WallStSmart
RIO

Rio Tinto ADR

NYSE: RIO · BASIC MATERIALS · OTHER INDUSTRIAL METALS & MINING

$100.48
+4.14% today

Updated 2026-04-30

Market cap
$161.98B
P/E ratio
16.36
P/S ratio
2.81x
EPS (TTM)
$6.09
Dividend yield
4.07%
52W range
$53 – $101
Volume
3.0M

Rio Tinto ADR (RIO) Stock Valuation Analysis

Fair value estimate, historical valuation range, and quality signals for RIO.

WallStSmart Verdict
Fairly
Valued

Valuation reasonably reflects current fundamentals. Limited margin of safety at these levels.

Smart Value Score: 54 / 100
P/E (TTM)
16.4x
vs 5Y median of 10.0x
PEG
5.69
Elevated vs growth
Margin of Safety
+14.08%
Fair value $114.19 vs $100.48
EV / EBITDA
7.7x

RIO historical valuation range

Where current P/E sits in RIO's own 5Y range.

NOW
5.2x
5Y Low
9.2x
25th
10.0x
Median
14.7x
75th
52.1x
5Y High
RIO is trading more expensive than 81% of the last 5Y.
81th percentile · Historically expensive

RIO intrinsic value (DCF)

DCF-based fair value estimate vs current market price.

Current price
$100.48
Market value
Intrinsic value
$114.19
DCF estimate
Margin of safety
+14.08%
+13.6% upside to fair value

Intrinsic value calculated using discounted cash flow (DCF) model based on projected free cash flows, discount rate, and terminal growth assumptions. A positive margin of safety indicates the current price is below estimated fair value, providing a cushion against estimation error.

RIO valuation signals

Quick-read green flags, caution flags, and risks based on current metrics.

PEG above 2.0
PEG of 5.69 suggests price is running ahead of growth rate. Caution warranted.
P/E near 5Y high
Current P/E sits in the 81th percentile of its 5Y range. Historically expensive relative to its own history.
!
Near fair value
+14.08% margin of safety. Price is close to DCF estimate.
Weak financial quality
Piotroski F-Score of 0/9 suggests deteriorating fundamentals. Valuation requires closer scrutiny.

P/E Ratio — History

Current: 16.36x

P/S Ratio — History

Current: 2.81x

Is RIO overvalued in 2026?

Rio Tinto ADR (RIO) currently trades at $100.48 per share with a market capitalization of $161,982,054,000.00. Based on our multi-factor framework, the stock trades at a fair valuation with a Smart Value Score of 54/100. This score blends growth quality, financial health, and price attractiveness into a single institutional-grade read.

The stock trades at a P/E ratio of 16.4x, above its 5-year median of 10.0x. The PEG ratio of 5.69 indicates the price has run ahead of the underlying growth rate.

Looking at its own history, RIO is currently trading more expensive than 81% of the last 5Y on P/E. This places it in the 81th percentile of its historical range, a zone where forward returns have typically been muted.

Our discounted cash flow model estimates RIO's intrinsic value at $114.19 per share, against the current market price of $100.48. This implies a margin of safety of +14.08%. The stock is priced close to its estimated fair value, offering limited upside without further operational improvement.

Financial quality is a concern. The Piotroski F-Score of 0/9 flags weakening fundamentals that deserve closer scrutiny before the valuation case can be fully trusted.

Bottom line: RIO trades at a fair valuation on our framework, with a Smart Value Score of 54/100. The valuation is defensible but offers no obvious bargain. Patience or a better entry price may reward disciplined buyers.

Frequently asked questions

Is RIO overvalued in 2026?

Based on a Smart Value Score of 54/100, RIO is fairly valued. Price reasonably reflects current fundamentals with limited cushion in either direction.

What is RIO's fair value?

Our DCF model estimates RIO's intrinsic value at $114.19 per share, versus the current price of $100.48. This produces a margin of safety of +14.08%.

What P/E ratio does RIO trade at?

RIO trades at a P/E of 16.4x on trailing twelve-month earnings, compared to its 5-year median of 10.0x.

Is RIO a buy based on valuation?

WallStSmart does not issue buy or sell recommendations. Our Smart Value Score of 54/100 reflects the combined read on growth, quality, and price. The profile is balanced. Best suited for investors with an existing thesis.

How does RIO's valuation compare to its history?

On P/E, RIO currently sits in the 81th percentile of its own 5Y range. That is historically expensive relative to where it has traded over the period.

What is RIO's Smart Value Score?

RIO's Smart Value Score is 54/100. The Smart Value Score is a proprietary WallStSmart metric blending growth quality, financial health, and valuation attractiveness into a single 0-100 read. Scores above 75 are rare and indicate strong multi-factor alignment.