NorthWestern Energy Group (NWE) Stock Chart & Stock Price History $55.54 -1.09 (-1.92%) Closing price 04:00 PM EasternExtended Trading$55.52 -0.02 (-0.03%) As of 05:37 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsSustainabilityTrendsBuy This Stock NorthWestern Energy Group Stock Price Performance The NorthWestern Energy Group (NWE) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 1.73%, with a year-to-date return of 3.89%. In the past month, the stock has increased 0.27%, reflecting recent market activity. As of the latest close, NorthWestern Energy Group traded at $56.63 with a market cap of $3.48 billion and volume of 421,145 shares. Five years ago, the stock traded at $50.38, representing a 10.24% increase over that period. At the time, it had a market cap of $2.55 billion and a volume of 473,696 shares. Receive NWE Stock News and Ratings via EmailSign-up to receive the latest news and ratings for NorthWestern Energy Group and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. 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Read our full terms of service and privacy policy. 5 Day Performance-2.73%1 Month Performance+0.27%3 Month Performance+8.60%Year-To-Date Performance+3.89%1 Year Performance-1.73%5 Year Performance+10.24% NWE Stock Chart for Tuesday, September, 16, 2025 NWE Chart by TradingView NorthWestern Energy Group 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 Capitalization09/15/2025$57.14$56.63-0.89%$56.93$56.48421,145 shs$3.48 billion09/12/2025$57.10$57.14+0.07%$57.44$56.96220,553 shs$3.51 billion09/11/2025$56.56$57.10+0.95%$57.16$56.39316,547 shs$3.51 billion09/10/2025$56.65$56.56-0.16%$56.89$56.14454,881 shs$3.47 billion09/09/2025$56.48$56.65+0.30%$56.83$56.21266,259 shs$3.48 billion09/08/2025$57.95$56.48-2.54%$58.14$56.22425,211 shs$3.47 billion09/05/2025$57.71$57.95+0.42%$58.22$57.57384,913 shs$3.56 billion09/04/2025$57.20$57.71+0.89%$57.85$56.88413,390 shs$3.54 billion09/03/2025$57.35$57.20-0.26%$57.33$56.87278,419 shs$3.51 billion09/02/2025$57.51$57.35-0.28%$57.79$57.00320,967 shs$3.52 billion Get the Latest News and Ratings for NWE and Related StocksEnter your email address below to receive the latest news and analysts' ratings for NorthWestern Energy Group and its competitors with MarketBeat's FREE daily newsletter. 09/01/2025$57.51$57.51$57.95$57.26285,558 shs$3.53 billion08/29/2025$57.52$57.51-0.02%$57.95$57.26285,558 shs$3.53 billion08/28/2025$58.12$57.52-1.03%$58.22$57.46366,735 shs$3.53 billion08/27/2025$57.80$58.12+0.55%$58.23$57.68273,652 shs$3.57 billion08/26/2025$57.82$57.80-0.03%$58.37$57.61268,597 shs$3.55 billion08/25/2025$58.48$57.82-1.13%$58.56$57.78258,191 shs$3.55 billion08/22/2025$57.07$58.48+2.47%$58.63$57.44518,758 shs$3.59 billion08/21/2025$57.50$57.07-0.75%$57.68$57.02845,383 shs$3.50 billion08/20/2025$58.41$57.50-1.56%$59.50$57.451.69 million shs$3.53 billion08/19/2025$54.93$58.41+6.34%$58.50$55.831.62 million shs$3.59 billion08/18/2025$55.39$54.93-0.83%$55.46$54.89253,322 shs$3.37 billion08/15/2025$56.04$55.39-1.16%$56.04$55.16471,577 shs$3.40 billion Related Companies LNT Stock Chart AEE Stock Chart ATO Stock Chart AVA Stock Chart BKH Stock Chart IDA Stock Chart NJR Stock Chart OGE Stock Chart POR Stock Chart SR Stock Chart Receive NWE Stock News and Ratings via EmailSign-up to receive the latest news and ratings for NorthWestern Energy Group and its competitors with MarketBeat's FREE daily newsletter. This page (NYSE:NWE) was last updated on 9/16/2025 by MarketBeat.com Staff From Our PartnersFanatics Hit $31B-Is This Nasdaq Next?Fanatics built an empire by owning the fan experience-scaling to a $31B valuation. 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