OPY · Oppenheimer Holdings Inc

$113.84 -3.33 (-2.84%) At close · Aug 19

Market Cap

$1.24B

10.71M

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	93,064	84,002	177,066	34.8%
2026-07-06	117,500	100,685	218,185	30.9%
2026-06-29	87,595	59,481	147,076	25.0%
2026-06-22	107,298	77,203	184,501	31.5%
2026-06-15	88,302	66,660	154,962	24.0%
2026-06-08	77,016	52,267	129,283	23.5%
2026-06-01	108,462	59,924	168,386	31.7%
2026-05-25	49,527	49,368	98,895	34.1%
2026-05-18	61,453	30,199	91,652	25.0%
2026-05-11	41,250	39,068	80,318	33.3%
2026-05-04	79,562	81,119	160,681	43.4%
2026-04-27	96,920	69,035	165,955	33.4%
2026-04-20	91,130	70,458	161,588	41.4%
2026-04-13	65,822	66,108	131,930	37.3%
2026-04-06	95,771	70,799	166,570	36.0%
2026-03-30	36,903	25,745	62,648	20.7%
2026-03-23	43,014	36,826	79,840	39.2%
2026-03-16	37,279	24,180	61,459	28.5%
2026-03-09	57,270	65,695	122,965	43.8%
2026-03-02	47,830	54,247	102,077	46.2%
2026-02-23	42,543	41,741	84,284	29.2%
2026-02-16	42,835	28,295	71,130	36.9%
2026-02-09	49,116	33,791	82,907	40.8%
2026-02-02	106,464	111,219	217,683	42.8%
2026-01-26	48,681	51,396	100,077	45.1%
2026-01-19	49,197	22,762	71,959	40.9%
2026-01-12	38,283	60,195	98,478	53.2%
2026-01-05	41,051	16,439	57,490	36.9%
2025-12-29	38,162	12,963	51,125	31.4%
2025-12-22	40,330	24,946	65,276	46.7%
2025-12-15	65,237	70,755	135,992	38.5%
2025-12-08	52,564	41,258	93,822	41.8%
2025-12-01	42,017	30,011	72,028	39.6%
2025-11-24	19,224	24,078	43,302	37.8%
2025-11-17	35,377	46,221	81,598	37.6%
2025-11-10	32,735	43,512	76,247	41.2%
2025-11-03	35,463	51,909	87,372	40.2%
2025-10-27	42,667	50,552	93,219	41.3%
2025-10-20	33,913	22,496	56,409	36.9%
2025-10-13	40,811	43,022	83,833	40.0%
2025-10-06	28,929	43,914	72,843	43.4%
2025-09-29	49,875	35,503	85,378	34.0%
2025-09-22	53,252	25,585	78,837	40.1%
2025-09-15	67,252	51,863	119,115	35.4%
2025-09-08	90,278	58,990	149,268	30.5%
2025-09-01	48,728	29,787	78,515	41.0%
2025-08-25	36,571	30,904	67,475	47.3%

Showing 1–47 of 47 weeks

Key facts CIK 791963 CUSIP 683797104 13F (30d) 112 filings 112 filers Visit website Investor relations