Percent change in each close since the start of the chosen range, for both companies and the S&P 500 (SPY). Daily closes over the last year, weekly before that and monthly before five years.
In short
How the two compare
On the latest closes (28 Oct 2026), DTE Energy is the larger company by market value ($27.45B against $13.06B). Over the past year DTE Energy returned −4.5% and Pinnacle West Capital +18.7%, while the S&P 500 returned +12.7%. The latest filed P/E is 18.9 for DTE Energy and 21.6 for Pinnacle West Capital, and the operating margin 14.1% against 21%. Over the next 21 sessions the model expects −0.38% for DTE Energy, with a 63% chance of a rise, and −0.24% for Pinnacle West Capital, with a 69% chance.
Model view
What the model expects
Expected returns and the chance of a rise from our forecasting models, and the long-run fair value against the price. Readings, not advice.
Model readings:
MeasureDTE Energy · DTEPinnacle West Capital · PNW
Expected returnnext 21 sessions
DTE−0.38%
PNW−0.24%
Chance of a risenext 21 sessions
DTE63%
PNW69%
Expected returnnext 63 sessions
DTE+0.64%
PNW+0.41%
Range of outcomes63 sessions, 80% band
DTE−12.2% to +13.4%
PNW−13% to +13.8%
Chance of a risenext 63 sessionsMembers only · see plans
Long-run fair valueintrinsic value model
DTE—The model's fair value falls outside its own interval or at the gap clamp, so it is not a measurement.
PNW—The model's fair value falls outside its own interval or at the gap clamp, so it is not a measurement.
Gap to pricefair value against the close
DTE—The model's fair value falls outside its own interval or at the gap clamp, so it is not a measurement.
PNW—The model's fair value falls outside its own interval or at the gap clamp, so it is not a measurement.
Past readings that matchedsign of the 21-session outcome
DTE43.9%of 269
PNW43.1%of 269
Price performance
How the prices moved
Price change over each period, with the S&P 500 (SPY) for comparison.
Closes to
MeasureDTE Energy · DTEPinnacle West Capital · PNW
1 monthS&P 500: +1.1%
DTE+7.8%
PNW+12.3%
6 monthsS&P 500: +8.5%
DTE−9.5%
PNW+5%
Year to dateS&P 500: +13.3%
DTE+3.9%
PNW+21.5%
1 yearS&P 500: +12.7%
DTE−4.5%
PNW+18.7%
5 yearsS&P 500: +70.7%
DTE+33.6%
PNW+90.9%
1 year against the S&P 500percentage points
DTE−17.2 pts
PNW+6.0 pts
Position in the 52-week range0% low, 100% high
DTE34%close $131.96 in $119.68 to $155.75
PNW80%close $104.87 in $83.83 to $110.16
Against the 200-day average
DTE−5.7%
PNW+5.7%
Valuation
What the market pays
Size and the multiples from the latest filed quarter. A P/E on losses reads n/m.
Filings: quarter to
MeasureDTE Energy · DTEPinnacle West Capital · PNW
Market value
DTE$27.45B28 Oct 2026
PNW$13.06B28 Oct 2026
Enterprise valueat the last filing
DTE$56.16B30 Jun 2026
PNW$23.91B30 Jun 2026
P/Elatest filed
DTE18.9
PNW21.6
Price to book
DTE2.71
PNW1.88
EV / EBITDA
DTE14.18
PNW11.60
Free cash flow yield
DTE8.52%
PNW−6.6%
Dividend yield
DTE2.06%
PNW3.24%
Profitability
How much of revenue becomes profit
Margins and returns on capital from the latest filing; revenue, net income and earnings per share over the trailing twelve months.
Filings: quarter to
MeasureDTE Energy · DTEPinnacle West Capital · PNW
Gross margin
DTE14.1%
PNW21%
Operating margin
DTE14.1%
PNW21%
Net margin
DTE10%
PNW12.4%
Return on equity
DTE14.3%
PNW8.7%
Return on invested capital
DTE1.3%
PNW1.3%
Revenuetrailing twelve months
DTE$16.84B
PNW$5.44B
Net incometrailing twelve months
DTE$1.68B
PNW$615.54M
Earnings per sharetrailing twelve months
DTE$8.07
PNW$4.94
Growth
How fast the business grew
Change against the same quarter a year earlier.
Filings: quarter to
MeasureDTE Energy · DTEPinnacle West Capital · PNW
Revenue growthyear over year
DTE+29.9%
PNW+7.1%
Earnings growthyear over year
DTE+94.3%
PNW−8.2%
Free cash flow growthyear over year
DTE−41%
PNW−8.8%
Financial health
Balance sheet and quality scores
Leverage, liquidity and two published scores: Altman Z (below 1.8 the distress zone, above 3 the safe zone) and Piotroski F (0 to 9).
Filings: quarter to
MeasureDTE Energy · DTEPinnacle West Capital · PNW
Debt to equity
DTE2.11
PNW1.50
Current ratiocurrent assets over current liabilities
DTE0.80
PNW0.59
Altman Z-score
DTE—Not in the latest filing data.
PNW—Not in the latest filing data.
Piotroski F-scoreout of 9
DTE7 of 9
PNW7 of 9
Trading and risk
How the shares trade
Volatility, sensitivity to the market, the deepest fall, short interest and how closely the two move together.
Closes to ; FINRA settlement
MeasureDTE Energy · DTEPinnacle West Capital · PNW
Volatility21 sessions, annualised
DTE18%
PNW19.6%
Betaagainst the S&P 500, 5 years
DTE0.31
PNW0.36
Deepest fallpeak to trough, 5 years
DTE−28.9%
PNW−24%
Market regimeour reading at each model date
DTEStrong risk-off
PNWStrong risk-off
Short interestshare of the float
DTE2.7%settled 30 Sep 2026
PNW10.1%settled 30 Sep 2026
Days to covershort shares over average volume
DTE2.4
PNW8.6
Average volume3 months, shares a day
DTE1.52M
PNW1.2M
Moving togethercorrelation of daily returns, past year0.81, closely together−1 opposite0 unrelated+1 together
Questions
DTE Energy or Pinnacle West Capital: common questions
Which is larger by market value, DTE Energy or Pinnacle West Capital?
DTE Energy, at $27.45B against $13.06B for Pinnacle West Capital, on the latest closes (28 Oct 2026).
Which has the higher P/E ratio, DTE Energy or Pinnacle West Capital?
Pinnacle West Capital has the higher latest filed P/E, 21.6; DTE Energy's is 18.9. Filings: quarter to 30 Jun 2026.
How did DTE Energy and Pinnacle West Capital move over the past year against the S&P 500?
Over the past year DTE Energy returned −4.5% and Pinnacle West Capital +18.7%, while the S&P 500 returned +12.7%. Prices at close 28 Oct 2026.
What does the model expect for DTE Energy and Pinnacle West Capital over the next month?
−0.38% for DTE Energy with a 63% chance of a rise, and −0.24% for Pinnacle West Capital with a 69% chance, over the next 21 sessions. Model readings 28 Oct 2026. These are model readings, not advice.
How do the operating margins of DTE Energy and Pinnacle West Capital compare?
The operating margin is 14.1% for DTE Energy and 21% for Pinnacle West Capital, and the gross margin 14.1% against 21%. Filings: quarter to 30 Jun 2026.
Do DTE Energy and Pinnacle West Capital shares move together?
Over the past year the correlation of their daily returns was 0.81 (closely together); 1 means they always move together, 0 unrelated, −1 opposite. Prices at close 28 Oct 2026.
In the consoleCompare up to four companies with every model readingMembers see the 63-session chance of a rise and all four horizons, side by side in Research › Compare.
Model readings are research estimates, not investment advice. Prices: daily closes. Fundamentals: the latest SEC filings. Short interest: FINRA, settlement 30 Sep 2026. A dash means the figure is not in our data; it is never shown as zero. The model view follows a published rule: next month by the sign of the expected return, the long run positive at a fair value 10% or more above the price and negative at 10% or more below it.