Price History
Feb 9, 2026 — Apr 4, 2026Investment Snapshot
- Trading 16% below Graham Number — thin margin of safety
- Piotroski F-Score 3/9 — signs of financial weakness
- ROE of 15.3% — good return on equity
- Revenue growing at 7% annually
Rio Tinto plc (RIO) is a Basic Materials company operating in Metal Mining, listed on the NYSE , with a market capitalisation of $104.4 billion . Key value metrics: P/E ratio 10.2, P/B ratio 1.56, Piotroski F-Score 3 out of 9 .
Value Score
Key Metrics
Rio Tinto plc — Fundamental Analysis Summary
Rio Tinto plc (RIO) is trading 16% below its Graham Number of $98.98, offering a thin margin of safety. The stock carries a low trailing P/E ratio of 10.2x.
On financial health, RIO shows a weak Piotroski F-Score of 3/9, a signal of deteriorating financial health, and solid return on equity of 15.3% (sector average: -1.2%), and manageable leverage with a debt-to-equity ratio of 0.33.
StockPik's composite Value Score for RIO is 70/100 — placing it in undervalued territory. The score is built from ten fundamental signals: P/E, P/B, PEG ratio, P/S ratio, return on equity, gross margin, debt-to-equity, current ratio, dividend yield, and Piotroski F-Score.
RIO shows revenue growing at 7% year-over-year, with earnings declining at 11%.