KMX · Carmax Inc · Off Exchange
Market Cap
$8.75B
Shares
141.91M
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 |
|---|---|---|---|---|
| 2026-08-10 | 2,594,956 | 668,057 | 3,263,013 | 41.8% |
| 2026-08-03 | 3,052,230 | 1,266,979 | 4,319,209 | 44.8% |
| 2026-07-27 | 4,752,166 | 1,604,289 | 6,356,455 | 46.8% |
| 2026-07-20 | 4,384,205 | 1,473,007 | 5,857,212 | 36.1% |
| 2026-07-13 | 5,005,777 | 1,664,043 | 6,669,820 | 46.5% |
| 2026-07-06 | 3,661,351 | 1,723,240 | 5,384,591 | 43.7% |
| 2026-06-29 | 3,852,619 | 1,062,947 | 4,915,566 | 40.2% |
| 2026-06-22 | 4,438,209 | 3,008,259 | 7,446,468 | 38.5% |
| 2026-06-15 | 9,099,588 | 3,100,723 | 12,200,311 | 41.3% |
| 2026-06-08 | 5,228,382 | 2,287,835 | 7,516,217 | 44.6% |
| 2026-06-01 | 4,472,339 | 1,800,320 | 6,272,659 | 40.0% |
| 2026-05-25 | 4,504,363 | 1,619,503 | 6,123,866 | 44.4% |
| 2026-05-18 | 3,736,292 | 2,091,155 | 5,827,447 | 43.1% |
| 2026-05-11 | 3,700,036 | 1,623,847 | 5,323,883 | 36.9% |
| 2026-05-04 | 3,281,231 | 1,551,224 | 4,832,455 | 38.7% |
| 2026-04-27 | 3,316,280 | 1,290,932 | 4,607,212 | 38.1% |
| 2026-04-20 | 4,621,109 | 1,719,927 | 6,341,036 | 40.6% |
| 2026-04-13 | 9,165,603 | 5,451,960 | 14,617,563 | 43.8% |
| 2026-04-06 | 3,880,626 | 2,426,917 | 6,307,543 | 42.2% |
| 2026-03-30 | 2,776,280 | 1,503,025 | 4,279,305 | 39.8% |
| 2026-03-23 | 3,392,716 | 2,678,427 | 6,071,143 | 38.2% |
| 2026-03-16 | 2,738,503 | 2,810,535 | 5,549,038 | 35.5% |
| 2026-03-09 | 4,860,787 | 2,298,792 | 7,159,579 | 37.6% |
| 2026-03-02 | 3,641,307 | 1,329,516 | 4,970,823 | 38.0% |
| 2026-02-23 | 5,153,357 | 2,126,804 | 7,280,161 | 45.4% |
| 2026-02-16 | 3,902,651 | 2,403,477 | 6,306,128 | 40.2% |
| 2026-02-09 | 5,018,292 | 2,088,720 | 7,107,012 | 39.0% |
| 2026-02-02 | 3,962,349 | 1,644,718 | 5,607,067 | 38.7% |
| 2026-01-26 | 4,843,132 | 1,791,165 | 6,634,297 | 42.8% |
| 2026-01-19 | 3,498,084 | 1,997,081 | 5,495,165 | 41.5% |
| 2026-01-12 | 5,810,505 | 2,616,581 | 8,427,086 | 41.4% |
| 2026-01-05 | 6,029,238 | 2,645,564 | 8,674,802 | 39.0% |
| 2025-12-29 | 2,652,153 | 1,395,460 | 4,047,613 | 38.7% |
| 2025-12-22 | 3,675,381 | 1,901,126 | 5,576,507 | 36.9% |
| 2025-12-15 | 8,533,012 | 5,358,021 | 13,891,033 | 39.2% |
| 2025-12-08 | 4,783,012 | 2,291,091 | 7,074,103 | 40.9% |
| 2025-12-01 | 3,673,179 | 2,190,611 | 5,863,790 | 39.6% |
| 2025-11-24 | 4,334,559 | 2,320,006 | 6,654,565 | 38.7% |
| 2025-11-17 | 5,712,367 | 2,949,690 | 8,662,057 | 39.4% |
| 2025-11-10 | 6,113,167 | 4,264,862 | 10,378,029 | 39.4% |
| 2025-11-03 | 13,480,259 | 10,213,066 | 23,693,325 | 44.1% |
| 2025-10-27 | 5,581,641 | 23,758,083 | 29,339,724 | 53.5% |
| 2025-10-20 | 4,225,597 | 3,570,255 | 7,795,852 | 43.4% |
| 2025-10-13 | 4,497,532 | 3,102,165 | 7,599,697 | 42.6% |
| 2025-10-06 | 4,712,776 | 3,519,781 | 8,232,557 | 42.0% |
| 2025-09-29 | 6,210,856 | 5,379,433 | 11,590,289 | 41.9% |
| 2025-09-22 | 10,478,974 | 11,986,563 | 22,465,537 | 44.3% |
| 2025-09-15 | 3,365,471 | 2,141,023 | 5,506,494 | 35.1% |
Showing 1–48 of 48 weeks
Key facts
CIK
1170010
CUSIP
143130102
13F (30d)
21 filings
20 filers
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