Pinnacle West Capital Corporation (PNW) Valuation
Historical valuation analysis based on 1279 data points (2021-09-14 to 2026-10-16)
Pinnacle West is a holding company whose principal subsidiary is Arizona Public Service, a vertically integrated electric utility serving approximately 1.4 million customers across a 35,000-square-...
Pinnacle West Capital Corporation (PNW) currently trades at a P/E ratio of 19.58 (historical range: 10.95–23.93, median: 17.34), placing it at the 87th percentile — expensive relative to its history, P/S ratio of 2.26 (range: 1.60–2.45, 87th percentile — expensive relative to its history), EV/EBITDA of 25.47 (range: 17.22–27.87, 92th percentile).
Over the historical period (2021-09-14 to 2026-10-16), Pinnacle West Capital Corporation's P/E ratio has expanded by 11% over the observed period (from an average of 16.3 to 18.0).
Pinnacle West Capital Corporation trades well above its own historical valuation range across most metrics.
Historical Valuation Metrics
| Metric | Current | Median | %ile | Assessment |
|---|---|---|---|---|
| P/E Ratio | 19.58 | 17.34 | 87th | expensive relative to its history |
| P/S Ratio | 2.26 | 2.06 | 87th | expensive relative to its history |
| EV/EBITDA | 25.47 | 20.28 | 92th | expensive relative to its history |
Pinnacle West Capital Corporation (PNW) Valuation & P/E History
Pinnacle West Capital Corporation (PNW) is a US-listed stock operating in the Utilities sector, specifically the Electric Services industry currently trading at $103.42 with a market capitalization of $12.5 billion. This page provides historical valuation analysis for PNW based on 1279 data points covering 2021-09-14 to 2026-10-16. The P/E ratio of 19.58 is above the historical median of 17.34, placing PNW at the 87th percentile of its valuation range. The P/S ratio of 2.26 compares to a median of 2.06.
PNW Valuation Metrics & Historical Range
The valuation table above shows Pinnacle West Capital Corporation's current and historical valuation multiples, including P/E ratio, P/S ratio, EV/EBITDA, FCF yield, and dividend yield. Each metric is compared to its own historical range to determine whether PNW is currently trading above or below its typical valuation levels.
- P/E ratio: Price-to-earnings measures how much investors pay per dollar of earnings. A P/E above the historical median suggests PNW is expensively valued; below the median suggests it is cheap.
- P/S ratio: Price-to-sales is useful for companies with volatile or negative earnings. Lower P/S relative to history may indicate value.
- EV/EBITDA: Enterprise value to EBITDA adjusts for debt and cash, providing a capital-structure-neutral valuation measure for Pinnacle West Capital Corporation.
- FCF yield: Free cash flow yield shows the cash return relative to market price. Higher yields may indicate undervaluation.
Is PNW Overvalued or Undervalued?
Pinnacle West Capital Corporation trades well above its own historical valuation range across most metrics. The overall valuation percentile of 89 combines P/E, P/S, and EV/EBITDA percentiles into a single measure of how expensive PNW is relative to its own history. A percentile below 25 suggests the stock may be undervalued, while a percentile above 75 suggests it may be overvalued.
However, valuation is only one factor in investment decisions. A stock can remain "overvalued" for years if growth accelerates, or "undervalued" if the business deteriorates. Always combine valuation analysis with financial statement analysis and the full PNW analysis page for a complete picture.
Valuation data is computed from historical price and fundamental data via Polygon.io and Finnhub.PNW trades on NYSE/NASDAQ. This page is for informational purposes only and is not financial advice.