Pinnacle West Capital Corporation (PNW) P/E Ratio History
Historical price-to-earnings valuation from 1994 to 2026
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PNW Valuation Context
How does the current P/E compare to historical and market benchmarks?
P/E Ratio Analysis
As of May 8, 2026, Pinnacle West Capital Corporation (PNW) trades at a price-to-earnings ratio of 19.7x, with a stock price of $99.53 and trailing twelve-month earnings per share of $5.28.
The current P/E is 17% above its 5-year average of 16.8x. Over the past five years, PNW's P/E has ranged from a low of 12.9x to a high of 22.8x, placing the current valuation at the 95th percentile of its historical range.
Compared to the Utilities sector median P/E of 19.5x, PNW is roughly in line with its sector peers. The sector includes 108 companies with P/E ratios ranging from 0.1x to 174.1x.
Relative to the broader market, PNW trades at a notable discount to the S&P 500 median P/E of 25.1x. Investors should consider the company's growth prospects, competitive position, and earnings quality when evaluating whether the current valuation is justified.
For a comprehensive intrinsic value estimate using discounted cash flow analysis, see our PNW DCF Valuation Calculator →
Note: P/E ratio is just one valuation metric. It does not account for balance sheet strength, cash flow quality, or growth sustainability. Always conduct comprehensive due diligence before making investment decisions.
PNW P/E vs Peers
P/E ratio compared to closely matched public peers
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $30B | 20.3 | 2.30 | +21% | |
| $37B | 23.3 | 4.70 | +0% | |
| $19B | 22.6 | 3.70 | -3% | |
| $4B | 24.6 | - | -19% | |
| $8B | 24.3 | 5.17 | +7% | |
| $6B | 17.6 | 1.78 | -8% | |
| $3B | 17.2 | 3.74 | +4% | |
| $10B | 11.3Lowest | 0.14Best | -47% | |
| $30B | 35.3 | 2.50 | -20% | |
| $51B | 28.7 | 11.30 | +60%Best |
Peers sorted by market capitalization. P/E below peers may indicate undervaluation or lower growth expectations. Consider PEG ratio for growth-adjusted comparison.
PNW Historical P/E Data (1994–2026)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Date | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2026 Q1 | $100.75 | $5.36 | 18.8x | +10% | |
| FY2025 Q4 | Wed Dec 31 2025 00:00:00 GM | $88.70 | $5.05 | 17.6x | +2% |
| FY2025 Q3 | $89.66 | $4.87 | 18.4x | +7% | |
| FY2025 Q2 | Mon Jun 30 2025 00:00:00 GM | $89.47 | $4.85 | 18.4x | +8% |
| FY2025 Q1 | Mon Mar 31 2025 00:00:00 GM | $95.25 | $5.03 | 18.9x | +10% |
| FY2024 Q4 | $84.77 | $5.22 | 16.2x | -5% | |
| FY2024 Q3 | Mon Sep 30 2024 00:00:00 GM | $88.59 | $5.28 | 16.8x | -2% |
| FY2024 Q2 | Sun Jun 30 2024 00:00:00 GM | $76.38 | $5.41 | 14.1x | -18% |
| FY2024 Q1 | Sun Mar 31 2024 00:00:00 GM | $74.73 | $4.59 | 16.3x | -5% |
| FY2023 Q4 | Sun Dec 31 2023 00:00:00 GM | $71.84 | $4.41 | 16.3x | -5% |
| FY2023 Q3 | Sat Sep 30 2023 00:00:00 GM | $73.68 | $4.20 | 17.5x | +2% |
| FY2023 Q2 | Fri Jun 30 2023 00:00:00 GM | $81.46 | $3.58 | 22.8x | +33% |
Average P/E for displayed period: 17.1x
Full PNW Stock Analysis
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Start ComparisonPNW — Frequently Asked Questions
Quick answers to the most common questions about buying PNW stock.
Is PNW stock overvalued or undervalued?
PNW trades at 19.7x P/E, near its 5-year average of 16.8x. The 95th percentile ranking places valuation within normal historical bounds.
How does PNW's valuation compare to peers?
Pinnacle West Capital Corporation P/E of 19.7x compares to sector median of 19.5x. The premium reflects expected growth above peers.
What is PNW's PEG ratio?
PNW PEG ratio is N/A. Above 2.0 indicates premium valuation relative to growth rate. Historical P/E data spans 1994-2026.