MainStay S&P 500 Index Fund Investor Class - MYSPX - Stock Historical Data & Price

Date Range:

Date	Open	Close	Adj Close	High	Low
February 20, 2026	73.27	73.27	73.27	73.27	73.27
February 19, 2026	72.77	72.77	72.77	72.77	72.77
February 18, 2026	72.96	72.96	72.96	72.96	72.96
February 17, 2026	72.56	72.56	72.56	72.56	72.56
February 13, 2026	72.48	72.48	72.48	72.48	72.48
February 12, 2026	72.44	72.44	72.44	72.44	72.44
February 11, 2026	73.58	73.58	73.58	73.58	73.58
February 10, 2026	73.58	73.58	73.58	73.58	73.58
February 09, 2026	73.83	73.83	73.83	73.83	73.83
February 06, 2026	73.48	73.48	73.48	73.48	73.48
February 05, 2026	72.06	72.06	72.06	72.06	72.06
February 04, 2026	72.95	72.95	72.95	72.95	72.95
February 03, 2026	73.33	73.33	73.33	73.33	73.33
February 02, 2026	73.95	73.95	73.95	73.95	73.95
January 30, 2026	73.55	73.55	73.55	73.55	73.55
January 29, 2026	73.87	73.87	73.87	73.87	73.87
January 28, 2026	73.96	73.96	73.96	73.96	73.96
January 27, 2026	73.97	73.97	73.97	73.97	73.97
January 26, 2026	73.67	73.67	73.67	73.67	73.67
January 23, 2026	73.31	73.31	73.31	73.31	73.31
January 22, 2026	72.88	72.88	72.88	72.88	72.88
January 21, 2026	72.88	72.88	72.88	72.88	72.88
January 20, 2026	72.05	72.05	72.05	72.05	72.05
January 16, 2026	73.57	73.57	73.57	73.57	73.57
January 15, 2026	73.61	73.61	73.61	73.61	73.61
January 14, 2026	73.42	73.42	73.42	73.42	73.42
January 13, 2026	73.81	73.81	73.81	73.81	73.81
January 12, 2026	73.96	73.96	73.96	73.96	73.96
January 09, 2026	73.84	73.84	73.84	73.84	73.84
January 08, 2026	73.36	73.36	73.36	73.36	73.36
January 07, 2026	73.36	73.36	73.36	73.36	73.36
January 06, 2026	73.61	73.61	73.61	73.61	73.61
January 05, 2026	73.16	73.16	73.16	73.16	73.16
January 02, 2026	72.7	72.7	72.7	72.7	72.7
December 31, 2025	72.55	72.55	72.55	72.55	72.55
December 30, 2025	73.08	73.08	73.08	73.08	73.08
December 29, 2025	73.18	73.18	73.18	73.18	73.18
December 26, 2025	73.44	73.44	73.44	73.44	73.44
December 24, 2025	73.23	73.23	73.23	73.23	73.23
December 23, 2025	73.23	73.23	73.23	73.23	73.23
December 22, 2025	72.9	72.9	72.9	72.9	72.9
December 19, 2025	72.43	72.43	72.43	72.43	72.43
December 18, 2025	71.8	71.8	71.8	71.8	71.8
December 17, 2025	71.23	71.23	71.23	71.23	71.23
December 16, 2025	72.07	72.07	72.07	72.07	72.07
December 15, 2025	72.24	72.24	72.24	72.24	72.24
December 12, 2025	72.35	72.35	72.35	72.35	72.35
December 11, 2025	73.13	73.13	73.13	73.13	73.13
December 10, 2025	72.97	72.97	72.97	72.97	72.97
December 09, 2025	72.48	72.48	72.48	72.48	72.48
December 08, 2025	72.55	72.55	72.55	72.55	72.55
December 05, 2025	73.39	73.39	73.39	73.39	73.39
December 04, 2025	73.24	73.24	73.24	73.24	73.24
December 03, 2025	73.16	73.16	73.16	73.16	73.16
December 02, 2025	72.94	72.94	72.94	72.94	72.94
December 01, 2025	72.76	72.76	72.76	72.76	72.76
November 28, 2025	73.14	73.14	73.14	73.14	73.14
November 26, 2025	72.75	72.75	72.75	72.75	72.75
November 25, 2025	72.25	72.25	72.25	72.25	72.25
November 24, 2025	71.6	71.6	71.6	71.6	71.6

MainStay S&P 500 Index Fund Investor Class (MYSPX) NASDAQ