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CMCSA · Comcast Corp · Off Exchange

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Market Cap
$93.44B
Shares
3.55B

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
2026-08-03 25,571,466 43,270,225 68,841,691 46.8%
2026-07-27 32,754,228 34,371,474 67,125,702 38.6%
2026-07-20 42,460,970 45,947,272 88,408,242 43.7%
2026-07-13 29,447,638 37,881,708 67,329,346 44.3%
2026-07-06 27,738,323 41,363,848 69,102,171 44.7%
2026-06-29 56,766,107 62,135,871 118,901,978 40.5%
2026-06-22 32,847,920 61,927,122 94,775,042 48.2%
2026-06-15 24,707,024 37,881,247 62,588,271 37.3%
2026-06-08 25,680,993 25,771,438 51,452,431 38.8%
2026-06-01 34,809,437 36,069,035 70,878,472 41.2%
2026-05-25 20,502,380 34,751,430 55,253,810 44.0%
2026-05-18 40,336,345 25,441,116 65,777,461 42.2%
2026-05-11 36,430,282 37,466,309 73,896,591 44.2%
2026-05-04 33,950,868 31,608,085 65,558,953 41.7%
2026-04-27 35,400,654 32,831,183 68,231,837 43.2%
2026-04-20 44,175,647 33,999,295 78,174,942 39.8%
2026-04-13 21,798,306 22,312,280 44,110,586 38.2%
2026-04-06 27,255,191 28,923,099 56,178,290 45.9%
2026-03-30 21,410,580 33,408,128 54,818,708 48.3%
2026-03-23 21,359,855 30,616,683 51,976,538 41.9%
2026-03-16 31,399,327 131,020,829 162,420,156 44.8%
2026-03-09 29,495,254 28,718,714 58,213,968 43.1%
2026-03-02 25,525,499 22,747,044 48,272,543 38.5%
2026-02-23 25,542,459 26,750,616 52,293,075 39.3%
2026-02-16 19,348,384 16,559,235 35,907,619 36.0%
2026-02-09 31,698,673 24,891,202 56,589,875 38.6%
2026-02-02 31,471,130 29,410,228 60,881,358 35.7%
2026-01-26 54,108,908 39,086,004 93,194,912 37.6%
2026-01-19 34,728,723 24,412,469 59,141,192 36.9%
2026-01-12 30,605,239 44,623,792 75,229,031 43.6%
2026-01-05 35,300,970 50,812,203 86,113,173 50.2%
2025-12-29 16,469,872 23,152,850 39,622,722 39.3%
2025-12-22 16,230,034 22,658,441 38,888,475 45.8%
2025-12-15 67,359,489 94,402,233 161,761,722 41.6%
2025-12-08 34,173,766 64,942,776 99,116,542 48.5%
2025-12-01 35,777,922 64,525,210 100,303,132 46.3%
2025-11-24 21,688,225 33,751,916 55,440,141 40.6%
2025-11-17 25,857,226 38,056,648 63,913,874 40.2%
2025-11-10 34,688,475 79,578,861 114,267,336 47.9%
2025-11-03 33,835,171 71,195,014 105,030,185 47.4%
2025-10-27 43,867,000 53,318,568 97,185,568 41.2%
2025-10-20 19,628,146 33,175,432 52,803,578 42.9%
2025-10-13 17,590,627 30,496,385 48,087,012 41.5%
2025-10-06 24,682,670 31,388,148 56,070,818 38.7%
2025-09-29 31,105,864 40,000,825 71,106,689 42.2%
2025-09-22 17,084,725 43,408,729 60,493,454 44.1%
2025-09-15 26,919,132 40,435,481 67,354,613 38.9%
Showing 1–47 of 47 weeks
Key facts CIK 1166691 CUSIP 20030N101 13F (30d) 847 filings 804 filers Visit website Investor relations