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PPG vs. RIO: PPG Industries vs. Rio Tinto Stock Comparison

How do PPG Industries (PPG) and Rio Tinto (RIO) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.

Company Profile

PPG Industries (PPG) and Rio Tinto (RIO) both fall under the Materials industry group, but PPG is classified in Chemicals while RIO is classified in Metals & Mining.

PPG Industries (PPG) trades as ordinary local shares, while Rio Tinto (RIO) trades as an ADR — compare with FX exposure, depositary-program fees, and dividend-withholding-tax differences in mind.

Company profile comparison for PPG Industries (PPG) and Rio Tinto (RIO)
Profile ItemPPGRIO
NamePPG Industries, Inc.Rio Tinto plc ADR
Country/RegionUnited StatesUnited Kingdom
GICS SectorMaterialsMaterials
GICS Industry GroupMaterialsMaterials
GICS IndustryChemicalsMetals & Mining
GICS Sub-IndustrySpecialty ChemicalsDiversified Metals & Mining
Market Capitalization27.03 billion USD136.19 billion USD
CurrencyUSDUSD
ExchangeNYSENYSE
Listing DateMarch 17, 1980June 28, 1990
Security TypeCommon StockADR

Price Performance

Cumulative Growth

PPG
RIO
GSPC
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PPG Industries (PPG) vs. Rio Tinto (RIO), with S&P 500 (GSPC) for reference: Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

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Trailing total returns for PPG Industries (PPG) and Rio Tinto (RIO). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for PPG Industries (PPG) and Rio Tinto (RIO). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for PPG Industries (PPG) and Rio Tinto (RIO)
MetricPPGRIO
Total Return (1Y)33.84%30.54%
Total Return (3Y, Annualized)1.70%16.90%
Total Return (5Y, Annualized)-2.93%14.68%

Risk Profile

Drawdown History

PPG
RIO
GSPC
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PPG Industries (PPG) vs. Rio Tinto (RIO), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

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Distribution of monthly total returns for PPG Industries (PPG) and Rio Tinto (RIO). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for PPG Industries (PPG) and Rio Tinto (RIO)
MetricPPGRIO
Volatility (1Y, Annualized)31.28%30.72%
Beta (5Y)0.970.63
Max Drawdown (5Y)-43.55%-35.25%
Avg. Volume (3M)1.73M2.35M

Risk-Adjusted Performance

Risk-Return Positioning

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PPG and RIO are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for PPG Industries (PPG) and Rio Tinto (RIO)
MetricPPGRIO
Sharpe Ratio (1Y)0.950.85
Sortino Ratio (1Y)1.451.26

Profitability

ROE (TTM)

Both PPG Industries (PPG) at 19.49% and Rio Tinto (RIO) at 19.31% land near their industries’ usual ROE ranges, so capital efficiency looks broadly in line with peers on both sides.

PPG

Materials industry group

19.49%

Max
52.88%
PPG
19.49%
Q3
19.49%
Median
8.76%
Q1
-3.41%
Min
-32.81%

RIO

Materials industry group

19.31%

Max
52.88%
Q3
19.49%
RIO
19.31%
Median
8.76%
Q1
-3.41%
Min
-32.81%
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PPG Industries (PPG) vs. Rio Tinto (RIO): A comparison of their ROE against the Materials industry group benchmark.

Net Margin (TTM)

Rio Tinto (RIO) at 19.59% retains a top-quartile share of revenue as profit, ahead of PPG Industries (PPG) at 9.41%, which keeps about the industry-typical share.

PPG

Materials industry group

9.41%

Max
38.66%
Q3
15.98%
PPG
9.41%
Median
5.28%
Q1
0.00%
Min
-20.40%

RIO

Materials industry group

19.59%

Max
38.66%
RIO
19.59%
Q3
15.98%
Median
5.28%
Q1
0.00%
Min
-20.40%
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PPG Industries (PPG) vs. Rio Tinto (RIO): A comparison of their net margin against the Materials industry group benchmark.

Operating Margin (TTM)

Both PPG Industries (PPG) at 14.66% and Rio Tinto (RIO) at 28.05% run core operations about as efficiently as their industries’ norm — neither stands out on operating profitability.

PPG

Materials industry group

14.66%

Max
66.70%
Q3
28.92%
PPG
14.66%
Median
12.56%
Q1
3.28%
Min
-14.07%

RIO

Materials industry group

28.05%

Max
66.70%
Q3
28.92%
RIO
28.05%
Median
12.56%
Q1
3.28%
Min
-14.07%
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PPG Industries (PPG) vs. Rio Tinto (RIO): A comparison of their operating margin against the Materials industry group benchmark.

Profitability Metrics

Profitability metrics for PPG Industries (PPG) and Rio Tinto (RIO)
MetricPPGRIO
ROE (TTM)19.49%19.31%
ROA (TTM)6.22%8.11%
Net Margin (TTM)9.41%19.59%
Operating Margin (TTM)14.66%28.05%
Gross Margin (TTM)41.18%29.75%

Growth

Revenue Growth

Both PPG Industries (PPG) at 0.19% and Rio Tinto (RIO) at 7.42% land near their industries' usual revenue growth ranges, so top-line momentum looks broadly in line with peers on both sides.

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PPG Industries (PPG) vs. Rio Tinto (RIO): A comparison of their Revenue Growth across different time periods.

EPS Growth

Both PPG Industries (PPG) at 46.11% and Rio Tinto (RIO) at -13.97% land near their industries' usual EPS growth ranges, so bottom-line momentum looks broadly in line with peers on both sides.

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PPG Industries (PPG) vs. Rio Tinto (RIO): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for PPG Industries (PPG) and Rio Tinto (RIO)
MetricPPGRIO
Revenue Growth (YoY)0.19%7.42%
Revenue Growth (3Y CAGR)0.55%1.24%
EPS Growth (YoY)46.11%-13.97%
EPS Growth (3Y CAGR)17.12%-7.23%

Financial Strength

Current Ratio (MRQ)

PPG Industries (PPG) at 1.58 keeps current ratio within its industry’s typical mid-range, while Rio Tinto (RIO) at 1.42 runs in the tighter-liquidity quartile — a thinner cushion against current liabilities for RIO.

PPG

Materials industry group

1.58

Max
5.96
Q3
3.30
Median
2.24
PPG
1.58
Q1
1.45
Min
0.16

RIO

Materials industry group

1.42

Max
5.96
Q3
3.30
Median
2.24
Q1
1.45
RIO
1.42
Min
0.16
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PPG Industries (PPG) vs. Rio Tinto (RIO): A comparison of their current ratio against the Materials industry group benchmark.

Debt / Equity (MRQ)

Both PPG Industries (PPG) at 0.87 and Rio Tinto (RIO) at 0.32 fund their balance sheets with roughly industry-typical debt-to-equity mixes.

PPG

Materials industry group

0.87

Max
1.98
Q3
0.89
PPG
0.87
Median
0.47
Q1
0.13
Min
0.00

RIO

Materials industry group

0.32

Max
1.98
Q3
0.89
Median
0.47
RIO
0.32
Q1
0.13
Min
0.00
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PPG Industries (PPG) vs. Rio Tinto (RIO): A comparison of their debt-to-equity ratio against the Materials industry group benchmark.

Financial Strength Metrics

Financial strength metrics for PPG Industries (PPG) and Rio Tinto (RIO)
MetricPPGRIO
Current Ratio (MRQ)1.581.42
Debt / Equity (MRQ)0.870.32
Net Debt / EBITDA2.110.58

Dividends

Dividend Yield (TTM)

PPG Industries (PPG) at 2.33% earns its spot in the top quartile of its industry’s yields; Rio Tinto (RIO) at 5.59% is past the top of its own peer range — territory where a dividend-safety check matters more than the headline number.

PPG

Materials industry group

2.33%

Max
4.52%
PPG
2.33%
Q3
1.85%
Median
0.38%
Q1
0.00%
Min
0.00%

RIO

Materials industry group

5.59%

RIO
5.59%
Max
4.52%
Q3
1.85%
Median
0.38%
Q1
0.00%
Min
0.00%
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PPG Industries (PPG) vs. Rio Tinto (RIO): A comparison of their dividend yield against the Materials industry group benchmark.

Dividend Payout Ratio (TTM)

PPG Industries (PPG) at 40.31% pays out a band-typical share of earnings, while Rio Tinto (RIO) at 54.46% distributes more than its industry norm — less retained, thinner cover.

PPG

Materials industry group

40.31%

Max
83.62%
Q3
41.37%
PPG
40.31%
Median
9.54%
Q1
0.00%
Min
0.00%

RIO

Materials industry group

54.46%

Max
83.62%
RIO
54.46%
Q3
41.37%
Median
9.54%
Q1
0.00%
Min
0.00%
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PPG Industries (PPG) vs. Rio Tinto (RIO): A comparison of their payout ratio against the Materials industry group benchmark.

Dividend Metrics

Dividend metrics for PPG Industries (PPG) and Rio Tinto (RIO)
MetricPPGRIO
Dividend Yield (TTM)2.33%5.59%
Dividend Payout Ratio (TTM)40.31%54.46%

Valuation

P/E Ratio (TTM)

Rio Tinto (RIO) at 11.35 sits in the cheaper P/E ratio quartile, while PPG Industries (PPG) at 17.19 is closer to its industry’s usual earnings multiple — a discount for RIO, though growth and earnings durability still matter.

PPG

Materials industry group

17.19

Max
59.00
Q3
32.93
Median
18.82
PPG
17.19
Q1
11.96
Min
3.93

RIO

Materials industry group

11.35

Max
59.00
Q3
32.93
Median
18.82
Q1
11.96
RIO
11.35
Min
3.93
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PPG Industries (PPG) vs. Rio Tinto (RIO): A comparison of their P/E ratio against the Materials industry group benchmark.

P/S Ratio (TTM)

On P/S ratio, both PPG Industries (PPG) at 1.62 and Rio Tinto (RIO) at 2.20 are priced roughly in line with their industries — neither looks cheap nor rich on a sales basis.

PPG

Materials industry group

1.62

Max
9.62
Q3
4.34
Median
1.87
PPG
1.62
Q1
0.73
Min
0.00

RIO

Materials industry group

2.20

Max
9.62
Q3
4.34
RIO
2.20
Median
1.87
Q1
0.73
Min
0.00
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PPG Industries (PPG) vs. Rio Tinto (RIO): A comparison of their P/S ratio against the Materials industry group benchmark.

P/B Ratio (MRQ)

On P/B ratio, both PPG Industries (PPG) at 3.19 and Rio Tinto (RIO) at 2.08 are valued close to their industries’ norm against book — neither stands out from peers.

PPG

Materials industry group

3.19

Max
6.59
Q3
3.55
PPG
3.19
Median
2.08
Q1
1.26
Min
-0.17

RIO

Materials industry group

2.08

Max
6.59
Q3
3.55
Median
2.08
RIO
2.08
Q1
1.26
Min
-0.17
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PPG Industries (PPG) vs. Rio Tinto (RIO): A comparison of their P/B ratio against the Materials industry group benchmark.

Valuation Metrics

Valuation metrics for PPG Industries (PPG) and Rio Tinto (RIO)
MetricPPGRIO
P/E Ratio (TTM)17.1911.35
P/S Ratio (TTM)1.622.20
P/B Ratio (MRQ)3.192.08
Free Cash Flow Yield (TTM)4.06%2.64%