Price & volume screen · refreshed after the Sep 28, 2026 close

Most volatile stocks: Utilities

Companies with the widest daily price swings over the last 60 sessions. Annualised standard deviation of daily returns over 60 sessions. Higher volatility means bigger moves in both directions.

CriteriaMarket cap ≥ $300MPrice ≥ $260 sessions of history96 stocks
#CompanyPriceTodayVolatility 60d1MMkt cap
1MNTKMontauk RenewablesUtilities$2.80−4.44%94.7%+55.6%$398.6M
2OKLOOkloUtilities$37.11−2.44%83.3%−12.7%$6.90B
3NNENano Nuclear EnergyUtilities$16.16−4.89%78.6%−16.0%$867.8M
4CDZICADIZUtilities$3.58−1.92%69.4%−9.4%$303.1M
5EIXEdison InternationalUtilities$51.47−2.24%65.7%−30.1%$19.81B
6CTRICenturi HoldingsUtilities$19.92−2.88%65.0%−5.7%$2.01B
7VGVenture GlobalUtilities$12.89+2.14%64.6%−11.0%$32.23B
8PESIPerma-Fix Environmental ServicesUtilities$15.64−0.06%61.6%−19.0%$331.9M
9PCGPG&EUtilities$11.95−3.16%58.3%−33.4%$35.88B
10NRGNRG EnergyUtilities$97.00−3.36%56.6%−15.2%$20.39B
11NEXTNextDecadeUtilities$6.560.00%53.1%−11.8%$1.75B
12TLNTalen EnergyUtilities$303.50−0.30%51.0%−0.4%$14.54B
13KGSKodiak Gas ServicesUtilities$52.72−0.36%50.8%−12.4%$5.33B
14HNRGHallador EnergyUtilities$14.39−2.24%49.9%−13.5%$678.4M
15NGLNGL ENERGY PARTNERS LPUtilities$14.88−1.46%46.7%−15.1%$1.86B
16ORAOrmat TechnologiesUtilities$90.36−3.49%43.8%−13.9%$5.56B
17NVRIEnviriUtilities$19.35+1.04%43.1%−13.9%$545.5M
18VSTVistraUtilities$138.02−0.32%40.4%−1.3%$46.32B
19EEExcelerate EnergyUtilities$32.84−0.76%36.5%−17.1%$1.03B
20CEGConstellation EnergyUtilities$260.43−1.08%35.9%−7.8%$92.27B
21AROCArchrockUtilities$30.55+0.39%35.5%−4.7%$5.36B
22XIFRXPLR Infrastructure, LPUtilities$10.36−1.80%34.6%−12.1%$976.9M
23CQPCheniere Energy Partners, LPUtilities$62.80−0.99%31.4%−8.1%$30.40B
24LNGCheniere EnergyUtilities$269.65+0.41%31.1%−4.0%$55.69B
25TRGPTarga ResourcesUtilities$277.43−0.15%31.0%−4.0%$59.49B
26SMCSummit MidstreamUtilities$30.66−0.45%30.9%−9.5%$422.6M
27CWENClearway EnergyUtilities$29.21−1.88%30.0%−9.8%$6.00B
28KNTKKinetik HoldingsUtilities$51.210.00%27.4%−5.8%$4.12B
29CWSTCasella Waste SystemsUtilities$81.60−0.78%26.7%−12.3%$5.19B
30USACUSA COMPRESSION PARTNERS LPUtilities$25.33−0.82%26.2%−5.3%$3.67B
31OKEOneokUtilities$88.62−0.01%25.9%−6.4%$55.87B
32WMBWilliams CompaniesUtilities$68.98−0.40%25.7%−7.0%$84.37B
33UGIUGIUtilities$36.24−0.74%24.9%−5.2%$7.77B
34HEHawaiian Electric IndustriesUtilities$8.95−1.65%24.7%−21.9%$1.55B
35CWCOConsolidated Water CoUtilities$27.53−1.18%23.7%−8.5%$440.8M
36SRESempraUtilities$76.89−1.33%22.6%−9.3%$50.28B
37AMAntero MidstreamUtilities$20.70−1.10%22.3%−8.1%$9.83B
38CLHClean HarborsUtilities$313.26+0.07%22.0%+0.5%$16.54B
39DTMDT MidstreamUtilities$121.97−0.25%21.6%−7.4%$12.44B
40KMIKinder MorganUtilities$30.63−0.39%21.2%−2.9%$68.21B
41GNEGENIE ENERGYUtilities$16.00+0.50%21.1%+7.3%$421.1M
42AWKAmerican Water WorksUtilities$128.93−1.51%21.1%−5.7%$25.62B
43OTTROtter TailUtilities$88.51−0.93%20.8%−3.5%$3.72B
44WMWaste ManagementUtilities$206.44−0.19%20.3%−5.2%$82.52B
45OGSONE GASUtilities$71.66−0.20%20.0%−10.0%$4.50B
46PORPortland General ElectricUtilities$44.18−5.70%20.0%−11.4%$5.20B
47MSEXMiddlesex Water CoUtilities$52.45−1.91%20.0%−9.4%$988.4M
48WTRGEssential UtilitiesUtilities$38.96−1.44%19.7%−3.9%$11.06B
49RSGRepublic ServicesUtilities$212.93+0.39%19.7%−2.9%$65.20B
50YORWYork Water CoUtilities$30.62−1.16%19.6%−9.2%$496.9M

Method & sources

Computed after each close from Massive / Polygon prices (split-adjusted), SEC filings, FINRA short-interest settlements and FMP earnings dates. Rows are rebuilt every session; a stock appears only when every criterion is met with current data. Full methodology

Informational screen, not a recommendation.

Most volatile stocks · Utilities (Sep 28) | Gainbot