GHM · Graham Corp

$113.99 +2.91 (+2.62%) At close · Aug 14

Market Cap

$1.34B

11.74M

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
2026-07-06	212,510	168,302	380,812	38.2%
2026-06-29	198,508	160,597	359,105	36.6%
2026-06-22	401,058	276,186	677,244	37.7%
2026-06-15	241,981	209,170	451,151	34.3%
2026-06-08	383,352	272,168	655,520	39.7%
2026-06-01	300,983	235,830	536,813	38.5%
2026-05-25	291,927	220,043	511,970	33.8%
2026-05-18	194,971	142,972	337,943	31.3%
2026-05-11	251,575	97,315	348,890	30.2%
2026-05-04	194,359	87,415	281,774	32.7%
2026-04-27	166,360	88,307	254,667	31.7%
2026-04-20	91,387	93,565	184,952	34.1%
2026-04-13	164,979	127,017	291,996	35.5%
2026-04-06	112,155	117,426	229,581	34.3%
2026-03-30	86,606	72,295	158,901	25.2%
2026-03-23	120,584	88,523	209,107	36.9%
2026-03-16	123,884	87,776	211,660	34.9%
2026-03-09	149,865	75,716	225,581	37.5%
2026-03-02	145,535	108,460	253,995	44.2%
2026-02-23	130,727	104,873	235,600	43.4%
2026-02-16	78,620	57,493	136,113	39.9%
2026-02-09	163,061	140,479	303,540	43.7%
2026-02-02	151,653	104,082	255,735	38.9%
2026-01-26	163,607	103,917	267,524	43.8%
2026-01-19	92,511	59,514	152,025	39.9%
2026-01-12	119,027	63,361	182,388	42.5%
2026-01-05	141,678	126,245	267,923	44.8%
2025-12-29	108,277	47,081	155,358	32.8%
2025-12-22	194,966	96,814	291,780	45.7%
2025-12-15	119,959	59,610	179,569	39.3%
2025-12-08	161,794	87,087	248,881	42.6%
2025-12-01	149,689	60,884	210,573	41.6%
2025-11-24	54,872	31,378	86,250	40.4%
2025-11-17	118,589	59,016	177,605	36.6%
2025-11-10	112,227	73,230	185,457	39.1%
2025-11-03	176,413	81,704	258,117	45.3%
2025-10-27	128,941	48,424	177,365	35.6%
2025-10-20	173,946	74,462	248,408	42.8%
2025-10-13	196,844	110,389	307,233	42.6%
2025-10-06	197,463	98,621	296,084	51.5%
2025-09-29	141,086	81,302	222,388	34.0%
2025-09-22	134,932	112,113	247,045	45.0%
2025-09-15	109,608	189,529	299,137	40.7%
2025-09-08	90,436	38,569	129,005	40.3%
2025-09-01	86,083	26,085	112,168	34.7%
2025-08-25	91,934	42,200	134,134	34.0%
2025-08-18	111,514	55,084	166,598	38.7%

Showing 1–47 of 47 weeks

Key facts CIK 716314 CUSIP 384556106 13F (30d) 211 filings 208 filers Visit website Investor relations