CMCSA · Comcast Corp · Off Exchange
$22.69
-0.15 (-0.66%)
At close · Oct 23
Return incl. dividend (before tax)
Market Cap
$80.57B
Shares
3.55B
Volume · Oct 23
31.34M
Avg daily vol (3M)
29.05M
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 |
|---|---|---|---|---|
| 2026-09-14 | 31,688,782 | 62,972,029 | 94,660,811 | 49.7% |
| 2026-09-07 | 23,041,598 | 26,348,269 | 49,389,867 | 43.3% |
| 2026-08-31 | 13,275,925 | 38,428,490 | 51,704,415 | 51.3% |
| 2026-08-24 | 18,179,724 | 27,034,953 | 45,214,677 | 47.8% |
| 2026-08-17 | 20,379,212 | 28,974,260 | 49,353,472 | 44.7% |
| 2026-08-10 | 19,962,939 | 27,084,476 | 47,047,415 | 46.7% |
| 2026-08-03 | 25,571,466 | 43,270,225 | 68,841,691 | 47.3% |
| 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% |
Showing 1–47 of 47 weeks
Key facts
CIK
1166691
CUSIP
20030N101
13F (30d)
509 filings
468 filers
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