398,547 | 1,051,161 | 49.4% |
| 2025-09-01 | 423,425 | 239,715 | 663,140 | 42.7% |
| 2025-08-25 | 504,786 | 226,097 | 730,883 | 41.1% |
| 2025-08-18 | 494,016 | 368,303 | 862,319 | 45.5% |
| 2025-08-11 | 615,027 | 316,078 | 931,105 | 43.6% |
| 2025-08-04 | 450,667 | 272,320 | 722,987 | 42.5% |
| 2025-07-28 | 885,535 | 366,399 | 1,251,934 | 43.5% |
| 2025-07-21 | 891,282 | 330,843 | 1,222,125 | 45.3% |
| 2025-07-14 | 377,782 | 158,421 | 536,203 | 37.9% |
| 2025-07-07 | 485,364 | 168,901 | 654,265 | 38.6% |
| 2025-06-30 | 277,618 | 145,562 | 423,180 | 34.2% |
Showing 1–49 of 49 weeks