IONR vs SLI vs SGML Stock Comparison

Ioneer, Standard Lithium and Sigma Lithium Prices as of Oct 27, 2026 Peers: Industry group
IONR ioneer Ltd
$2.73 -17.5% 1M -44.2% 1Y
Market cap
$164.44M
P/E
–
Revenue (TTM)
—
Div. yield
–
Lithium Basic Materials
SLI Standard Lithium Ltd.
$1.52 -17.8% 1M -61.2% 1Y
Market cap
$307.56M
P/E
–
Revenue (TTM)
$6.02M
Div. yield
–
Lithium Basic Materials
3 wins
SGML Sigma Lithium Corp
$8.45 -11.8% 1M +50.4% 1Y
Market cap
$922.79M
P/E
–
Revenue (TTM)
$142.49M
Div. yield
–
Lithium Basic Materials
4 wins

Head to Head

7 decided of 12

Sigma Lithium leads on 4 of the 12 questions below (Sigma Lithium 4, Standard Lithium 3). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionIONRSLISGMLLeader
Larger companyMarket capitalisation $164.44M $307.56M $922.79M SGML
Cheaper on earningsLower P/E, profitable companies only — -6.5x -33.5x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS — — 27.3x –
Faster revenue growthRevenue growth, trailing twelve months — +575.1% +7.3% SLI
More profitableNet margin, trailing twelve months — -791.4% -19.3% SGML
Better return on capitalReturn on invested capital — — 0.0% –
Less leveragedLower net debt / EBITDA — — 7.6x –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -44.2% -61.2% +50.4% SGML
Better 5-year returnAnnualised price return, 5 years — -34.2%/yr -0.2%/yr SGML
Less volatileAnnualised volatility, 1 year 79.3% 67.5% 111.9% SLI
Higher overall scoreMean of the five percentile scores vs peers — 59/100 42/100 SLI

Percentile Scorecard

IONRSLISGML

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

AxisIONRSLISGML
Valuation – 34 #107 of 162 40 #98 of 162
Growth – 67 #49 of 147 77 #34 of 147
Profitability – 17 #102 of 122 46 #66 of 122
Financial Health 98 #4 of 164 80 #34 of 164 6 #154 of 164
Shareholder Returns – 96 #5 of 107 –
Overall – 59 42
  • IONR ranked among 176 companies in Metals and Mining
  • SLI ranked among 176 companies in Metals and Mining
  • SGML 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

PeriodIONRSLISGMLSPY
1 month -17.5%-17.8%-11.8% -0.2%
3 months -13.6%-24.8%-11.0% +3.9%
6 months -30.5%-59.2%-59.0% +8.2%
Year to date -43.1%-66.0%-35.9% +12.9%
1 year -44.2%-61.2%+50.4% +12.3%
3 years -27.0%-44.5%-69.5% +87.4%
3 years, per year -10.0%-17.8%-32.7% +23.3%
5 years —-87.6%-1.1% +67.9%
5 years, per year —-34.2%-0.2% +10.9%

Risk

MeasureIONRSLISGMLSPY
Volatility, 1Y 79.3%67.5%111.9% 12.7%
Downside volatility, 1Y 76.7%72.7%98.8% 12.7%
Beta vs S&P 500, 1Y 1.442.182.17 1.00
Return / volatility, 1Y -0.56-0.910.45 0.97
Max drawdown, 5Y -87.8%-91.5%-89.9% -25.4%
From 52-week high -57.3%-73.1%-64.3% -1.2%
52-week high $6.39$5.65$23.65 $779.14
52-week low $2.55$1.38$4.68 $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.

MultipleIONRSLISGML
P/E now vs peer median —median 13.3x -6.6xmedian 13.3x -34.1xmedian 13.3x
P/S now vs peer median —median 3.2x 60.5xmedian 3.2x 6.6xmedian 3.2x
EV/EBITDA now vs peer median —median 7.3x —median 7.3x 41.4xmedian 7.3x
P/FCF now vs peer median —median 14.7x -24.9xmedian 14.7x 38.7xmedian 14.7x
P/B now vs peer median 0.7xmedian 2.2x 1.0xmedian 2.2x 11.4xmedian 2.2x
PEG now vs peer median —median 0.31 —median 0.31 -0.83median 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 monthsIONRSLISGML
Revenue – $6.02M $142.49M
Gross profit – – $70.02M
Operating income – -$22.81M $10.66M
Net income – -$47.66M -$27.56M
Free cash flow – -$14.63M $24.30M
EPS (diluted) – $-0.23 $-0.25
Cash & equivalents $58.84M $137.30M $16.66M
Total debt – – $226.73M
Shares (diluted) 60.35M 206.37M 111.31M
Enterprise value $30.05M -$362.44M $889.95M

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
MetricIONRSLISGML
P/E – -6.6x -34.1x
P/FCF – -24.9x 38.7x
P/Operating cash flow – -24.9x 24.9x
P/S – 60.5x 6.6x
P/B 0.7x 1.0x 11.4x
P/Tangible book 0.7x 1.0x 11.4x
EV/EBITDA – – 41.4x
EV/EBIT – -7.7x 108.0x
EV/Revenue – 29.1x 8.1x
EV/FCF – -12.0x 47.4x
EV/Operating cash flow – -12.0x 30.5x
PEG (3Y EPS CAGR) – – -0.83

Growth

14 metrics
MetricIONRSLISGML
Revenue growth (1Y) – 575.1% 7.3%
Revenue CAGR (3Y) – – –
Gross profit growth (1Y) – – 130.5%
Gross profit CAGR (3Y) – – –
Operating income growth (1Y) – -363.9% 40.5%
Operating income CAGR (3Y) – – –
Net income growth (1Y) – 69.6% 42.1%
Net income CAGR (3Y) – – 39.5%
EPS growth (1Y) – 72.6% 42.6%
EPS CAGR (3Y) – – 41.0%
Operating cash flow growth (1Y) – 12.4% 148.2%
Operating cash flow CAGR (3Y) – – 41.2%
Free cash flow growth (1Y) – 32.6% 14,876%
Free cash flow CAGR (3Y) – – 30.3%

Profitability

14 metrics
MetricIONRSLISGML
Gross margin – – 49.1%
EBITDA margin – – 19.5%
Operating margin – -378.8% 7.5%
Pretax margin – -867.8% -6.9%
Net margin – -791.4% -19.3%
FCF margin – -242.9% 17.1%
Operating cash flow margin – -242.6% 26.5%
Return on equity – -13.0% -17.5%
Return on assets – -12.1% -3.4%
Return on invested capital – – 0.0%
Return on capital employed – -5.9% 7.9%
Asset turnover – 0.0x 0.4x
Cash conversion (OCF / net income) – 0.3x -1.4x
Stock comp / revenue – 104.0% 7.8%

Financial Health

11 metrics
MetricIONRSLISGML
Debt / assets – – 47.4%
Debt / equity – – 2.8x
Net debt / EBITDA – – 7.6x
Debt / FCF – – 9.3x
Liabilities / assets 0.9% 7.1% 82.8%
Equity / assets 99.1% 92.9% 17.2%
Interest coverage – -950.4x –
Current ratio 25.8x 17.9x 0.3x
Quick ratio 25.8x 23.6x 0.2x
Cash ratio 25.6x 23.3x 0.1x
Altman Z-score – 7.68 0.57

Shareholder Returns

7 metrics
MetricIONRSLISGML
Dividend yield – – –
Net buyback yield – 3.8% –
Shareholder yield – 3.8% –
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.

ConsensusIONRSLISGML
Forward P/E – – 27.3xFY2026
EPS, next fiscal year $0.00FY2026 – $0.31FY2026
EPS growth, the year after – – +419.4%
Revenue, next fiscal year $717.29KFY2026 – $174.11MFY2026
Revenue growth, next FY +9.8%FY2026 – +58.3%FY2026
Revenue growth, the year after -100.0% – +144.1%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersIONRSLISGML
Held by institutions 3.9% 31.0% 33.1%
Institutions holding 34 137 119
Change in shares held, QoQ -10.1% +2.1% +9.7%
Institutions buying 20 60 65
Institutions selling 5 33 40
Buyers to sellers 4.00 1.82 1.63

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.

IONRSLISGML
IONR 1.00 0.25 0.33
SLI 0.25 1.00 0.48
SGML 0.33 0.48 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, IONR, SLI and SGML?

Sigma Lithium (SGML) is the largest by market capitalisation: Ioneer (IONR) $164.44M, Standard Lithium (SLI) $307.56M, Sigma Lithium (SGML) $922.79M.

Which company is growing faster?

Standard Lithium (SLI) grew revenue fastest over the trailing twelve months: Standard Lithium (SLI) +575.1%, Sigma Lithium (SGML) +7.3%.

Which company is more profitable?

Sigma Lithium (SGML) has the highest net margin (Standard Lithium (SLI) -791.4%, Sigma Lithium (SGML) -19.3%).

Which stock has performed better?

Over the past year Sigma Lithium (SGML) returned the most: Ioneer (IONR) -44.2%, Standard Lithium (SLI) -61.2%, Sigma Lithium (SGML) +50.4%. Over five years, Sigma Lithium (SGML) compounded fastest (Standard Lithium (SLI) -34.2%/yr, Sigma Lithium (SGML) -0.2%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Standard Lithium (SLI) has been the steadiest (Ioneer (IONR) 79.3%, Standard Lithium (SLI) 67.5%, Sigma Lithium (SGML) 111.9%). Volatility measures how widely the price swings, not the risk of the business.

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

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Sigma Lithium (SGML) 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.