Southwest Gas Holdings vs Naturgy Energy Group: Fair Value & Quality
Both stocks run through our valuation models. Here is how Southwest Gas Holdings (SWX) and Naturgy Energy Group (NTGY) compare, as of Aug 10, 2026.
Head-to-head numbers
Green value = the better side for that row (for valuation multiples: lower = cheaper).
Southwest Gas Holdings leads: 7 to 6 metric wins.
Dash = not meaningfully computable, for example with negative equity.
Quality in detail
The quality score, broken down into the same factor families as on the stock page, 0 to 100 per family.
What the models say
The median fair value (base case) per model family, each in the currency of its trading venue. Green = above the current price, red = below.
Southwest Gas Holdings
12 of 15 models see the stock below the current price.
Naturgy Energy Group
11 of 24 models see the stock below the current price.
Scenario ranges
From our cautious bear case to the optimistic bull case. The white tick is the current price: left of fair value means room to run.
Compare two other stocks
Tap a field and type again, ticker or company name.
Ranked within their sector
Where each stock sits within its sector peer group. Band = middle 50% of peers, tick = median, dot = this stock.
Southwest Gas Holdings · Utilities
Naturgy Energy Group · Utilities
Bottom line
As of Aug 10, 2026, Fair Value Calculator sees Naturgy Energy Group as the more attractively valued of the two: Southwest Gas Holdings trades at $92.09 versus a fair value of $70.67 (-23%), while Naturgy Energy Group trades at €28.72 versus €35.80 (+25%).
Naturgy Energy Group has the higher quality score (55/100).
See the full analysis →More comparisons
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A model-based valuation snapshot from 21 models. Values change with price and fundamentals; the date shown above applies.