Rio Tinto Group (RIO) P/E Ratio History
ExpensiveTrading at 14.2x vs 5Y avg 6.6x · 90th percentile · Material premium to history · Data 2014–2025
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P/E Ratio Analysis
As of June 21, 2026, Rio Tinto Group (RIO) trades at a price-to-earnings ratio of 14.2x, with a stock price of $100.08 and trailing twelve-month earnings per share of $12.80.
The current P/E is 115% 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 23.6x, RIO trades at a 40% discount to its sector peers. The sector includes 123 companies with P/E ratios ranging from 1.0x to 182.8x.
The PEG ratio of 1.84 (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 24.4x. 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 Cross-Benchmark Valuation
How does the current P/E compare to sector peers and the broader market?
RIO P/E vs Peers
Diversified Mining and Metals Producers peers sorted by market cap
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $223B | 24.7 | 8.80 | +14% | |
| $67B | 26.6 | - | -58% | |
| $99B | 45.2 | 1.51 | +17% | |
| $15B | 13.4Lowest | - | +1486%Best | |
| $115B | 16.2 | 1.26Best | +124% | |
| $159B | 36.8 | 1.76 | +24% | |
| $5B | 123.1 | - | -87% | |
| $459B | 52.4 | 1.86 | -15% | |
| $99B | 35.0 | 3.10 | -28% |
Lower P/E can signal a discount or weaker growth expectations; PEG adds growth context.
RIO Historical P/E Data (2014–2025)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Period End | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2025 Q2 | Jun 30 2025 | $58.33 | $12.86 | 4.5x | -33% |
| FY2024 Q4 | - | $58.81 | $13.21 | 4.5x | -34% |
| FY2024 Q2 | Jun 30 2024 | $65.93 | $11.96 | 5.5x | -18% |
| FY2023 Q4 | Dec 31 2023 | $74.46 | $13.87 | 5.4x | -20% |
| FY2023 Q2 | Jun 30 2023 | $63.84 | $18.14 | 3.5x | -48% |
| FY2022 Q4 | Dec 31 2022 | $71.20 | $25.45 | 2.8x | -58% |
| FY2022 Q2 | - | $61.00 | $28.58 | 2.1x | -68% |
| FY2021 Q4 | Dec 31 2021 | $66.94 | $25.15 | 2.7x | -60% |
| FY2021 Q2 | Jun 30 2021 | $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% |
| FY2019 Q2 | Jun 30 2019 | $62.34 | $13.47 | 4.6x | -31% |
| FY2018 Q4 | Dec 31 2018 | $48.48 | $12.79 | 3.8x | -44% |
| FY2018 Q2 | Jun 30 2018 | $55.48 | $8.98 | 6.2x | -8% |
| FY2017 Q4 | Dec 31 2017 | $52.93 | $7.43 | 7.1x | +6% |
| FY2017 Q2 | May 31 2017 | $40.31 | $3.46 | 11.7x | +73% |
| FY2016 Q4 | Dec 31 2016 | $38.46 | $2.07 | 18.6x | +176% |
| FY2016 Q2 | - | $31.30 | $1.61 | 19.4x | +189% |
| FY2015 Q4 | - | $29.12 | $3.03 | 9.6x | +43% |
| FY2015 Q2 | - | $41.21 | $5.00 | 8.2x | +22% |
| FY2014 Q4 | Dec 31 2014 | $46.06 | $5.49 | 8.4x | +25% |
Average P/E for displayed period: 6.7x
Full Stock Analysis
Deep dive into RIO consensus models and risk factors.
Should I Buy RIO?
Wall Street verdict, signals, and target summaries.
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
12+ years return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
RIO — Frequently Asked Questions
Quick answers to the most common questions about buying RIO stock.
What is RIO's P/E ratio?
Rio Tinto Group (RIO) trailing twelve-month P/E ratio is 14.2x, based on TTM diluted EPS of $12.80. The 5-year average P/E is 6.6x and the historical range spans 2.1x to 19.4x.
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 within the 2.1x–19.4x historical range indicates a premium to historical valuation.
Is RIO stock expensive?
Yes, RIO is expensive relative to its own history. The current P/E of 14.2x is above the 5-year average of 6.6x. The stock sits at the 90th percentile of its 5-year valuation range.
What is RIO's historical P/E range?
Over the past 5 years, RIO's P/E ratio has ranged from 2.1x to 19.4x, with a median of 4.6x and an average of 6.6x. The current P/E of 14.2x places the stock at the 90th percentile of this range. Full historical data spans 2014–2025.
How does RIO's P/E compare to the S&P 500?
RIO trades at 14.2x P/E versus the S&P 500 median of 24.4x. The 42% discount to the market suggests lower growth expectations or perceived higher risk.
How does RIO's valuation compare to Basic Materials peers?
Rio Tinto Group P/E of 14.2x compares to the Basic Materials sector median of 23.6x. The discount suggests lower growth expectations, weaker margins, or higher perceived risk relative to peers. See the peer comparison table on this page for ticker-by-ticker P/E and PEG.
What is RIO's PEG ratio?
RIO PEG ratio is 1.84, based on a P/E of 14.2x and EPS growth of 14.8%. A PEG between 1 and 2 suggests valuation aligns with growth expectations — typically considered fair.
What is RIO's earnings yield?
RIO earnings yield is 7.06%, the inverse of its 14.2x P/E ratio. Earnings yield represents the percentage of each dollar invested that the company earns. It can be compared directly to bond yields to assess relative attractiveness of stocks versus fixed income.