SLI vs SLDP vs IONR Stock Comparison

Standard Lithium, Solid Power and Ioneer Prices as of Oct 29, 2026 Peers: Industry group
SLI Standard Lithium Ltd.
$1.46 -18.4% 1M -61.6% 1Y
Market cap
$349.97M
P/E
–
Revenue (TTM)
$6.02M
Div. yield
–
Lithium Basic Materials
3 wins
SLDP Solid Power, Inc.
$2.03 -10.6% 1M -63.2% 1Y
Market cap
$461.25M
P/E
–
Revenue (TTM)
$11.53M
Div. yield
–
Lithium Basic Materials
3 wins
IONR ioneer Ltd
$2.82 -10.5% 1M -41.5% 1Y
Market cap
$188.56M
P/E
–
Revenue (TTM)
—
Div. yield
–
Lithium Basic Materials
1 win

Head to Head

7 decided of 12

Solid Power leads on 3 of the 12 questions below (Solid Power 3, Standard Lithium 3, Ioneer 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionSLISLDPIONRLeader
Larger companyMarket capitalisation $349.97M $461.25M $188.56M SLDP
Cheaper on earningsLower P/E, profitable companies only -6.3x -5.1x — –
Cheaper on forward earningsLower price / next fiscal year consensus EPS — — — –
Faster revenue growthRevenue growth, trailing twelve months +575.1% -49.1% — SLI
More profitableNet margin, trailing twelve months -791.4% -778.5% — SLDP
Better return on capitalReturn on invested capital — — — –
Less leveragedLower net debt / EBITDA — — — –
Higher dividend yieldTrailing dividend yield — — — –
Better 1-year returnPrice return, last 12 months -61.6% -63.2% -41.5% IONR
Better 5-year returnAnnualised price return, 5 years -33.7%/yr -30.2%/yr — SLDP
Less volatileAnnualised volatility, 1 year 67.5% 81.8% 79.3% SLI
Higher overall scoreMean of the five percentile scores vs peers 60/100 30/100 — SLI

Percentile Scorecard

SLISLDPIONR

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

AxisSLISLDPIONR
Valuation 35 #106 of 163 17 #136 of 163 –
Growth 67 #49 of 148 27 #109 of 148 –
Profitability 19 #100 of 123 14 #106 of 123 –
Financial Health 80 #33 of 164 83 #29 of 164 98 #4 of 164
Shareholder Returns 96 #5 of 108 9 #98 of 108 –
Overall 60 30 –
  • SLI ranked among 176 companies in Metals and Mining
  • SLDP ranked among 176 companies in Metals and Mining
  • IONR 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

PeriodSLISLDPIONRSPY
1 month -18.4%-10.6%-10.5% +0.7%
3 months -28.4%-1.9%-15.3% +3.7%
6 months -62.2%-41.2%-26.4% +7.1%
Year to date -67.3%-52.2%-41.3% +12.8%
1 year -61.6%-63.2%-41.5% +11.9%
3 years -45.9%+63.7%-26.8% +85.2%
3 years, per year -18.5%+17.9%-9.9% +22.8%
5 years -87.2%-83.4%— +67.6%
5 years, per year -33.7%-30.2%— +10.9%

Risk

MeasureSLISLDPIONRSPY
Volatility, 1Y 67.5%81.8%79.3% 12.7%
Downside volatility, 1Y 72.8%79.7%76.8% 12.6%
Beta vs S&P 500, 1Y 2.193.031.45 1.00
Return / volatility, 1Y -0.91-0.77-0.52 0.94
Max drawdown, 5Y -91.5%-93.5%-87.8% -25.4%
From 52-week high -74.2%-76.1%-55.9% -1.2%
52-week high $5.65$8.51$6.39 $779.14
52-week low $1.38$1.95$2.55 $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.

MultipleSLISLDPIONR
P/E now vs peer median -6.3xmedian 13.2x -5.1xmedian 13.2x —median 13.2x
P/S now vs peer median 58.1xmedian 3.1x 40.0xmedian 3.1x —median 3.1x
EV/EBITDA now vs peer median —median 7.2x -2.5xmedian 7.2x —median 7.2x
P/FCF now vs peer median -23.9xmedian 15.2x -6.3xmedian 15.2x —median 15.2x
P/B now vs peer median 0.9xmedian 2.2x 0.9xmedian 2.2x 0.7xmedian 2.2x
PEG now vs peer median —median 0.30 —median 0.30 —median 0.30

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 monthsSLISLDPIONR
Revenue $6.02M $11.53M –
Gross profit – -$3.63M –
Operating income -$22.81M -$107.57M –
Net income -$47.66M -$89.77M –
Free cash flow -$14.63M -$72.93M –
R&D – $72.26M –
EPS (diluted) $-0.23 $-0.40 –
Cash & equivalents $137.30M $24.28M $58.84M
Shares (diluted) 206.37M 225.97M 60.35M
Enterprise value -$320.03M -$538.59M $54.17M

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
MetricSLISLDPIONR
P/E -6.3x -5.1x –
P/FCF -23.9x -6.3x –
P/Operating cash flow -24.0x -7.7x –
P/S 58.1x 40.0x –
P/B 0.9x 0.9x 0.7x
P/Tangible book 1.0x 0.9x 0.7x
EV/EBITDA – -2.5x –
EV/EBIT -7.1x -2.0x –
EV/Revenue 26.7x 19.0x –
EV/FCF -11.0x -3.0x –
EV/Operating cash flow -11.0x -3.7x –
PEG (3Y EPS CAGR) – – –

Growth

14 metrics
MetricSLISLDPIONR
Revenue growth (1Y) 575.1% -49.1% –
Revenue CAGR (3Y) – -9.8% –
Gross profit growth (1Y) – -480.9% –
Gross profit CAGR (3Y) – -21.2% –
Operating income growth (1Y) -363.9% -4.9% –
Operating income CAGR (3Y) – -12.0% –
Net income growth (1Y) 69.6% 4.0% –
Net income CAGR (3Y) – -26.6% –
EPS growth (1Y) 72.6% 23.4% –
EPS CAGR (3Y) – – –
Operating cash flow growth (1Y) 12.4% 7.2% –
Operating cash flow CAGR (3Y) – -8.2% –
Free cash flow growth (1Y) 32.6% 5.3% –
Free cash flow CAGR (3Y) – 8.7% –

Profitability

14 metrics
MetricSLISLDPIONR
Gross margin – -31.4% –
EBITDA margin – -770.0% –
Operating margin -378.8% -932.8% –
Pretax margin -867.8% -773.8% –
Net margin -791.4% -778.5% –
FCF margin -242.9% -632.4% –
Operating cash flow margin -242.6% -518.8% –
Return on equity -13.0% -17.4% –
Return on assets -12.1% -16.5% –
Return on invested capital – – –
Return on capital employed -5.9% -20.5% –
Asset turnover 0.0x 0.0x –
Cash conversion (OCF / net income) 0.3x 0.7x –
Stock comp / revenue 104.0% 94.0% –

Financial Health

11 metrics
MetricSLISLDPIONR
Debt / assets – – –
Debt / equity – – –
Net debt / EBITDA – – –
Debt / FCF – – –
Liabilities / assets 7.1% 4.8% 0.9%
Equity / assets 92.9% 95.2% 99.1%
Interest coverage -950.4x -498.0x –
Current ratio 17.9x 14.6x 25.8x
Quick ratio 23.6x 14.3x 25.8x
Cash ratio 23.3x 14.1x 25.6x
Altman Z-score 7.37 9.98 –

Shareholder Returns

7 metrics
MetricSLISLDPIONR
Dividend yield – – –
Net buyback yield 3.9% -28.3% –
Shareholder yield 3.9% -28.3% –
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.

ConsensusSLISLDPIONR
EPS, next fiscal year – $-0.38FY2026 $0.00FY2026
Revenue, next fiscal year – $5.25MFY2026 $717.29KFY2026
Revenue growth, next FY – -70.7%FY2026 +9.8%FY2026
Revenue growth, the year after – +29.9% -100.0%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersSLISLDPIONR
Held by institutions 31.0% 35.5% 3.9%
Institutions holding 138 193 34
Change in shares held, QoQ +2.1% -14.0% -10.1%
Institutions buying 60 114 20
Institutions selling 33 34 5
Buyers to sellers 1.82 3.35 4.00

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.

SLISLDPIONR
SLI 1.00 0.35 0.25
SLDP 0.35 1.00 0.26
IONR 0.25 0.26 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, SLI, SLDP and IONR?

Solid Power (SLDP) is the largest by market capitalisation: Standard Lithium (SLI) $349.97M, Solid Power (SLDP) $461.25M, Ioneer (IONR) $188.56M.

Which company is growing faster?

Standard Lithium (SLI) grew revenue fastest over the trailing twelve months: Standard Lithium (SLI) +575.1%, Solid Power (SLDP) -49.1%.

Which company is more profitable?

Solid Power (SLDP) has the highest net margin (Standard Lithium (SLI) -791.4%, Solid Power (SLDP) -778.5%).

Which stock has performed better?

Over the past year Ioneer (IONR) returned the most: Standard Lithium (SLI) -61.6%, Solid Power (SLDP) -63.2%, Ioneer (IONR) -41.5%. Over five years, Solid Power (SLDP) compounded fastest (Standard Lithium (SLI) -33.7%/yr, Solid Power (SLDP) -30.2%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Standard Lithium (SLI) has been the steadiest (Standard Lithium (SLI) 67.5%, Solid Power (SLDP) 81.8%, Ioneer (IONR) 79.3%). Volatility measures how widely the price swings, not the risk of the business.

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

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