GHC · Graham Holdings Co

$1,152.50 -21.25 (-1.81%) At close · Aug 20

Market Cap

$4.97B

4.23M

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.

1M 3M 6M 1Y 5Y All

Off-Exchange Volume History

Week Start	ATS Volume	Non-ATS OTC Volume	Total Off-Exchange	% of FINRA Weekly Volume
2026-07-13	26,824	11,040	37,864	41.6%
2026-07-06	23,503	14,600	38,103	39.2%
2026-06-29	18,219	11,223	29,442	39.5%
2026-06-22	22,907	17,980	40,887	30.9%
2026-06-15	21,016	13,991	35,007	29.8%
2026-06-08	18,720	9,100	27,820	34.7%
2026-06-01	15,889	8,332	24,221	37.1%
2026-05-25	13,938	11,841	25,779	43.2%
2026-05-18	24,023	17,464	41,487	44.7%
2026-05-11	18,922	11,759	30,681	41.3%
2026-05-04	20,974	9,357	30,331	38.3%
2026-04-27	28,687	10,758	39,445	39.0%
2026-04-20	23,176	13,539	36,715	43.0%
2026-04-13	21,361	12,633	33,994	39.1%
2026-04-06	21,138	17,828	38,966	33.1%
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%

Showing 1–47 of 47 weeks

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