IONR vs PKX Stock Comparison

Ioneer and Posco Holdings Prices as of Oct 26, 2026 Peers: Industry group
IONR ioneer Ltd
$2.70 -18.4% 1M -48.0% 1Y
Market cap
$159.14M
P/E
–
Revenue (TTM)
—
Div. yield
–
Lithium Basic Materials
PKX Posco Holdings Inc.
$50.63 -11.0% 1M -9.6% 1Y
Market cap
$3.92B
P/E
4.1x
Revenue (TTM)
$37.16B
Div. yield
–
Steel Basic Materials
3 wins

Head to Head

3 decided of 12

Posco Holdings leads on 3 of the 12 questions below (Posco Holdings 3). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionIONRPKXLeader
Larger companyMarket capitalisation $159.14M $3.92B PKX
Cheaper on earningsLower P/E, profitable companies only — 4.1x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS — 10.3x –
Faster revenue growthRevenue growth, trailing twelve months — -27.8% –
More profitableNet margin, trailing twelve months — 2.5% –
Better return on capitalReturn on invested capital — 3.0% –
Less leveragedLower net debt / EBITDA — — –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -48.0% -9.6% PKX
Better 5-year returnAnnualised price return, 5 years — -4.8%/yr –
Less volatileAnnualised volatility, 1 year 79.5% 45.0% PKX
Higher overall scoreMean of the five percentile scores vs peers — 68/100 –

Percentile Scorecard

IONRPKX

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisIONRPKX
Valuation – 87 #22 of 162
Growth – 39 #90 of 147
Profitability – 50 #61 of 122
Financial Health 98 #4 of 165 79 #36 of 165
Shareholder Returns – 86 #16 of 107
Overall – 68
  • IONR ranked among 176 companies in Metals and Mining
  • PKX ranked among 176 companies in Metals and Mining

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodIONRPKXSPY
1 month -18.4%-11.0% -0.8%
3 months -16.1%-4.7% +3.5%
6 months -34.3%-28.7% +7.0%
Year to date -43.7%-4.8% +12.2%
1 year -48.0%-9.6% +13.0%
3 years -27.8%-35.1% +86.3%
3 years, per year -10.3%-13.4% +23.1%
5 years —-21.7% +68.6%
5 years, per year —-4.8% +11.0%
10 years —-5.7% +258.0%
10 years, per year —-0.6% +13.6%

Risk

MeasureIONRPKXSPY
Volatility, 1Y 79.5%45.0% 12.7%
Downside volatility, 1Y 76.7%43.1% 12.7%
Beta vs S&P 500, 1Y 1.441.41 1.00
Return / volatility, 1Y -0.60-0.21 1.02
Max drawdown, 5Y -87.8%-69.8% -25.4%
From 52-week high -57.7%-44.8% -1.8%
52-week high $6.39$91.72 $779.14
52-week low $2.55$48.69 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleIONRPKX
P/E now vs peer median —median 12.8x 4.0xmedian 12.8x
P/S now vs peer median —median 3.1x 0.1xmedian 3.1x
EV/EBITDA now vs peer median —median 7.0x —median 7.0x
P/FCF now vs peer median —median 15.2x -0.9xmedian 15.2x
P/B now vs peer median 0.7xmedian 2.1x 0.1xmedian 2.1x
PEG now vs peer median —median 0.29 -15.71median 0.29

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsIONRPKX
Revenue – $37.16B
Gross profit – $3.86B
Operating income – $1.39B
Net income – $1.47B
Free cash flow – -$4.45B
EPS (diluted) – $12.52
Cash & equivalents $58.84M –
Total debt – $749.60M
Shares (diluted) 60.35M 75.62M
Enterprise value $24.74M $3.92B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricIONRPKX
P/E – 4.0x
P/FCF – -0.9x
P/Operating cash flow – –
P/S – 0.1x
P/B 0.7x 0.1x
P/Tangible book 0.7x 0.1x
EV/EBITDA – –
EV/EBIT – 3.3x
EV/Revenue – 0.1x
EV/FCF – -1.0x
EV/Operating cash flow – –
PEG (3Y EPS CAGR) – -15.71

Growth

14 metrics
MetricIONRPKX
Revenue growth (1Y) – -27.8%
Revenue CAGR (3Y) – -15.1%
Gross profit growth (1Y) – 0.1%
Gross profit CAGR (3Y) – -2.3%
Operating income growth (1Y) – 49.9%
Operating income CAGR (3Y) – -38.2%
Net income growth (1Y) – 297.8%
Net income CAGR (3Y) – 7.9%
EPS growth (1Y) – 163.2%
EPS CAGR (3Y) – -0.3%
Operating cash flow growth (1Y) – –
Operating cash flow CAGR (3Y) – –
Free cash flow growth (1Y) – 27.9%
Free cash flow CAGR (3Y) – -34.8%

Profitability

14 metrics
MetricIONRPKX
Gross margin – 10.4%
EBITDA margin – –
Operating margin – 3.7%
Pretax margin – 3.5%
Net margin – 2.5%
FCF margin – -12.0%
Operating cash flow margin – –
Return on equity – 3.4%
Return on assets – 3.1%
Return on invested capital – 3.0%
Return on capital employed – 4.1%
Asset turnover – 1.1x
Cash conversion (OCF / net income) – –
Stock comp / revenue – –

Financial Health

11 metrics
MetricIONRPKX
Debt / assets – 2.2%
Debt / equity – 0.0x
Net debt / EBITDA – –
Debt / FCF – -0.2x
Liabilities / assets 0.9% 7.7%
Equity / assets 99.1% 92.3%
Interest coverage – 0.5x
Current ratio 25.8x –
Quick ratio 25.8x –
Cash ratio 25.6x –
Altman Z-score – –

Shareholder Returns

7 metrics
MetricIONRPKX
Dividend yield – 3.0%
Net buyback yield – –
Shareholder yield – 3.0%
Payout ratio (earnings) – –
Payout ratio (FCF) – –
Dividend growth (1Y) – –
Dividend CAGR (3Y) – –

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusIONRPKX
Forward P/E – 10.3xFY2026
EPS, next fiscal year $0.00FY2026 $4.90FY2026
EPS growth, next FY – +245.1%FY2026
EPS growth, the year after – +14.7%
Revenue, next fiscal year $717.29KFY2026 $52.03BFY2026
Revenue growth, next FY +9.8%FY2026 +7.4%FY2026
Revenue growth, the year after -100.0% +3.5%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersIONRPKX
Held by institutions 3.9% 17.7%
Institutions holding 34 181
Change in shares held, QoQ -10.1% +38.2%
Institutions buying 20 131
Institutions selling 5 30
Buyers to sellers 4.00 4.37

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

IONRPKX
IONR 1.00 0.08
PKX 0.08 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, IONR and PKX?

Posco Holdings (PKX) is the largest by market capitalisation: Ioneer (IONR) $159.14M, Posco Holdings (PKX) $3.92B.

Which stock has performed better?

Over the past year Posco Holdings (PKX) returned the most: Ioneer (IONR) -48.0%, Posco Holdings (PKX) -9.6%. Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Posco Holdings (PKX) has been the steadiest (Ioneer (IONR) 79.5%, Posco Holdings (PKX) 45.0%). Volatility measures how widely the price swings, not the risk of the business.

Do IONR and PKX move together?

Their daily returns over the past year have a correlation of 0.08, a weak relationship. Holding both diversifies more than two closely linked stocks would.

Which is the better stock, IONR and PKX?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Posco Holdings (PKX) leads on 3. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.