State Street Prime Money Market ETF (MMK)

MMK Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Sep 29, 2026	100.28	100.28	100.28	100.28	-	0.01%	38
Sep 28, 2026	100.27	100.27	100.27	100.27	100.27	-	328
Sep 25, 2026	100.27	100.27	100.26	100.27	100.27	0.03%	251
Sep 24, 2026	100.24	100.24	100.24	100.24	100.24	0.01%	9
Sep 23, 2026	100.23	100.23	100.23	100.23	100.23	-	367
Sep 22, 2026	100.21	100.23	100.21	100.23	100.23	0.03%	5,057
Sep 21, 2026	100.19	100.21	100.19	100.20	100.20	0.01%	3,528
Sep 18, 2026	100.19	100.20	100.18	100.19	100.19	0.02%	4,832
Sep 17, 2026	100.16	100.17	100.16	100.17	100.17	0.01%	1,276
Sep 16, 2026	100.15	100.16	100.15	100.16	100.16	0.01%	235
Sep 15, 2026	100.15	100.15	100.15	100.15	100.15	0.01%	266
Sep 14, 2026	100.13	100.14	100.13	100.14	100.14	0.01%	1,105
Sep 11, 2026	100.13	100.13	100.12	100.13	100.13	0.01%	1,896
Sep 10, 2026	100.11	100.12	100.11	100.12	100.12	0.01%	1,727
Sep 9, 2026	100.11	100.11	100.11	100.11	100.11	0.02%	894
Sep 8, 2026	100.08	100.08	100.08	100.08	100.08	0.01%	262
Sep 4, 2026	100.07	100.07	100.07	100.07	100.07	0.03%	421
Sep 3, 2026	100.04	100.04	100.04	100.04	100.04	-	24
Sep 2, 2026	100.03	100.04	100.03	100.04	100.04	0.01%	827
Sep 1, 2026	100.02	100.03	100.02	100.03	100.03	0.02%	1,719
Aug 31, 2026	100.30	100.31	100.30	100.31	100.00	-	437
Aug 28, 2026	100.31	100.32	100.30	100.32	100.01	0.03%	1,005
Aug 27, 2026	100.28	100.29	100.27	100.29	99.98	0.01%	6,908
Aug 26, 2026	100.26	100.27	100.26	100.27	99.96	0.01%	158
Aug 25, 2026	100.25	100.26	100.25	100.26	99.95	-	256
Aug 24, 2026	100.25	100.26	100.25	100.26	99.95	0.01%	726
Aug 21, 2026	100.23	100.25	100.23	100.25	99.94	0.03%	1,614
Aug 20, 2026	100.22	100.22	100.22	100.22	99.91	0.01%	3,080
Aug 19, 2026	100.21	100.21	100.21	100.21	99.90	0.01%	619
Aug 18, 2026	100.20	100.20	100.19	100.20	99.89	0.02%	1,669
Aug 17, 2026	100.18	100.18	100.18	100.18	99.87	0.01%	28
Aug 14, 2026	100.16	100.17	100.16	100.17	99.86	0.02%	1,116
Aug 13, 2026	100.13	100.14	100.13	100.14	99.83	0.02%	343
Aug 12, 2026	100.12	100.13	100.11	100.12	99.81	-	4,535
Aug 11, 2026	100.12	100.12	100.12	100.12	99.81	0.02%	6,463
Aug 10, 2026	100.10	100.10	100.10	100.10	99.79	-	63
Aug 7, 2026	100.09	100.10	100.08	100.10	99.79	0.03%	3,754
Aug 6, 2026	100.06	100.07	100.06	100.07	99.76	0.01%	446
Aug 5, 2026	100.04	100.05	100.04	100.05	99.74	0.01%	1,151
Aug 4, 2026	100.04	100.04	100.03	100.04	99.73	0.01%	2,583
Aug 3, 2026	100.03	100.03	100.02	100.03	99.72	0.01%	1,913
Jul 31, 2026	100.34	100.34	100.33	100.33	99.71	0.04%	342
Jul 30, 2026	100.30	100.30	100.29	100.29	99.67	-	351
Jul 29, 2026	100.28	100.30	100.28	100.30	99.68	0.02%	220
Jul 28, 2026	100.27	100.28	100.27	100.28	99.66	0.01%	5,397
Jul 27, 2026	100.27	100.27	100.26	100.26	99.64	-	1,476
Jul 24, 2026	100.26	100.26	100.26	100.26	99.64	0.03%	1,018
Jul 23, 2026	100.22	100.22	100.21	100.22	99.60	-	5,965
Jul 22, 2026	100.22	100.22	100.22	100.22	99.60	0.01%	107
Jul 21, 2026	100.21	100.21	100.21	100.21	99.59	-	252

Data Source: S&P Global Market Intelligence Last updated: Sep 29, 2026

Historical price data is provided by S&P Global Market Intelligence. New prices are added after the close of each trading day, and past prices are adjusted for stock splits.

Update frequency:

Daily

Last checked:

Sep 29, 2026

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