ATI vs. PKX: ATI vs. POSCO Stock Comparison

November 11, 2026

How do ATI (ATI) and POSCO (PKX) 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

ATI (ATI) and POSCO (PKX) are both classified in the Steel sub-industry within the broader Metals & Mining industry, placing them in the closest GICS peer bucket.

ATI (ATI) trades as ordinary local shares, while POSCO (PKX) trades as an ADR — compare with FX exposure, depositary-program fees, and dividend-withholding-tax differences in mind.

Company profile comparison for ATI (ATI) and POSCO (PKX)
Profile Item	ATI	PKX
Name	ATI Inc.	POSCO Holdings Inc. American Depositary Receipt
Country/Region	United States	South Korea
GICS Sector	Materials	Materials
GICS Industry Group	Materials	Materials
GICS Industry	Metals & Mining	Metals & Mining
GICS Sub-Industry	Steel	Steel
Market Capitalization	23.88 billion USD	14.79 billion USD
Currency	USD	USD
Exchange	NYSE	NYSE
Listing Date	November 29, 1999	October 14, 1994
Security Type	Common Stock	ADR

Price Performance

Cumulative Growth

ATI

PKX

GSPC

ATI (ATI) vs. POSCO (PKX), 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 ATI (ATI) and POSCO (PKX). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for ATI (ATI) and POSCO (PKX). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for ATI (ATI) and POSCO (PKX)
Metric	ATI	PKX
Total Return (1Y)	93.55%	-4.84%
Total Return (3Y, Annualized)	64.24%	-15.65%
Total Return (5Y, Annualized)	60.89%	-1.81%

Risk Profile

Drawdown History

ATI

PKX

GSPC

ATI (ATI) vs. POSCO (PKX), 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 ATI (ATI) and POSCO (PKX). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for ATI (ATI) and POSCO (PKX)
Metric	ATI	PKX
Volatility (1Y, Annualized)	43.42%	46.00%
Beta (5Y)	1.03	1.71
Max Drawdown (5Y)	-38.02%	-68.71%
Avg. Volume (3M)	1.70M	216.95K

Risk-Adjusted Performance

Risk-Return Positioning

ATI and PKX 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 ATI (ATI) and POSCO (PKX)
Metric	ATI	PKX
Sharpe Ratio (1Y)	2.06	-0.20
Sortino Ratio (1Y)	3.23	-0.30

Profitability

ROE (TTM)

ATI (ATI) at 28.73% sits in the top ROE quartile, while POSCO (PKX) at 2.21% is closer to the peer norm — stronger capital efficiency for ATI.

ATI

Materials industry group

28.73%

Max: 52.88%
ATI: 28.73%
Q3: 19.49%
Median: 8.76%
Q1: -3.41%
Min: -32.81%

PKX

Materials industry group

2.21%

Max: 52.88%
Q3: 19.49%
Median: 8.76%
PKX: 2.21%
Q1: -3.41%
Min: -32.81%

ATI (ATI) vs. POSCO (PKX): A comparison of their ROE against the Materials industry group benchmark.

Net Margin (TTM)

Both ATI (ATI) at 11.08% and POSCO (PKX) at 1.89% keep about the typical share of revenue as profit for their industries — neither bottom line stands out from peers.

ATI

Materials industry group

11.08%

Max: 38.66%
Q3: 15.98%
ATI: 11.08%
Median: 5.28%
Q1: 0.00%
Min: -20.40%

PKX

Materials industry group

1.89%

Max: 38.66%
Q3: 15.98%
Median: 5.28%
PKX: 1.89%
Q1: 0.00%
Min: -20.40%

ATI (ATI) vs. POSCO (PKX): A comparison of their net margin against the Materials industry group benchmark.

Operating Margin (TTM)

Both ATI (ATI) at 19.86% and POSCO (PKX) at 4.26% run core operations about as efficiently as their industries’ norm — neither stands out on operating profitability.

ATI

Materials industry group

19.86%

Max: 66.70%
Q3: 28.92%
ATI: 19.86%
Median: 12.56%
Q1: 3.28%
Min: -14.07%

PKX

Materials industry group

4.26%

Max: 66.70%
Q3: 28.92%
Median: 12.56%
PKX: 4.26%
Q1: 3.28%
Min: -14.07%

ATI (ATI) vs. POSCO (PKX): A comparison of their operating margin against the Materials industry group benchmark.

Profitability Metrics

Profitability metrics for ATI (ATI) and POSCO (PKX)
Metric	ATI	PKX
ROE (TTM)	28.73%	2.21%
ROA (TTM)	10.41%	1.31%
Net Margin (TTM)	11.08%	1.89%
Operating Margin (TTM)	19.86%	4.26%
Gross Margin (TTM)	25.08%	7.87%

Growth

Revenue Growth

ATI (ATI) at 5.16% is around its peer norm for revenue growth, while POSCO (PKX) at -6.09% drops into the bottom quartile, signaling weaker demand or pricing momentum.

ATI (ATI) vs. POSCO (PKX): A comparison of their Revenue Growth across different time periods.

EPS Growth

Both ATI (ATI) at 11.76% and POSCO (PKX) at -29.00% land near their industries' usual EPS growth ranges, so bottom-line momentum looks broadly in line with peers on both sides.

ATI (ATI) vs. POSCO (PKX): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for ATI (ATI) and POSCO (PKX)
Metric	ATI	PKX
Revenue Growth (YoY)	5.16%	-6.09%
Revenue Growth (3Y CAGR)	6.14%	-6.72%
EPS Growth (YoY)	11.76%	-29.00%
EPS Growth (3Y CAGR)	43.72%	-39.42%

Financial Strength

Current Ratio (MRQ)

Both ATI (ATI) at 2.77 and POSCO (PKX) at 1.98 carry current ratio within their industries’ typical mid-ranges, suggesting balanced short-term liquidity relative to peers.

ATI

Materials industry group

2.77

Max: 5.96
Q3: 3.30
ATI: 2.77
Median: 2.24
Q1: 1.45
Min: 0.16

PKX

Materials industry group

1.98

Max: 5.96
Q3: 3.30
Median: 2.24
PKX: 1.98
Q1: 1.45
Min: 0.16

ATI (ATI) vs. POSCO (PKX): A comparison of their current ratio against the Materials industry group benchmark.

Debt / Equity (MRQ)

Both ATI (ATI) at 0.87 and POSCO (PKX) at 0.50 fund their balance sheets with roughly industry-typical debt-to-equity mixes.

ATI

Materials industry group

0.87

Max: 1.98
Q3: 0.89
ATI: 0.87
Median: 0.47
Q1: 0.13
Min: 0.00

PKX

Materials industry group

0.50

Max: 1.98
Q3: 0.89
PKX: 0.50
Median: 0.47
Q1: 0.13
Min: 0.00

ATI (ATI) vs. POSCO (PKX): A comparison of their debt-to-equity ratio against the Materials industry group benchmark.

Financial Strength Metrics

Financial strength metrics for ATI (ATI) and POSCO (PKX)
Metric	ATI	PKX
Current Ratio (MRQ)	2.77	1.98
Debt / Equity (MRQ)	0.87	0.50
Net Debt / EBITDA	1.36	2.81

Dividends

Dividend Yield (TTM)

ATI (ATI) pays no dividend (yield 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile POSCO (PKX) reports a yield of 18,518.52%, ranking against industry peers normally.

ATI

Materials industry group

0.00%

Max: 4.52%
Q3: 1.85%
Median: 0.38%
ATI: 0.00%
Q1: 0.00%
Min: 0.00%

PKX

Materials industry group

18,518.52%

PKX: 18,518.52%
Max: 4.52%
Q3: 1.85%
Median: 0.38%
Q1: 0.00%
Min: 0.00%

ATI (ATI) vs. POSCO (PKX): A comparison of their dividend yield against the Materials industry group benchmark.

Dividend Payout Ratio (TTM)

ATI (ATI) pays no dividend (payout 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile POSCO (PKX) reports a payout of 51.60%, ranking against industry peers normally.

ATI

Materials industry group

0.00%

Max: 83.62%
Q3: 41.37%
Median: 9.54%
ATI: 0.00%
Q1: 0.00%
Min: 0.00%

PKX

Materials industry group

51.60%

Max: 83.62%
PKX: 51.60%
Q3: 41.37%
Median: 9.54%
Q1: 0.00%
Min: 0.00%

ATI (ATI) vs. POSCO (PKX): A comparison of their payout ratio against the Materials industry group benchmark.

Dividend Metrics

Dividend metrics for ATI (ATI) and POSCO (PKX)
Metric	ATI	PKX
Dividend Yield (TTM)	0.00%	18,518.52%
Dividend Payout Ratio (TTM)	0.00%	51.60%

Valuation

P/E Ratio (TTM)

POSCO (PKX) at 15.57 is near its industry’s usual P/E ratio, while ATI (ATI) at 43.95 sits in the richer quartile — ATI needs stronger growth or earnings quality to justify the premium.

ATI

Materials industry group

43.95

Max: 59.00
ATI: 43.95
Q3: 32.93
Median: 18.82
Q1: 11.96
Min: 3.93

PKX

Materials industry group

15.57

Max: 59.00
Q3: 32.93
Median: 18.82
PKX: 15.57
Q1: 11.96
Min: 3.93

ATI (ATI) vs. POSCO (PKX): A comparison of their P/E ratio against the Materials industry group benchmark.

P/S Ratio (TTM)

POSCO (PKX) at 0.00 looks cheap on sales in the lower P/S ratio quartile, while ATI (ATI) at 4.76 looks rich in the upper quartile — a clear gap in price per dollar of revenue.

ATI

Materials industry group

4.76

Max: 9.62
ATI: 4.76
Q3: 4.34
Median: 1.87
Q1: 0.73
Min: 0.00

PKX

Materials industry group

0.00

Max: 9.62
Q3: 4.34
Median: 1.87
Q1: 0.73
PKX: 0.00
Min: 0.00

ATI (ATI) vs. POSCO (PKX): A comparison of their P/S ratio against the Materials industry group benchmark.

P/B Ratio (MRQ)

POSCO (PKX) at 1.36 sits near its industry’s typical P/B ratio, while ATI (ATI) at 11.91 prices above its benchmark range — ATI looks rich relative to book.

ATI

Materials industry group

11.91

ATI: 11.91
Max: 6.59
Q3: 3.55
Median: 2.08
Q1: 1.26
Min: -0.17

PKX

Materials industry group

1.36

Max: 6.59
Q3: 3.55
Median: 2.08
PKX: 1.36
Q1: 1.26
Min: -0.17

ATI (ATI) vs. POSCO (PKX): A comparison of their P/B ratio against the Materials industry group benchmark.

Valuation Metrics

Valuation metrics for ATI (ATI) and POSCO (PKX)
Metric	ATI	PKX
P/E Ratio (TTM)	43.95	15.57
P/S Ratio (TTM)	4.76	0.00
P/B Ratio (MRQ)	11.91	1.36
Free Cash Flow Yield (TTM)	1.01%	-23,410.34%