Rio Tinto plc (RIO) Valuation
Historical valuation analysis based on 1279 data points (2021-09-14 to 2026-10-16)
Rio Tinto is a global diversified miner. Iron ore is its major commodity, with lesser contributions from copper and aluminum. Lithium, diamonds, gold, and industrial minerals are more minor contrib...
Rio Tinto plc (RIO) currently trades at a P/E ratio of 14.74 (historical range: 3.95–18.42, median: 8.80), placing it at the 91th percentile — expensive relative to its history, P/S ratio of 2.55 (range: 1.31–3.18, 91th percentile — expensive relative to its history), EV/EBITDA of 11.04 (range: 2.95–13.56, 91th percentile).
Over the historical period (2021-09-14 to 2026-10-16), Rio Tinto plc's P/E ratio has expanded by 56% over the observed period (from an average of 7.1 to 11.1).
Rio Tinto plc trades well above its own historical valuation range across most metrics.
Historical Valuation Metrics
| Metric | Current | Median | %ile | Assessment |
|---|---|---|---|---|
| P/E Ratio | 14.74 | 8.80 | 91th | expensive relative to its history |
| P/S Ratio | 2.55 | 1.91 | 91th | expensive relative to its history |
| EV/EBITDA | 11.04 | 7.18 | 91th | expensive relative to its history |
| FCF Yield | 3.77% | 5.90% | 10th | expensive relative to its history |
Rio Tinto plc (RIO) Valuation & P/E History
Rio Tinto plc (RIO) is a US-listed stock operating in the Basic Materials sector currently trading at $90.00 with a market capitalization of $146.4 billion. This page provides historical valuation analysis for RIO based on 1279 data points covering 2021-09-14 to 2026-10-16. The P/E ratio of 14.74 is above the historical median of 8.80, placing RIO at the 91th percentile of its valuation range. The P/S ratio of 2.55 compares to a median of 1.91.
RIO Valuation Metrics & Historical Range
The valuation table above shows Rio Tinto plc'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 RIO 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 RIO 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 Rio Tinto plc.
- FCF yield: Free cash flow yield shows the cash return relative to market price. Higher yields may indicate undervaluation.
Is RIO Overvalued or Undervalued?
Rio Tinto plc trades well above its own historical valuation range across most metrics. The overall valuation percentile of 91 combines P/E, P/S, and EV/EBITDA percentiles into a single measure of how expensive RIO 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 RIO analysis page for a complete picture.
Valuation data is computed from historical price and fundamental data via Polygon.io and Finnhub.RIO trades on NYSE/NASDAQ. This page is for informational purposes only and is not financial advice.

