Pinnacle West Capital Corp (PNW): analysis and signal as of September 2, 2026
In short
The analysis assigns Pinnacle West Capital a weak signal, with a score of -7.0 and a vote of 3/3. This finding is explained mainly by a valuation above the sector median, a decline in earnings per share, and high sensitivity to long-term US rates.
- Current signal
- weak (vote 3/3)
- Deterministic score
- -7.0 → signal expected by the scale : no signal (September 10, 2026)
- Layers
- fundamentals : neutral, price : neutral, risks : –
Triggered rules
| Rule | Weight |
|---|---|
| penalizes a high bankruptcy risk (Altman Z-Score in distress zone, < 1,8) | -3.0 |
| penalizes an asset whose net debt/EBITDA exceeds the threshold, and the use of leverage (margin/lombard) | -2.5 |
| penalizes a PEG above 2, the anticipated growth is overpaid (overvalued fast grower) | -1.5 |
| penalizes direct holding of US securities in a CTO (US estate tax at death), favors a UCITS ETF domiciled in IE | -1.0 |
| moderately favors an asset with robust operating profitability (RMW factor), cross-check with accounting quality (possible manipulation) | +0.5 |
| moderately favors a positive 12-1 month momentum (tailwind), BUT guardrail: costly rotation, long-term reversal, momentum crashes, a conviction signal, not a rotation trigger | +0.5 |
Thesis
Pinnacle West Capital combines a defensive regulated utility profile with a valuation above the sector median, along with earnings per share down over one year and high sensitivity to long-term US rates. Off-session flows are holding up the stock, but on-session flows have been giving ground for six months. This configuration suggests a defensive yield-carry basket rather than an upward dynamic. Confirmation of the rate case with the ACC and the trajectory of rates are the next determinants of the case.
Bull case
Electricity demand in Arizona benefits from the development of data centers around Phoenix, in the wake of the electrification and artificial intelligence theme. The rate decision issued by the ACC in 2024 is favorable to the utility. The dividend yield, close to 4 %, provides recurring income in a yield-carry regime.
Bear case
The net debt to EBITDA ratio is high and trailing twelve-month earnings per share fell by -9,49 % over one year despite an increase in revenue, due to margin compression. The forward PER of 16-17 x shows a premium to the sector median and the payout ratio is around 70 %. A restrictive Fed stance under Warsh and negative on-session flows for six months round out these points of vigilance.
Scenarios
The bullish scenario, with a probability below 25 %, assumes a rate increase approved by the ACC and an accommodating pivot confirmed by the BCE on 10/09. The central scenario, with a probability below 50 %, describes a move around the 200-session moving average with dividend carry. The bearish scenario, with a probability below 25 %, contemplates a maximum decline of -15 % if this average breaks and earnings per share forecasts are revised.
Risks
The thesis would be invalidated by a break of the 200-session moving average, to be confirmed during the session. The main risks concern the high financial leverage, margin compression despite revenue growth, and sensitivity to long-term rates in a context of restrictive monetary policy under Warsh. An unfavorable outcome of the ACC rate case would weaken the earnings per share trajectory.
Market positioning (short sellers)
- Short interest / shares outstanding
- 6.84 %
- Days to cover
- 7.26
- Settlement date
- 2026-08-14
- Source
- FINRA (disseminated on 2026-08-26)
Upcoming catalysts
| Date | Description |
|---|---|
| Publication attendue des résultats du troisième trimestre 2026 |
Signal history (last 12 months)
| Date | Signal | New fact |
|---|---|---|
| weak (3/3) | No change since the last analysis. | |
| weak (single draw, outside the three-draw protocol) | unchanged |
Frequently asked questions
What signal does the analysis assign to Pinnacle West Capital?
The signal is weak, with a score of -7.0 and a vote of 3/3. The analysis highlights a valuation above the sector median, earnings per share down -9,49 % over one year, and high sensitivity to long-term US rates. On-session flows have been giving ground for six months, which weighs on the stock's momentum despite the support from off-session flows.
What elements support the stock's case?
Electricity demand in Arizona is driven by data centers in the Phoenix area, in the wake of the electrification and artificial intelligence theme. The ACC rate decision of 2024 is judged favorable for the company. The dividend yield, close to 4 %, brings recurring income in a carry regime.
Which weaknesses weigh on the valuation?
The net debt to EBITDA ratio is high. Earnings per share fell -9,49 % over one year despite an increase in revenue, reflecting margin compression. The forward PER of 16-17 x exceeds the sector median and the payout ratio is around 70 %. A restrictive Fed stance under Warsh would weigh on the valuation, and on-session flows have remained on a downward path for six months.
What would invalidate the thesis?
The thesis would be called into question by a break of the 200-session moving average, a move that would signal a deterioration in the underlying trend. A downward revision of earnings per share forecasts would be a second invalidating factor. An unfavorable ACC rate decision or a rise in long-term US rates would also weaken the case.
How are the contemplated scenarios distributed?
Three scenarios are contemplated. The bullish scenario, with a probability below 25 %, assumes a rate increase approved by the ACC and an accommodating pivot confirmed by the BCE on 10/09. The central scenario, below 50 %, describes a move around the 200-session moving average with dividend carry. The bearish one, below 25 %, contemplates a maximum decline of -15 % after a break of this average and a revision of expected earnings.
Sources
The official filings below are the issuer's own, matched to this stock by its identifier (LEI, CIK or ISIN). The figures quoted above come from an automated arbitration: they have not been re-checked one by one.
- — 7.01 Regulation FD Disclosure; 9.01 Financial Statements and Exhibits (SEC · 8-K)
- — 9.01 Financial Statements and Exhibits (SEC · 8-K)
- — 7.01 Regulation FD Disclosure; 9.01 Financial Statements and Exhibits (SEC · 8-K)
- — 2.02 Results of Operations and Financial Condition; 7.01 Regulation FD Disclosure; 9.01 Financial Statements and Exhibits (SEC · 8-K)
Automated AI analysis: limitations and transparency
- This content is an automated analysis produced using artificial intelligence. Personal analysis for information purposes — no personalised investment advice. MMR content consists of general research. It does not take account of your financial circumstances, objectives or risk tolerance. Data, analyses and results, including those produced using artificial intelligence, may contain errors, be incomplete or become outdated. No return or outcome is guaranteed. All investments carry a risk of partial or total loss of capital. Past performance and simulations do not predict future results. Before making any decision, check information against original sources and, where necessary, consult an authorised professional. You remain responsible for your investment decisions. This notice does not exclude or limit any liability that cannot legally be excluded or limited.
- Tool and analysis: QDNA, Aurélien Ambert.
- Analysis (arbitration) completed on September 2, 2026; this page was completed on September 3, 2026 at 23:18 (UTC).
- Interests: no position in the stock analysed (PNW) is recorded in the data consulted on (UTC). This does not confirm the absence of holdings or other interests. The situation at the analysis publication date has not been reconstructed.
- This declaration covers only recorded positions in this stock; it is not an exhaustive verification of other interests or remuneration.
- Methodology: analysis chain, score formula and scale described on the public methodology page.
- Analysis horizon: 2035.
See also
- Neighbouring stock in the same sector: Emeis (EMEIS.PA)
- All analysed stocks
- Public methodology