IONR vs SLI vs RTNTF Stock Comparison

Ioneer, Standard Lithium and Rio Tinto Prices as of Oct 27, 2026 Peers: Industry group
IONR ioneer Ltd
$2.73 -17.5% 1M -44.2% 1Y
Market cap
$182.54M
P/E
–
Revenue (TTM)
—
Div. yield
–
Lithium Basic Materials
SLI Standard Lithium Ltd.
$1.52 -17.8% 1M -61.2% 1Y
Market cap
$364.35M
P/E
–
Revenue (TTM)
$6.02M
Div. yield
–
Lithium Basic Materials
RTNTF Rio Tinto Ltd
$102.86 -15.1% 1M +21.0% 1Y
Market cap
$167.04B
P/E
–
Revenue (TTM)
—
Div. yield
–
Iron Ore Basic Materials
4 wins

Head to Head

4 decided of 12

Rio Tinto leads on 4 of the 12 questions below (Rio Tinto 4). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionIONRSLIRTNTFLeader
Larger companyMarket capitalisation $182.54M $364.35M $167.04B RTNTF
Cheaper on earningsLower P/E, profitable companies only — -6.6x — –
Cheaper on forward earningsLower price / next fiscal year consensus EPS — — 12.4x –
Faster revenue growthRevenue growth, trailing twelve months — +575.1% — –
More profitableNet margin, trailing twelve months — -791.4% — –
Better return on capitalReturn on invested capital — — — –
Less leveragedLower net debt / EBITDA — — — –
Higher dividend yieldTrailing dividend yield — — 0.00% –
Better 1-year returnPrice return, last 12 months -44.2% -61.2% +21.0% RTNTF
Better 5-year returnAnnualised price return, 5 years — -34.2%/yr +8.0%/yr RTNTF
Less volatileAnnualised volatility, 1 year 79.3% 67.5% 45.4% RTNTF
Higher overall scoreMean of the five percentile scores vs peers — 59/100 — –

Percentile Scorecard

IONRSLIRTNTF

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

AxisIONRSLIRTNTF
Valuation – 34 #107 of 162 –
Growth – 67 #49 of 147 –
Profitability – 17 #102 of 122 –
Financial Health 98 #4 of 164 80 #34 of 164 27 #120 of 164
Shareholder Returns – 96 #5 of 107 –
Overall – 59 –
  • IONR ranked among 176 companies in Metals and Mining
  • SLI ranked among 176 companies in Metals and Mining
  • RTNTF 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

PeriodIONRSLIRTNTFSPY
1 month -17.5%-17.8%-15.1% -0.2%
3 months -13.6%-24.8%-4.1% +3.9%
6 months -30.5%-59.2%-20.4% +8.2%
Year to date -43.1%-66.0%+4.0% +12.9%
1 year -44.2%-61.2%+21.0% +12.3%
3 years -27.0%-44.5%+40.5% +87.4%
3 years, per year -10.0%-17.8%+12.0% +23.3%
5 years —-87.6%+46.9% +67.9%
5 years, per year —-34.2%+8.0% +10.9%
10 years ——+157.0% +261.1%
10 years, per year ——+9.9% +13.7%

Risk

MeasureIONRSLIRTNTFSPY
Volatility, 1Y 79.3%67.5%45.4% 12.7%
Downside volatility, 1Y 76.7%72.7%66.0% 12.7%
Beta vs S&P 500, 1Y 1.442.180.89 1.00
Return / volatility, 1Y -0.56-0.910.46 0.97
Max drawdown, 5Y -87.8%-91.5%-41.4% -25.4%
From 52-week high -57.3%-73.1%-22.9% -1.2%
52-week high $6.39$5.65$133.44 $779.14
52-week low $2.55$1.38$81.39 $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.

MultipleIONRSLIRTNTF
P/E now vs peer median —median 13.3x -6.6xmedian 13.3x —median 13.3x
P/S now vs peer median —median 3.2x 60.5xmedian 3.2x —median 3.2x
EV/EBITDA now vs peer median —median 7.3x —median 7.3x —median 7.3x
P/FCF now vs peer median —median 14.7x -24.9xmedian 14.7x —median 14.7x
P/B now vs peer median 0.7xmedian 2.2x 1.0xmedian 2.2x 2.3xmedian 2.2x
PEG now vs peer median —median 0.31 —median 0.31 —median 0.31

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 monthsIONRSLIRTNTF
Revenue – $6.02M –
Operating income – -$22.81M –
Net income – -$47.66M –
Free cash flow – -$14.63M –
EPS (diluted) – $-0.23 –
Cash & equivalents $58.84M $137.30M $8.91B
Total debt – – $78.67B
Shares (diluted) 60.35M 206.37M 1.64B
Enterprise value $48.15M -$305.65M $136.08B

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
MetricIONRSLIRTNTF
P/E – -6.6x –
P/FCF – -24.9x –
P/Operating cash flow – -24.9x –
P/S – 60.5x –
P/B 0.7x 1.0x 2.3x
P/Tangible book 0.7x 1.0x 2.5x
EV/EBITDA – – –
EV/EBIT – -7.7x –
EV/Revenue – 29.1x –
EV/FCF – -12.0x –
EV/Operating cash flow – -12.0x –
PEG (3Y EPS CAGR) – – –

Growth

14 metrics
MetricIONRSLIRTNTF
Revenue growth (1Y) – 575.1% –
Revenue CAGR (3Y) – – –
Gross profit growth (1Y) – – –
Gross profit CAGR (3Y) – – –
Operating income growth (1Y) – -363.9% –
Operating income CAGR (3Y) – – –
Net income growth (1Y) – 69.6% –
Net income CAGR (3Y) – – –
EPS growth (1Y) – 72.6% –
EPS CAGR (3Y) – – –
Operating cash flow growth (1Y) – 12.4% –
Operating cash flow CAGR (3Y) – – –
Free cash flow growth (1Y) – 32.6% –
Free cash flow CAGR (3Y) – – –

Profitability

14 metrics
MetricIONRSLIRTNTF
Gross margin – – –
EBITDA margin – – –
Operating margin – -378.8% –
Pretax margin – -867.8% –
Net margin – -791.4% –
FCF margin – -242.9% –
Operating cash flow margin – -242.6% –
Return on equity – -13.0% –
Return on assets – -12.1% –
Return on invested capital – – –
Return on capital employed – -5.9% –
Asset turnover – 0.0x –
Cash conversion (OCF / net income) – 0.3x –
Stock comp / revenue – 104.0% –

Financial Health

11 metrics
MetricIONRSLIRTNTF
Debt / assets – – 16.3%
Debt / equity – – 0.3x
Net debt / EBITDA – – –
Debt / FCF – – –
Liabilities / assets 0.9% 7.1% 46.3%
Equity / assets 99.1% 92.9% 53.7%
Interest coverage – -950.4x –
Current ratio 25.8x 17.9x 1.4x
Quick ratio 25.8x 23.6x 0.9x
Cash ratio 25.6x 23.3x 0.6x
Altman Z-score – 7.68 –

Shareholder Returns

7 metrics
MetricIONRSLIRTNTF
Dividend yield – – –
Net buyback yield – 3.8% –
Shareholder yield – 3.8% 0.0%
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.

ConsensusIONRSLIRTNTF
Forward P/E – – 12.4xFY2026
EPS, next fiscal year $0.00FY2026 – $8.30FY2026
EPS growth, next FY – – +24.1%FY2026
EPS growth, the year after – – -3.6%
Revenue, next fiscal year $717.29KFY2026 – $66.01BFY2026
Revenue growth, next FY +9.8%FY2026 – +14.5%FY2026
Revenue growth, the year after -100.0% – -4.1%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersIONRSLIRTNTF
Held by institutions 3.9% 31.0% –
Institutions holding 34 137 –
Change in shares held, QoQ -10.1% +2.1% –
Institutions buying 20 60 –
Institutions selling 5 33 –
Buyers to sellers 4.00 1.82 –

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.

IONRSLIRTNTF
IONR 1.00 0.25 0.12
SLI 0.25 1.00 0.19
RTNTF 0.12 0.19 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, IONR, SLI and RTNTF?

Rio Tinto (RTNTF) is the largest by market capitalisation: Ioneer (IONR) $182.54M, Standard Lithium (SLI) $364.35M, Rio Tinto (RTNTF) $167.04B.

Which stock has performed better?

Over the past year Rio Tinto (RTNTF) returned the most: Ioneer (IONR) -44.2%, Standard Lithium (SLI) -61.2%, Rio Tinto (RTNTF) +21.0%. Over five years, Rio Tinto (RTNTF) compounded fastest (Standard Lithium (SLI) -34.2%/yr, Rio Tinto (RTNTF) +8.0%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Rio Tinto (RTNTF) has been the steadiest (Ioneer (IONR) 79.3%, Standard Lithium (SLI) 67.5%, Rio Tinto (RTNTF) 45.4%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, IONR, SLI and RTNTF?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Rio Tinto (RTNTF) leads on 4. 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.