As of Oct. 8, 2026, three stocks in the utilities sector could be flashing a real warning to investors who value momentum as a key criteria in their trading decisions.

The RSI is a momentum indicator, which compares a stock’s strength on days when prices go up to its strength on days when prices go down. When compared to a stock’s price action, it can give traders a better sense of how a stock may perform in the short term. An asset is typically considered overbought when the RSI is above 70, according to Benzinga Pro.

Here’s the latest list of major overbought players in this sector.

Vistra Corp (NYSE:VST)

  • On Oct. 5, BMO Capital analyst James Thalacker maintained Vistra with an Outperform rating and lowered the price target from $231 to $210. The company’s stock gained around 20% over the past five days and has a 52-week high of $217.10.
  • RSI Value: 70.6                                
  • VST Price Action: Shares of Vistra gained 3.9% to close at $166.72 on Wednesday.
  • Edge Stock Ratings: 41.63 Momentum score with Value at 24.74.

Talen Energy Corp (NASDAQ:TLN)

  • On Sept. 29, Talen Energy named President Terry Nutt as CEO, effective Jan. 1, 2027, succeeding Mac McFarland. The company’s board approved upsized $3 billion buyback plan through 2028. The company’s stock gained around 21% over the past five days and has a 52-week high of $449.84.
  • RSI Value: 72.6
  • TLN Price Action: Shares of Talen Energy rose 1.4% to close at $378.32 on Wednesday.

NorthWestern Energy Group Inc (NASDAQ:NWE)

  • On Oct. 6, Barclays analyst Nicholas Campanella maintained NorthWestern Energy Group with an Overweight rating and cut the price target from $73 to $70.. The company’s stock gained around 9% over the past five days and has a 52-week high of $76.00.
  • RSI Value: 77.5                                                                                                    
  • NWE Price Action: Shares of NorthWestern Energy rose 7.3% to close at $73.97 on Wednesday.

Learn more about BZ Edge Rankings—click to see scores for other stocks in the sector and see how they compare.

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