Phillips 66 (PSX) Stock Valuation After Zeus Gas Plant And Coastal Bend Fractionator Progress

فيليبس 66

Phillips 66

PSX

0.00

Phillips 66 (PSX) is moving ahead with its Zeus Gas Plant in the Permian Basin and a third Coastal Bend Fractionator. This long-dated build-out is shaping how investors view the stock.

Recent news around the Zeus Gas Plant and Coastal Bend Fractionator comes as the stock has cooled in the very short term. The 1 day share price return is down 1.99% and the 7 day share price return is down 3.28%. At the same time, the year to date share price return of 36.40% and the 1 year total shareholder return of 51.58% point to strong momentum that has been building over a longer period.

If this kind of infrastructure build has your attention, it can be worth widening the lens beyond a single stock and checking out 34 power grid technology and infrastructure stocks

With Phillips 66 trading at US$178.10, an indicated intrinsic discount of 62% and about 7% below one analyst price target, investors may ask whether there is real value left or whether the market is already pricing in future growth.

Most Popular Narrative: 7% Undervalued

Against a last close of $178.10, the most followed narrative points to a fair value of about $190.84, putting extra focus on how future cash flows might develop.

Phillips 66 is executing on transformational growth opportunities like enhancing its NGL value chain and achieving growth in Midstream, which could drive revenue growth and earnings stability.

The company is improving its refining operations through low-capital, high-return projects, enabling better feedstock flexibility and yield, which can boost net margins.

Want to see what sits behind that fair value call? The narrative leans heavily on margin improvement, earnings compounding, and a future profit multiple that looks surprisingly restrained for those assumptions.

Result: Fair Value of $190.84 (UNDERVALUED)

However, investors still need to weigh the risk that refining and chemicals margins soften, or that midstream projects run into delays, which could challenge this thesis.

Wall Street's queuing for one rocket. While SpaceX counts down to its IPO, other companies tied to the new space race are already in orbit. → 20 Compelling Space Companies watchlist · Global Space Race Investing Ideas screener · Scan the sector by valuation on Rocket Lab's valuation page.

Another View: Earnings Multiple Sends A Different Signal

The SWS DCF model points to a fair value of about $467.49 per share, which is very far above the current $178.10 price and implies the stock screens as deeply undervalued on that framework.

Set against that, the current P/E of 17.4x looks expensive compared with both the peer average at 15.3x and the broader US Oil and Gas industry at 13.8x. However, it still sits below the modelled fair ratio of 22.8x that the market could move toward over time. For an investor weighing these signals side by side, which gap feels more persuasive?

NYSE:PSX P/E Ratio as at Jun 2026
NYSE:PSX P/E Ratio as at Jun 2026

Next Steps

The mix of upbeat and cautious signals around Phillips 66 will land differently for every investor, so it can be worth reviewing the data now and weighing both the upside and the downside using 3 key rewards and 2 important warning signs.

Looking for more investment ideas?

If you stop at a single stock, you risk missing other opportunities that match your goals, so put the Simply Wall Street Screener to work for you today.

  • Spot potential value opportunities early by checking companies that stand out on quality and valuation using the 46 high quality undervalued stocks.
  • Strengthen the defensive side of your portfolio by focusing on businesses with robust finances through the solid balance sheet and fundamentals stocks screener (47 results).
  • Expand your watchlist with under-followed opportunities by scanning the screener containing 20 high quality undiscovered gems.

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.