Both stocks run through our valuation models. Here is how RIO (RIO) and Ecolab (ECL) compare, as of Aug 13, 2026.
As of Aug 13, 2026, Fair Value Calculator sees RIO as the less overvalued of the two: RIO trades at $101 versus a fair value of $83.82 (-17%), while Ecolab trades at $285 versus $104 (-63%).
RIO
RIO · USD · Materials
-17%
upside to fair value
overvalued
Price$101
Fair Value$83.82
Quality54/100
Ecolab
ECL · USD · Materials
-63%
upside to fair value
overvalued
Price$285
Fair Value$104
Quality62/100
Head-to-head numbers
Green value = the better side for that row (for valuation multiples: lower = cheaper).
RIOEcolab
Valuation
14.9×P/E (TTM)37.2×
2.56×P/S (TTM)4.69×
2.37×P/B7.90×
7.9×EV/EBITDA20.8×
5.69×PEG2.55×
4.5%Dividend yield1.0%
$4.02Dividend per share$2.76
Profitability
17%Net margin13%
25%Operating margin17%
16%Return on equity22%
8%Return on assets8%
Growth
15%Revenue growth (YoY)10%
1.3%Avg. growth/yr (3Y)4.3%
5.3%Avg. growth/yr (5Y)6.4%
Balance & size
0.34×Debt / equity0.75×
$147BMarket cap$77B
expensiveGrowth qualityhealthy
RIO leads: 9 to 5 metric wins.
Dash = not meaningfully computable, for example with negative equity.
Quality in detail
The quality score, broken down into the same factor families as on the stock page, 0 to 100 per family.
RIOof which business quality 54 · market factors 76Ecolabof which business quality 59 · market factors 57
ProfitabilityMargins and returns on capital today
47
57
Quality GrowthAre margins and returns improving?
31
34
CashflowEarnings quality: real cash, not paper profit
InvestmentDisciplined investing over empire-building
38
66
Low VolatilityCalm price path (market factor)
78
77
MomentumPrice trend over the last 3–12 months (market factor)
67
46
52W MomentumDistance to the 52-week high (market factor)
90
53
Net IssuanceBuybacks instead of dilution
79
85
What the models say
The median fair value (base case) per model family, each in the currency of its trading venue. Green = above the current price, red = below.
RIO
DCF Models$75.26
Earnings-Based$64.24
Dividend Discount$82.01
Multiples$135
Asset-Based$33.22
Growth DCF$56.42
Economic Profit$82.36
Growth Earnings$117
17 of 26 models see the stock below the current price.
Ecolab
DCF Models$103
Earnings-Based$65.02
Dividend Discount$46.86
Multiples$104
Asset-Based$23.26
Growth DCF$88.52
Economic Profit$76.77
Growth Earnings$118
26 of 26 models see the stock below the current price.
Scenario ranges
From our cautious bear case to the optimistic bull case. The white tick is the current price: left of fair value means room to run.
RIO
Bear $42.21Fair Value $83.82Bull $130
$101 = current price (white tick)
Ecolab
Bear $57.83Fair Value $104Bull $130
$285 = current price (white tick)
Compare two other stocks
Tap a field and type again, ticker or company name.
Free, no sign-up
Ranked within their sector
Where each stock sits within its sector peer group. Band = middle 50% of peers, tick = median, dot = this stock.
RIO · Materials
Quality score54 · above median
Fair value upside-17% · above median
Ecolab · Materials
Quality score62 · Top 25%
Fair value upside-63% · bottom 25%
Bottom line
As of Aug 13, 2026, Fair Value Calculator sees RIO as the less overvalued of the two: RIO trades at $101 versus a fair value of $83.82 (-17%), while Ecolab trades at $285 versus $104 (-63%).
Just your email for the monthly Top-25 report of the most undervalued quality stocks, with fair value, quality and price target. Plus 14 days of Pro to try, no card.
Free. You confirm by email (double opt-in) and can unsubscribe anytime in one click. Not financial advice.
A model-based valuation snapshot from 21 models. Values change with price and fundamentals; the date shown above applies.
