SPTU · State Street SPDR Portfolio Ultra Short T-Bill ETF ETF

$25.03 +0.01 (+0.04%) At close · Sep 4

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
2026-07-27	131	2,289	2,420	80.7%
2026-07-20	3,021	4,349	7,370	85.7%
2026-07-13	5	1,307	1,312	93.7%
2026-07-06	904	5,395	6,299	49.2%
2026-06-29	6,469	12,679	19,148	96.2%
2026-06-22	0	2,901	2,901	78.4%
2026-06-15	0	1,205	1,205	92.7%
2026-06-08	69	1,408	1,477	70.3%
2026-06-01	10,271	15,626	25,897	80.9%
2026-05-25	0	48,275	48,275	89.6%
2026-05-18	1,259	7,791	9,050	83.0%
2026-05-11	901	4,151	5,052	61.6%
2026-05-04	382	5,029	5,411	83.2%
2026-04-27	10	1,304	1,314	69.2%
2026-04-20	736	1,867	2,603	45.7%
2026-04-13	467	2,934	3,401	54.9%
2026-04-06	2,722	6,559	9,281	50.2%
2026-03-30	2,048	703,093	705,141	100.0%
2026-03-23	2	7,342	7,344	89.6%
2026-03-16	8,438	13,114	21,552	83.2%
2026-03-09	11,069	56,356	67,425	96.6%
2026-03-02	328	45,161	45,489	74.7%
2026-02-23	7,506	16,753	24,259	94.0%
2026-02-16	866	2,031	2,897	42.0%
2026-02-09	0	2,260	2,260	4.9%
2026-02-02	10	2,087	2,097	6.8%
2026-01-26	22	2,219	2,241	43.9%
2026-01-19	3,201	1,092	4,293	35.8%
2026-01-12	30	56,399	56,429	75.6%
2026-01-05	0	771	771	59.3%
2025-12-29	1,700	4,537	6,237	90.4%
2025-12-22	0	188	188	23.5%
2025-12-15	2	5,538	5,540	56.5%
2025-12-08	0	906	906	28.3%
2025-12-01	602	5,523	6,125	91.4%
2025-11-24	0	1,619	1,619	89.9%
2025-11-17	1	10,611	10,612	76.3%
2025-11-10	438	11,981	12,419	69.4%
2025-11-03	0	11,174	11,174	95.5%
2025-10-27	101	1,709	1,810	78.7%
2025-10-20	0	33	33	6.6%
2025-10-13	0	294	294	5.2%
2025-10-06	0	581	581	12.9%

Showing 1–43 of 43 weeks