NiSource (NI) Stock Chart & Stock Price History $39.75 +0.18 (+0.46%) As of 01:49 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock NiSource Stock Price Performance The NiSource (NI) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 32.20%, with a year-to-date return of 8.14%. In the past month, the stock has increased 0.72%, reflecting recent market activity. As of the latest close, NiSource traded at $39.56 with a market cap of $18.62 billion and volume of 4.01 million shares. Five years ago, the stock traded at $23.74, representing a 67.46% increase over that period. At the time, it had a market cap of $9.02 billion and a volume of 3.79 million shares. 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Email Address 5 Day Performance+0.98%1 Month Performance+0.72%3 Month Performance+1.39%Year-To-Date Performance+8.14%1 Year Performance+32.20%5 Year Performance+67.46% NI Stock Chart for Monday, July, 14, 2025 NI Chart by TradingView NiSource Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization07/11/2025$39.60$39.56-0.10%$39.72$39.104.01 million shs$18.62 billion07/10/2025$39.37$39.60+0.58%$39.63$39.034.47 million shs$18.64 billion07/09/2025$39.01$39.37+0.92%$39.43$38.793.42 million shs$18.53 billion07/08/2025$39.62$39.01-1.54%$39.38$38.585.46 million shs$18.36 billion07/07/2025$39.47$39.62+0.38%$39.72$39.353.15 million shs$18.65 billion07/04/2025$39.47$39.47$39.72$39.222.21 million shs$18.58 billion07/03/2025$39.41$39.47+0.14%$39.72$39.222.21 million shs$18.58 billion07/02/2025$40.11$39.41-1.74%$39.98$38.943.88 million shs$18.55 billion07/01/2025$40.36$40.11-0.62%$40.51$39.995.69 million shs$18.88 billion06/30/2025$40.01$40.36+0.87%$40.36$39.784.01 million shs$19.00 billion Get the Latest News and Ratings for NI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for NiSource and its competitors with MarketBeat's FREE daily newsletter. 06/27/2025$39.63$40.01+0.96%$40.25$39.547.01 million shs$18.83 billion06/26/2025$39.76$39.63-0.33%$39.87$39.404.71 million shs$18.65 billion06/25/2025$40.53$39.76-1.91%$40.43$39.643.86 million shs$18.72 billion06/24/2025$40.52$40.53+0.03%$40.79$40.374.27 million shs$19.08 billion06/23/2025$39.51$40.52+2.57%$40.54$39.665.54 million shs$19.07 billion06/20/2025$39.26$39.51+0.62%$39.76$39.176.15 million shs$18.60 billion06/19/2025$39.26$39.26$39.64$39.134.73 million shs$18.48 billion06/18/2025$39.25$39.26+0.04%$39.64$39.134.73 million shs$18.48 billion06/17/2025$39.34$39.25-0.23%$39.40$38.964.40 million shs$18.47 billion06/16/2025$39.47$39.34-0.34%$40.01$39.183.76 million shs$18.52 billion06/13/2025$39.85$39.47-0.95%$40.00$39.433.64 million shs$18.58 billion Related Companies LNT Stock Chart ATO Stock Chart CNP Stock Chart DTE Stock Chart DUK Stock Chart ED Stock Chart ETR Stock Chart FE Stock Chart IDA Stock Chart PNW Stock Chart Receive NI Stock News and Ratings via EmailSign-up to receive the latest news and ratings for NiSource and its competitors with MarketBeat's FREE daily newsletter. 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