Southwest Gas - 15 Year Stock Price History | SWX

Historical daily share price chart and data for Southwest Gas since 2011 adjusted for splits and dividends. The latest closing stock price for Southwest Gas as of September 18, 2026 is 85.85.
  • The all-time high Southwest Gas stock closing price was 92.72 on April 30, 2026.
  • The Southwest Gas 52-week high stock price is 94.47, which is 10% above the current share price.
  • The Southwest Gas 52-week low stock price is 76.74, which is 10.6% below the current share price.
  • The average Southwest Gas stock price for the last 52 weeks is 85.91.
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Southwest Gas Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2026 87.3245 78.4615 92.7221 77.8448 85.8500 9.59%
2025 73.3561 66.6168 81.3004 63.9065 78.3343 16.92%
2024 66.7760 58.5296 75.0020 52.7699 66.9958 15.68%
2023 55.2762 54.2387 60.4441 47.8706 57.9171 6.61%
2022 66.3443 58.4418 81.1945 54.0983 54.3265 -8.66%
2021 56.4984 48.7683 61.1497 47.2177 59.4776 19.33%
2020 55.9417 60.2312 64.0075 41.8523 49.8431 -17.50%
2019 65.9872 57.3196 72.7504 57.2499 60.4141 1.97%
2018 58.0217 60.0966 65.3897 48.6923 59.2481 -2.32%
2017 59.9181 56.2246 64.9878 54.2152 60.6543 7.58%
2016 50.1150 38.6281 57.2905 38.6281 56.3791 42.51%
2015 39.9792 42.8835 44.5469 36.4191 39.5604 -8.18%
2014 36.9050 37.0384 44.6401 32.7473 43.0857 13.54%
2013 32.7710 28.6898 37.9479 27.9358 37.9479 35.29%
2012 27.9744 27.4287 29.9639 26.1369 28.0483 2.55%
Sector Industry Market Cap Revenue
Utilities Utility - Natural Gas Distribution $6.219B $1.940B
Southwest Gas Holdings, Inc. is an energy holding company based in Las Vegas, NV. The company makes deliveries of natural gas under a priority system established by state regulatory commissions, which aims that higher-priority customers, primarily residential customers and other customers who use 500 therms or less of gas per day are given greater importance. The company systematically acquires and arranges delivery of natural gas to its system in sufficient quantities to meet customers' needs. Southwest acquires natural gas from a wide variety of sources with a mix of purchase provisions, which includes spot market and firm supplies.
Stock Name Country Market Cap PE Ratio
Atmos Energy (ATO) United States $27.089B 19.06
Hong Kong & China Gas (HOKCY) Hong Kong, SAR China $16.408B 0.00
Centrica (CPYYY) United Kingdom $9.389B 0.00
UGI (UGI) United States $8.078B 12.90
ENN Energy Holdings (XNGSY) China $7.165B 0.00
NewJersey Resources (NJR) United States $5.410B 14.65
Enagas SA (ENGGY) Spain $5.015B 0.00
ONE Gas (OGS) United States $4.726B 15.50
Spire (SR) United States $4.684B 16.51
MDU Resources (MDU) United States $3.799B 19.74
Chesapeake Utilities (CPK) United States $3.167B 20.92
Northwest Natural Gas (NWN) United States $2.035B 16.11
Clean Energy Fuels (CLNE) United States $0.372B 0.00