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STOCK COMPARISON

Phillips 66 vs Exxon Mobil: Fair Value & Quality

Both stocks run through our valuation models. Here is how Phillips 66 (PSX) and Exxon Mobil (XOM) compare, as of Sep 10, 2026.

As of Sep 10, 2026, Fair Value Calculator sees Exxon Mobil as the less overvalued of the two: Phillips 66 trades at $261 versus a fair value of $99.41 (-62%), while Exxon Mobil trades at $164 versus $88.98 (-46%).
Phillips 66
PSX · USD · Energy
-62%
upside to fair value
overvalued
Price$261
Fair Value$99.41
Quality61/100
Exxon Mobil
XOM · USD · Energy
-46%
upside to fair value
overvalued
Price$164
Fair Value$88.98
Quality56/100
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Head-to-head numbers

Green value = the better side for that row (for valuation multiples: lower = cheaper).

Phillips 66Exxon Mobil
Valuation
19.9×P/E (TTM)24.6×
0.59×P/S (TTM)1.86×
2.70×P/B2.34×
13.7×EV/EBITDA11.3×
1.17×PEG1.20×
−61.9%Fair value upside−45.8%
1.9%Dividend yield2.5%
$4.87Dividend per share$4.04
Profitability
1%Operating margin6%
15%Return on equity10%
4%Return on assets4%
Growth
7%Revenue growth (YoY)3%
-8.1%Avg. growth/yr (3Y)-6.7%
15.7%Avg. growth/yr (5Y)12.6%
+15.2%Value creation/yr+11.4%
Balance & size
3.4×Interest coverage (EBIT/interest)56.3×
0.64×Debt / equity0.13×
$79BMarket cap$606B
weakGrowth qualityweak

Exxon Mobil leads: 5 to 8 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.

Phillips 66of which business quality 58 · market factors 93 Exxon Mobilof which business quality 57 · market factors 79
ProfitabilityMargins and returns on capital today
49
43
Quality GrowthAre margins and returns improving?
46
33
CashflowEarnings quality: real cash, not paper profit
31
51
Fin. StrengthBalance sheet, leverage, solvency risk
50
77
InvestmentDisciplined investing over empire-building
100
60
Low VolatilityCalm price path (market factor)
76
88
MomentumPrice trend over the last 3–12 months (market factor)
100
68
52W MomentumDistance to the 52-week high (market factor)
100
89
Net IssuanceBuybacks instead of dilution
100
77

What the models say

How far the median fair value (base case) per model family sits from the current price, in percent. The amount in the currency of the trading venue is shown underneath.

above the price, more than 15% above close to the price, 85% to 115% of the price below the price, more than 15% below

Model familyPhillips 66Price $261Exxon MobilPrice $164
DCF Models-78%below the price$57.02-49%below the price$83.38
Earnings-Based-72%below the price$72.82-53%below the price$76.97
Multiples-61%below the price$100-45%below the price$90.93
Asset-Based-81%below the price$48.62-74%below the price$41.93
Growth DCF-78%below the price$56.79-48%below the price$86.16
Economic Profit-76%below the price$62.40-62%below the price$62.60
Growth Earnings-55%below the price$119-53%below the price$77.86
Minimum-81%below the price$48.62-74%below the price$41.93
Maximum-55%below the price$119-45%below the price$90.93
Median-76%below the price$62.40-53%below the price$77.86
Geometric mean-73%below the price$70.34-56%below the price$72.25

Minimum, maximum, median and geometric mean refer to the family values in this table. Geometric because deviations are ratios: half the price and twice the price average to 100%, not 125%.

Phillips 66: 22 of 22 models see the stock below the current price.

Exxon Mobil: 22 of 22 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.

Phillips 66
Bear $75.88Fair Value $99.41Bull $150
$261 = current price (white tick)
Exxon Mobil
Bear $59.15Fair Value $88.98Bull $117
$164 = current price (white tick)

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Ranked within their sector

Where each stock sits within its sector peer group. Band = middle 50% of peers, tick = median, dot = this stock.

Phillips 66 · Energy

Quality score61 · Top 25%
Fair value upside-62% · bottom 25%

Exxon Mobil · Energy

Quality score56 · above median
Fair value upside-46% · below median

Bottom line

As of Sep 10, 2026, Fair Value Calculator sees Exxon Mobil as the less overvalued of the two: Phillips 66 trades at $261 versus a fair value of $99.41 (-62%), while Exxon Mobil trades at $164 versus $88.98 (-46%).

Phillips 66 has the higher quality score (61/100).

See the full analysis →
Phillips 66 · Exxon Mobil

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A model-based valuation snapshot from 26 models. Values change with price and fundamentals; the date shown above applies.