Rio Tinto Group (RIO) P/E Ratio History
Historical price-to-earnings valuation from 2014 to 2025
Loading P/E history...
RIO Valuation Context
How does the current P/E compare to historical and market benchmarks?
P/E Ratio Analysis
As of May 6, 2026, Rio Tinto Group (RIO) trades at a price-to-earnings ratio of 14.2x, with a stock price of $100.50 and trailing twelve-month earnings per share of $12.80.
The current P/E is 116% above its 5-year average of 6.6x. Over the past five years, RIO's P/E has ranged from a low of 2.1x to a high of 19.4x, placing the current valuation at the 90th percentile of its historical range.
Compared to the Basic Materials sector median P/E of 22.3x, RIO trades at a 36% discount to its sector peers. The sector includes 123 companies with P/E ratios ranging from 2.0x to 166.2x.
The PEG ratio of 1.85 (P/E divided by 15% EPS growth) suggests a fair valuation relative to its earnings growth. Peter Lynch popularized the rule that a PEG below 1.0 indicates an attractive entry point.
Relative to the broader market, RIO 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 RIO 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.
RIO P/E vs Peers
P/E ratio compared to closely matched public peers
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $201B | 22.3 | 7.93 | +14% | |
| $70B | 27.5 | - | -58% | |
| $83B | 38.0 | 1.27Best | +17% | |
| $16B | 14.2Lowest | - | +1486%Best | |
| $121B | 17.0 | 1.33 | +124% | |
| $141B | 32.6 | 1.56 | +24% | |
| $6B | 18.9 | - | +800% | |
| $421B | 48.0 | 1.71 | -15% | |
| $93B | 32.9 | 2.92 | -28% |
Peers sorted by market capitalization. P/E below peers may indicate undervaluation or lower growth expectations. Consider PEG ratio for growth-adjusted comparison.
RIO Historical P/E Data (2014–2025)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Date | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2025 Q2 | Mon Jun 30 2025 00:00:00 GM | $58.33 | $12.86 | 4.5x | -33% |
| FY2024 Q4 | $58.81 | $13.21 | 4.5x | -34% | |
| FY2024 Q2 | Sun Jun 30 2024 00:00:00 GM | $65.93 | $11.96 | 5.5x | -18% |
| FY2023 Q4 | Sun Dec 31 2023 00:00:00 GM | $74.46 | $13.87 | 5.4x | -20% |
| FY2023 Q2 | Fri Jun 30 2023 00:00:00 GM | $63.84 | $18.14 | 3.5x | -48% |
| FY2022 Q4 | Sat Dec 31 2022 00:00:00 GM | $71.20 | $25.45 | 2.8x | -58% |
| FY2022 Q2 | $61.00 | $28.58 | 2.1x | -68% | |
| FY2021 Q4 | Fri Dec 31 2021 00:00:00 GM | $66.94 | $25.15 | 2.7x | -60% |
| FY2021 Q2 | Wed Jun 30 2021 00:00:00 GM | $83.89 | $20.28 | 4.1x | -39% |
| FY2020 Q4 | $75.22 | $12.34 | 6.1x | -9% | |
| FY2020 Q2 | $56.18 | $12.36 | 4.5x | -32% | |
| FY2019 Q4 | $59.36 | $12.82 | 4.6x | -31% |
Average P/E for displayed period: 6.7x
Full RIO Stock Analysis
Analyst consensus, bull case, AI-generated risk factors, and peer comparison — all in one place.
Should I Buy RIO Right Now?
Bull case, key risks, Wall St analyst verdict, and what council investors are saying — updated daily.
See RIO's True Return
Price is only half the story. See total return with reinvested dividends.
Launch CalculatorIs RIO Undervalued?
DCF intrinsic value, peer multiples, and analyst estimates — see what the stock is really worth.
View ValuationCompare RIO vs LIN
Side-by-side business, growth, and profitability comparison vs Linde plc.
Start ComparisonRIO — Frequently Asked Questions
Quick answers to the most common questions about buying RIO stock.
Is RIO stock overvalued or undervalued?
RIO trades at 14.2x P/E, above its 5-year average of 6.6x. The 90th percentile ranking indicates a premium to historical valuation.
How does RIO's valuation compare to peers?
Rio Tinto Group P/E of 14.2x compares to sector median of 22.3x. The discount suggests lower growth expectations or higher risk.
What is RIO's PEG ratio?
RIO PEG ratio is 1.85. Between 1-2 suggests valuation aligns with growth. Historical P/E data spans 2014-2025.