KMX
Carmax IncCompany with tickers: KMX
CIK
1170010
CUSIP
143130102
Shares Outstanding
141,820,715
13F Activity (30d)
251 filings
241 filers
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 |
|---|---|---|---|---|
| 2026-05-18 | 3,736,292 | 2,091,155 | 5,827,447 | 47.7% |
| 2026-05-11 | 3,700,036 | 1,623,847 | 5,323,883 | 57.1% |
| 2026-05-04 | 3,281,231 | 1,551,224 | 4,832,455 | 48.6% |
| 2026-04-27 | 3,316,280 | 1,290,932 | 4,607,212 | 43.0% |
| 2026-04-20 | 4,621,109 | 1,719,927 | 6,341,036 | 53.7% |
| 2026-04-13 | 9,165,603 | 5,451,960 | 14,617,563 | 69.0% |
| 2026-04-06 | 3,880,626 | 2,426,917 | 6,307,543 | 43.6% |
| 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% |
Showing 1–23 of 23 weeks