SLI vs IONR vs SLDP Stock Comparison

Standard Lithium, Ioneer and Solid Power 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
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
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

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.

QuestionSLIIONRSLDPLeader
Larger companyMarket capitalisation $349.97M $188.56M $461.25M 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% -41.5% -63.2% IONR
Better 5-year returnAnnualised price return, 5 years -33.7%/yr — -30.2%/yr SLDP
Less volatileAnnualised volatility, 1 year 67.5% 79.3% 81.8% SLI
Higher overall scoreMean of the five percentile scores vs peers 60/100 — 30/100 SLI

Percentile Scorecard

SLIIONRSLDP

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

AxisSLIIONRSLDP
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 98 #4 of 164 83 #29 of 164
Shareholder Returns 96 #5 of 108 – 9 #98 of 108
Overall 60 – 30
  • SLI ranked among 176 companies in Metals and Mining
  • IONR ranked among 176 companies in Metals and Mining
  • SLDP 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

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

Risk

MeasureSLIIONRSLDPSPY
Volatility, 1Y 67.5%79.3%81.8% 12.7%
Downside volatility, 1Y 72.8%76.8%79.7% 12.6%
Beta vs S&P 500, 1Y 2.191.453.03 1.00
Return / volatility, 1Y -0.91-0.52-0.77 0.94
Max drawdown, 5Y -91.5%-87.8%-93.5% -25.4%
From 52-week high -74.2%-55.9%-76.1% -1.2%
52-week high $5.65$6.39$8.51 $779.14
52-week low $1.38$2.55$1.95 $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.

MultipleSLIIONRSLDP
P/E now vs peer median -6.3xmedian 13.2x —median 13.2x -5.1xmedian 13.2x
P/S now vs peer median 58.1xmedian 3.1x —median 3.1x 40.0xmedian 3.1x
EV/EBITDA now vs peer median —median 7.2x —median 7.2x -2.5xmedian 7.2x
P/FCF now vs peer median -23.9xmedian 15.2x —median 15.2x -6.3xmedian 15.2x
P/B now vs peer median 0.9xmedian 2.2x 0.7xmedian 2.2x 0.9xmedian 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 monthsSLIIONRSLDP
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 $58.84M $24.28M
Shares (diluted) 206.37M 60.35M 225.97M
Enterprise value -$320.03M $54.17M -$538.59M

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
MetricSLIIONRSLDP
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 0.7x 0.9x
P/Tangible book 1.0x 0.7x 0.9x
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
MetricSLIIONRSLDP
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
MetricSLIIONRSLDP
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
MetricSLIIONRSLDP
Debt / assets – – –
Debt / equity – – –
Net debt / EBITDA – – –
Debt / FCF – – –
Liabilities / assets 7.1% 0.9% 4.8%
Equity / assets 92.9% 99.1% 95.2%
Interest coverage -950.4x – -498.0x
Current ratio 17.9x 25.8x 14.6x
Quick ratio 23.6x 25.8x 14.3x
Cash ratio 23.3x 25.6x 14.1x
Altman Z-score 7.37 – 9.98

Shareholder Returns

7 metrics
MetricSLIIONRSLDP
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.

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

Institutional Ownership

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

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.

SLIIONRSLDP
SLI 1.00 0.25 0.35
IONR 0.25 1.00 0.26
SLDP 0.35 0.26 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, SLI, IONR and SLDP?

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

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%, Ioneer (IONR) -41.5%, Solid Power (SLDP) -63.2%. 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%, Ioneer (IONR) 79.3%, Solid Power (SLDP) 81.8%). Volatility measures how widely the price swings, not the risk of the business.

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

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.