NiSource Inc (NI) NYSE

Currency In USD

NI Historical Return

If you invested $1000 in NiSource Inc. (NI) 10 years ago, it would be worth $2,619.36 as of October 23, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $2,025.1, while $1000 invested 1 year ago would be worth $1,006.24. This corresponds to total returns of 161.94%, 102.51%, 0.62%, respectively, with annualized returns of 10.11%, 15.17%, 0.62%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

NI Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
October 22, 2026	43.2	43.69	43.69	43.79	43.14	7.61M
October 21, 2026	42.98	42.99	42.99	43.12	42.8	5.26M
October 20, 2026	42.39	42.76	42.76	42.95	42.19	4.99M
October 19, 2026	42.68	41.95	41.95	43	41.85	7.02M
October 16, 2026	41.84	42.68	42.68	42.87	41.67	9.04M
October 15, 2026	41.57	41.25	41.25	41.8	41.13	5.89M
October 14, 2026	41.39	41.26	41.26	41.52	40.93	5.72M
October 13, 2026	41.46	41.49	41.49	41.7	40.72	3.21M
October 12, 2026	40.83	41.23	41.23	41.35	40.75	3.03M
October 09, 2026	40.56	40.76	40.76	40.95	40.49	3.21M
October 08, 2026	40.51	40.53	40.53	40.65	40.13	3.95M
October 07, 2026	40.61	40.54	40.54	40.84	40.31	4.9M
October 06, 2026	40.25	40.67	40.67	40.7	39.59	6.01M
October 05, 2026	39.5	39.55	39.55	39.84	39.27	4.07M
October 02, 2026	39.76	39.43	39.43	40.01	39.38	4.15M
October 01, 2026	38.98	39.5	39.5	39.53	38.42	5.79M
September 30, 2026	39.32	39	39	39.55	38.98	6.47M
September 29, 2026	38.96	39.32	39.32	39.57	38.87	6.42M
September 28, 2026	39.38	39.1	39.1	39.44	39.05	5.93M
September 25, 2026	39.12	39.42	39.42	39.57	38.99	4.94M
September 24, 2026	39.35	39.12	39.12	39.54	38.95	6.58M
September 23, 2026	39.69	39.25	39.25	39.74	39	8.45M
September 22, 2026	40.39	39.88	39.88	40.53	39.88	6.13M
September 21, 2026	40.64	40.52	40.52	40.76	40.31	8.03M
September 18, 2026	40.58	40.58	40.58	40.69	40.44	9.9M
September 17, 2026	40.87	40.91	40.91	41.05	40.59	4.17M
September 16, 2026	40.88	40.66	40.66	41.09	40.47	4.19M
September 15, 2026	41.11	40.59	40.59	41.2	40.52	3.29M
September 11, 2026	41.64	41.41	41.41	41.9	41.36	3.63M
September 10, 2026	41.86	41.42	41.42	42	41.36	5.3M
September 09, 2026	41.83	41.67	41.67	42.05	41.4	4.08M
September 08, 2026	41.36	41.9	41.9	42.18	41.36	5.09M
September 04, 2026	41.38	41.39	41.39	41.64	41.16	4.55M
September 03, 2026	41.3	41.66	41.66	41.79	41.24	4.2M
September 02, 2026	40.79	41.15	41.15	41.19	40.6	5.14M
September 01, 2026	41.04	40.96	40.96	41.28	40.76	6.94M
August 31, 2026	40.44	40.92	40.92	41.08	40.09	6.92M
August 28, 2026	41.3	40.57	40.57	41.3	40.49	3.05M
August 27, 2026	40.81	40.96	40.96	41.08	40.61	3.71M
August 26, 2026	40.61	41.13	41.13	41.25	40.61	5.06M
August 25, 2026	40.9	40.65	40.65	41.08	40.65	4.42M
August 24, 2026	40.66	40.83	40.83	40.89	40.49	5.67M
August 21, 2026	41.77	40.62	40.62	42.38	40.6	5.67M
August 20, 2026	41.5	41.64	41.64	42.23	41.43	6.36M
August 19, 2026	42.24	41.63	41.63	42.27	41.58	6.81M
August 18, 2026	43.22	42.12	42.12	43.22	42.01	4.41M
August 17, 2026	42.26	42.37	42.37	42.38	41.96	5.49M
August 14, 2026	41.98	42.5	42.5	42.64	41.98	4.72M
August 13, 2026	42.19	42.08	42.08	42.36	42.04	4.69M
August 12, 2026	41.82	41.99	41.99	42.37	41.67	6.46M
August 11, 2026	41.73	42.01	42.01	42.11	41.41	7.57M
August 10, 2026	42.34	41.78	41.78	42.34	41.7	7.62M
August 07, 2026	43.15	42.61	42.61	43.31	42.55	7.51M
August 06, 2026	43.28	43.38	43.38	43.51	42.7	9.21M
August 05, 2026	42.96	42.91	42.91	43.99	41.95	13.56M
August 04, 2026	44.52	44.53	44.53	44.69	43.69	6.77M
August 03, 2026	44.35	44.53	44.53	45.02	44.25	4.82M
July 31, 2026	44.75	44.43	44.43	44.96	44.43	4.39M
July 30, 2026	45.21	45.07	45.07	45.27	44.32	5.64M
July 29, 2026	45.73	44.81	44.81	45.9	44.78	4.02M