SPTB · State Street(R) SPDR(R) Portfolio Treasury ETF · Off Exchange ETF

$29.26 -0.04 (-0.12%) At close · Oct 23

Volume · Oct 23 32.77K Avg daily vol (3M) 165.55K

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
2026-09-14	8,475	129,715	138,190	70.2%
2026-09-07	37,088	111,698	148,786	72.5%
2026-08-31	8,748	89,211	97,959	77.4%
2026-08-24	376,629	5,513,072	5,889,701	96.5%
2026-08-17	47,487	179,647	227,134	85.8%
2026-08-10	113,142	160,237	273,379	75.7%
2026-08-03	45,554	582,686	628,240	78.8%
2026-07-27	41,506	69,273	110,779	85.9%
2026-07-20	8,153	31,024	39,177	67.8%
2026-07-13	43,372	106,472	149,844	75.2%
2026-07-06	27,337	81,123	108,460	85.7%
2026-06-29	6,223	66,606	72,829	81.6%
2026-06-22	4,029	291,359	295,388	96.6%
2026-06-15	465	103,354	103,819	82.6%
2026-06-08	10,576	198,850	209,426	77.3%
2026-06-01	43,665	69,705	113,370	79.3%
2026-05-25	21,152	84,914	106,066	52.7%
2026-05-18	10,523	63,456	73,979	77.2%
2026-05-11	109,105	262,081	371,186	81.8%
2026-05-04	66,771	2,622,724	2,689,495	96.6%
2026-04-27	30,145	118,964	149,109	71.1%
2026-04-20	5,483	59,272	64,755	73.4%
2026-04-13	8,267	55,153	63,420	63.5%
2026-04-06	1,131	76,421	77,552	76.7%
2026-03-30	3,295	32,425	35,720	55.9%
2026-03-23	19,659	68,581	88,240	72.8%
2026-03-16	41,152	3,310,253	3,351,405	97.5%
2026-03-09	36,604	3,581,210	3,617,814	98.7%
2026-03-02	62,594	253,752	316,346	50.9%
2026-02-23	9,550	115,317	124,867	61.9%
2026-02-16	8,045	67,323	75,368	60.5%
2026-02-09	6,208	52,996	59,204	57.4%
2026-02-02	10,759	50,803	61,562	73.8%
2026-01-26	6,072	63,860	69,932	67.6%
2026-01-19	2,334	41,917	44,251	66.2%
2026-01-12	6,123	48,206	54,329	79.0%
2026-01-05	12,029	79,739	91,768	76.7%
2025-12-29	2,879	41,211	44,090	59.2%
2025-12-22	2,023	34,267	36,290	71.3%
2025-12-15	2,800	54,992	57,792	80.3%
2025-12-08	4,620	38,186	42,806	53.8%
2025-12-01	15,369	53,855	69,224	73.0%
2025-11-24	12,489	34,427	46,916	63.1%
2025-11-17	5,870	1,401,664	1,407,534	98.6%
2025-11-10	7,263	34,308	41,571	56.5%
2025-11-03	16,872	36,963	53,835	65.2%
2025-10-27	33,036	23,478	56,514	66.8%

Showing 1–47 of 47 weeks