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

Date Range:

Date	Open	Close	Adj Close	High	Low
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
November 21, 2025	70.52	70.52	70.52	70.52	70.52
November 20, 2025	69.83	69.83	69.83	69.83	69.83
November 19, 2025	70.66	70.66	70.66	70.66	70.66
November 18, 2025	70.66	70.66	70.66	70.66	70.66
November 17, 2025	71.24	71.24	71.24	71.24	71.24
November 14, 2025	71.89	71.89	71.89	71.89	71.89
November 13, 2025	71.92	71.92	71.92	71.92	71.92
November 12, 2025	73.13	73.13	73.13	73.13	73.13
November 11, 2025	73.08	73.08	73.08	73.08	73.08
November 10, 2025	72.93	72.93	72.93	72.93	72.93
November 07, 2025	71.82	71.82	71.82	71.82	71.82
November 06, 2025	71.72	71.72	71.72	71.72	71.72
November 05, 2025	72.54	72.54	72.54	72.54	72.54
November 04, 2025	72.27	72.27	72.27	72.27	72.27
November 03, 2025	73.13	73.13	73.13	73.13	73.13
October 31, 2025	73	73	73	73	73
October 30, 2025	72.81	72.81	72.81	72.81	72.81
October 29, 2025	73.54	73.54	73.54	73.54	73.54
October 28, 2025	73.54	73.54	73.54	73.54	73.54
October 27, 2025	73.38	73.38	73.38	73.38	73.38
October 24, 2025	72.49	72.49	72.49	72.49	72.49
October 23, 2025	71.92	71.92	71.92	71.92	71.92
October 22, 2025	71.5	71.5	71.5	71.5	71.5
October 21, 2025	71.89	71.89	71.89	71.89	71.89
October 20, 2025	71.13	71.13	71.13	71.13	71.13
October 17, 2025	71.13	71.13	71.13	71.13	71.13
October 16, 2025	70.76	70.76	70.76	70.76	70.76
October 15, 2025	71.21	71.21	71.21	71.21	71.21
October 14, 2025	70.92	70.92	70.92	70.92	70.92
October 13, 2025	71.03	71.03	71.03	71.03	71.03
October 10, 2025	69.94	69.94	69.94	69.94	69.94
October 09, 2025	71.88	71.88	71.88	71.88	71.88
October 08, 2025	72.08	72.08	72.08	72.08	72.08
October 07, 2025	71.66	71.66	71.66	71.66	71.66
October 06, 2025	71.94	71.94	71.94	71.94	71.94
October 03, 2025	71.68	71.68	71.68	71.68	71.68
October 02, 2025	71.67	71.67	71.67	71.67	71.67
October 01, 2025	71.62	71.62	71.62	71.62	71.62

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