GHC
Graham Holdings Co
$1,183.27
+13.36 (+1.14%)
At close · Jul 2
Market Cap
$6.57B
Shares
4,307,084
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 |
|---|---|---|---|---|
| 2026-05-04 | 20,974 | 9,357 | 30,331 | 45.3% |
| 2026-04-27 | 28,687 | 10,758 | 39,445 | 48.2% |
| 2026-04-20 | 23,176 | 13,539 | 36,715 | 54.4% |
| 2026-04-13 | 21,361 | 12,633 | 33,994 | 51.7% |
| 2026-04-06 | 21,138 | 17,828 | 38,966 | 36.3% |
| 2026-03-30 | 17,107 | 11,279 | 28,386 | 41.4% |
| 2026-03-23 | 20,436 | 12,174 | 32,610 | 35.8% |
| 2026-03-16 | 28,883 | 19,577 | 48,460 | 29.6% |
| 2026-03-09 | 21,613 | 14,253 | 35,866 | 39.6% |
| 2026-03-02 | 24,848 | 16,794 | 41,642 | 39.1% |
| 2026-02-23 | 20,133 | 17,110 | 37,243 | 43.0% |
| 2026-02-16 | 13,093 | 15,494 | 28,587 | 44.0% |
| 2026-02-09 | 23,622 | 14,189 | 37,811 | 42.9% |
| 2026-02-02 | 19,279 | 18,430 | 37,709 | 40.4% |
| 2026-01-26 | 16,492 | 16,171 | 32,663 | 41.9% |
| 2026-01-19 | 13,987 | 13,449 | 27,436 | 40.0% |
| 2026-01-12 | 13,512 | 16,626 | 30,138 | 41.9% |
| 2026-01-05 | 15,849 | 17,327 | 33,176 | 42.5% |
| 2025-12-29 | 10,217 | 21,232 | 31,449 | 46.6% |
| 2025-12-22 | 9,160 | 23,090 | 32,250 | 53.7% |
| 2025-12-15 | 23,327 | 33,446 | 56,773 | 34.2% |
| 2025-12-08 | 20,878 | 20,305 | 41,183 | 40.1% |
| 2025-12-01 | 20,496 | 15,106 | 35,602 | 37.3% |
| 2025-11-24 | 17,963 | 10,221 | 28,184 | 37.3% |
| 2025-11-17 | 19,582 | 14,773 | 34,355 | 36.1% |
| 2025-11-10 | 25,548 | 20,801 | 46,349 | 38.2% |
| 2025-11-03 | 21,522 | 23,425 | 44,947 | 37.8% |
| 2025-10-27 | 38,167 | 66,833 | 105,000 | 46.6% |
| 2025-10-20 | 30,673 | 60,481 | 91,154 | 45.9% |
| 2025-10-13 | 35,175 | 49,356 | 84,531 | 36.8% |
| 2025-10-06 | 40,632 | 107,094 | 147,726 | 48.5% |
| 2025-09-29 | 20,494 | 75,595 | 96,089 | 45.1% |
| 2025-09-22 | 15,836 | 37,151 | 52,987 | 33.1% |
| 2025-09-15 | 24,561 | 129,079 | 153,640 | 43.1% |
| 2025-09-08 | 14,141 | 42,250 | 56,391 | 41.1% |
| 2025-09-01 | 13,169 | 33,788 | 46,957 | 42.6% |
| 2025-08-25 | 25,915 | 60,058 | 85,973 | 44.2% |
| 2025-08-18 | 22,271 | 71,784 | 94,055 | 48.8% |
| 2025-08-11 | 28,225 | 69,556 | 97,781 | 47.9% |
| 2025-08-04 | 22,498 | 85,807 | 108,305 | 51.5% |
| 2025-07-28 | 43,147 | 90,472 | 133,619 | 46.3% |
| 2025-07-21 | 34,070 | 29,620 | 63,690 | 41.3% |
| 2025-07-14 | 34,968 | 30,286 | 65,254 | 43.3% |
| 2025-07-07 | 42,008 | 49,218 | 91,226 | 42.4% |
Showing 1–44 of 44 weeks