OSBC · Old Second Bancorp Inc

$25.91 +0.10 (+0.39%) At close · Aug 14

Market Cap

$1.32B

50.88M

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	404,751	130,177	534,928	27.0%
2026-06-29	244,980	103,509	348,489	25.2%
2026-06-22	262,298	375,498	637,796	22.4%
2026-06-15	258,583	185,430	444,013	24.7%
2026-06-08	253,333	146,326	399,659	29.4%
2026-06-01	257,856	107,486	365,342	23.9%
2026-05-25	289,913	77,606	367,519	26.0%
2026-05-18	342,244	125,291	467,535	27.5%
2026-05-11	282,674	138,013	420,687	21.8%
2026-05-04	345,207	196,004	541,211	29.1%
2026-04-27	385,603	225,615	611,218	30.6%
2026-04-20	580,802	312,833	893,635	35.5%
2026-04-13	508,614	451,819	960,433	39.2%
2026-04-06	459,343	174,291	633,634	28.3%
2026-03-30	235,807	102,484	338,291	28.0%
2026-03-23	319,756	237,332	557,088	26.0%
2026-03-16	269,633	217,761	487,394	23.0%
2026-03-09	348,522	98,104	446,626	20.5%
2026-03-02	340,904	188,700	529,604	27.5%
2026-02-23	294,573	207,135	501,708	28.7%
2026-02-16	170,786	173,732	344,518	28.5%
2026-02-09	282,196	249,043	531,239	34.0%
2026-02-02	336,931	159,325	496,256	28.8%
2026-01-26	358,711	262,324	621,035	33.0%
2026-01-19	455,700	154,759	610,459	32.1%
2026-01-12	490,410	480,991	971,401	43.7%
2026-01-05	310,531	218,489	529,020	38.6%
2025-12-29	182,228	146,565	328,793	36.4%
2025-12-22	112,862	98,266	211,128	34.1%
2025-12-15	221,551	213,521	435,072	25.2%
2025-12-08	248,543	145,713	394,256	26.7%
2025-12-01	264,724	235,448	500,172	32.3%
2025-11-24	179,304	125,518	304,822	28.4%
2025-11-17	249,913	151,439	401,352	32.1%
2025-11-10	326,270	199,323	525,593	32.4%
2025-11-03	307,215	220,320	527,535	31.4%
2025-10-27	495,256	376,613	871,869	37.4%
2025-10-20	630,892	473,349	1,104,241	41.2%
2025-10-13	369,485	238,466	607,951	33.1%
2025-10-06	237,836	156,551	394,387	31.0%
2025-09-29	274,535	219,951	494,486	30.2%
2025-09-22	274,219	112,672	386,891	23.5%
2025-09-15	223,118	393,288	616,406	22.9%
2025-09-08	190,864	94,348	285,212	26.9%
2025-09-01	158,330	136,883	295,213	29.2%
2025-08-25	150,397	66,017	216,414	27.0%
2025-08-18	196,554	84,076	280,630	28.7%

Showing 1–47 of 47 weeks

Key facts CIK 357173 CUSIP 680277100 13F (30d) 173 filings 172 filers Visit website Investor relations