WSO
Watsco IncCompany with tickers: WSO, WSO-B
Market Cap
$16.52B
Shares Outstanding
40,657,534
CIK
105016
CUSIP
942622200
13F Activity (30d)
18 filings
7 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 | 533,022 | 248,412 | 781,434 | 51.6% |
| 2026-05-25 | 545,754 | 349,695 | 895,449 | 61.0% |
| 2026-05-18 | 577,791 | 239,441 | 817,232 | 52.6% |
| 2026-05-11 | 470,383 | 247,322 | 717,705 | 68.8% |
| 2026-05-04 | 556,538 | 204,213 | 760,751 | 53.4% |
| 2026-04-27 | 1,219,744 | 558,679 | 1,778,423 | 51.9% |
| 2026-04-20 | 633,441 | 180,448 | 813,889 | 57.7% |
| 2026-04-13 | 958,135 | 409,785 | 1,367,920 | 59.6% |
| 2026-04-06 | 584,154 | 306,552 | 890,706 | 50.9% |
| 2026-03-30 | 673,928 | 235,873 | 909,801 | 44.0% |
| 2026-03-23 | 1,113,675 | 336,703 | 1,450,378 | 41.7% |
| 2026-03-16 | 456,893 | 761,468 | 1,218,361 | 44.0% |
| 2026-03-09 | 444,854 | 193,899 | 638,753 | 40.5% |
| 2026-03-02 | 424,636 | 204,038 | 628,674 | 40.7% |
| 2026-02-23 | 496,714 | 275,729 | 772,443 | 43.9% |
| 2026-02-16 | 496,249 | 264,888 | 761,137 | 42.9% |
| 2026-02-09 | 676,778 | 290,637 | 967,415 | 44.3% |
| 2026-02-02 | 749,713 | 383,867 | 1,133,580 | 41.3% |
| 2026-01-26 | 912,387 | 384,201 | 1,296,588 | 50.9% |
| 2026-01-19 | 412,809 | 161,068 | 573,877 | 37.5% |
| 2026-01-12 | 496,324 | 469,575 | 965,899 | 48.5% |
| 2026-01-05 | 533,097 | 288,314 | 821,411 | 41.1% |
| 2025-12-29 | 372,525 | 237,454 | 609,979 | 50.4% |
| 2025-12-22 | 200,185 | 168,913 | 369,098 | 47.1% |
| 2025-12-15 | 596,610 | 529,372 | 1,125,982 | 46.4% |
| 2025-12-08 | 987,513 | 439,997 | 1,427,510 | 48.6% |
| 2025-12-01 | 488,724 | 335,564 | 824,288 | 47.2% |
| 2025-11-24 | 459,577 | 236,123 | 695,700 | 49.8% |
| 2025-11-17 | 819,640 | 339,794 | 1,159,434 | 48.6% |
| 2025-11-10 | 459,694 | 318,612 | 778,306 | 45.6% |
| 2025-11-03 | 620,480 | 287,349 | 907,829 | 46.9% |
| 2025-10-27 | 1,492,806 | 519,159 | 2,011,965 | 49.8% |
| 2025-10-20 | 780,545 | 262,556 | 1,043,101 | 48.2% |
| 2025-10-13 | 939,290 | 319,787 | 1,259,077 | 47.6% |
| 2025-10-06 | 874,563 | 404,776 | 1,279,339 | 43.6% |
| 2025-09-29 | 725,824 | 897,544 | 1,623,368 | 56.0% |
| 2025-09-22 | 717,737 | 772,555 | 1,490,292 | 48.7% |
| 2025-09-15 | 815,837 | 285,427 | 1,101,264 | 43.5% |
| 2025-09-08 | 1,016,638 | 433,683 | 1,450,321 | 47.3% |
| 2025-09-01 | 421,278 | 138,591 | 559,869 | 42.7% |
| 2025-08-25 | 352,442 | 188,724 | 541,166 | 37.1% |
| 2025-08-18 | 405,498 | 189,858 | 595,356 | 40.7% |
| 2025-08-11 | 377,800 | 194,684 | 572,484 | 41.8% |
| 2025-08-04 | 440,825 | 189,232 | 630,057 | 33.7% |
| 2025-07-28 | 988,798 | 215,738 | 1,204,536 | 40.7% |
| 2025-07-21 | 364,808 | 118,696 | 483,504 | 41.3% |
| 2025-07-14 | 321,784 | 142,873 | 464,657 | 36.5% |
| 2025-07-07 | 448,237 | 146,730 | 594,967 | 35.2% |
| 2025-06-30 | 362,584 | 99,257 | 461,841 | 39.7% |
Showing 1–49 of 49 weeks