IONR vs SLDP Stock Comparison

Ioneer and Solid Power Prices as of Oct 26, 2026 Peers: Industry group
IONR ioneer Ltd
$2.70 -18.4% 1M -48.0% 1Y
Market cap
$158.42M
P/E
–
Revenue (TTM)
—
Div. yield
–
Lithium Basic Materials
2 wins
SLDP Solid Power, Inc.
$1.99 -16.7% 1M -67.6% 1Y
Market cap
$457.60M
P/E
–
Revenue (TTM)
$11.53M
Div. yield
–
Lithium Basic Materials
1 win

Head to Head

3 decided of 12

Ioneer leads on 2 of the 12 questions below (Ioneer 2, Solid Power 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionIONRSLDPLeader
Larger companyMarket capitalisation $158.42M $457.60M SLDP
Cheaper on earningsLower P/E, profitable companies only — -5.1x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS — — –
Faster revenue growthRevenue growth, trailing twelve months — -49.1% –
More profitableNet margin, trailing twelve months — -778.5% –
Better return on capitalReturn on invested capital — — –
Less leveragedLower net debt / EBITDA — — –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -48.0% -67.6% IONR
Better 5-year returnAnnualised price return, 5 years — -28.4%/yr –
Less volatileAnnualised volatility, 1 year 79.5% 82.2% IONR
Higher overall scoreMean of the five percentile scores vs peers — 29/100 –

Percentile Scorecard

IONRSLDP

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

AxisIONRSLDP
Valuation – 16 #136 of 162
Growth – 27 #107 of 147
Profitability – 12 #107 of 122
Financial Health 98 #4 of 165 82 #31 of 165
Shareholder Returns – 9 #97 of 107
Overall – 29
  • 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

PeriodIONRSLDPSPY
1 month -18.4%-16.7% -0.8%
3 months -16.1%-7.0% +3.5%
6 months -34.3%-44.3% +7.0%
Year to date -43.7%-53.2% +12.2%
1 year -48.0%-67.6% +13.0%
3 years -27.8%+50.8% +86.3%
3 years, per year -10.3%+14.7% +23.1%
5 years —-81.2% +68.6%
5 years, per year —-28.4% +11.0%

Risk

MeasureIONRSLDPSPY
Volatility, 1Y 79.5%82.2% 12.7%
Downside volatility, 1Y 76.7%80.3% 12.7%
Beta vs S&P 500, 1Y 1.443.02 1.00
Return / volatility, 1Y -0.60-0.82 1.02
Max drawdown, 5Y -87.8%-93.5% -25.4%
From 52-week high -57.7%-76.6% -1.8%
52-week high $6.39$8.51 $779.14
52-week low $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.

MultipleIONRSLDP
P/E now vs peer median —median 12.8x -5.0xmedian 12.8x
P/S now vs peer median —median 3.1x 39.2xmedian 3.1x
EV/EBITDA now vs peer median —median 7.0x -2.4xmedian 7.0x
P/FCF now vs peer median —median 15.2x -6.2xmedian 15.2x
P/B now vs peer median 0.7xmedian 2.1x 0.9xmedian 2.1x
PEG now vs peer median —median 0.29 —median 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 monthsIONRSLDP
Revenue – $11.53M
Gross profit – -$3.63M
Operating income – -$107.57M
Net income – -$89.77M
Free cash flow – -$72.93M
R&D – $72.26M
EPS (diluted) – $-0.40
Cash & equivalents $58.84M $24.28M
Shares (diluted) 60.35M 225.97M
Enterprise value $24.03M -$542.24M

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
MetricIONRSLDP
P/E – -5.0x
P/FCF – -6.2x
P/Operating cash flow – -7.6x
P/S – 39.2x
P/B 0.7x 0.9x
P/Tangible book 0.7x 0.9x
EV/EBITDA – -2.4x
EV/EBIT – -1.9x
EV/Revenue – 18.2x
EV/FCF – -2.9x
EV/Operating cash flow – -3.5x
PEG (3Y EPS CAGR) – –

Growth

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

Profitability

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

Financial Health

11 metrics
MetricIONRSLDP
Debt / assets – –
Debt / equity – –
Net debt / EBITDA – –
Debt / FCF – –
Liabilities / assets 0.9% 4.8%
Equity / assets 99.1% 95.2%
Interest coverage – -498.0x
Current ratio 25.8x 14.6x
Quick ratio 25.8x 14.3x
Cash ratio 25.6x 14.1x
Altman Z-score – 9.77

Shareholder Returns

7 metrics
MetricIONRSLDP
Dividend yield – –
Net buyback yield – -28.9%
Shareholder yield – -28.9%
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.

ConsensusIONRSLDP
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
HoldersIONRSLDP
Held by institutions 3.9% 35.5%
Institutions holding 34 192
Change in shares held, QoQ -10.1% -14.0%
Institutions buying 20 113
Institutions selling 5 34
Buyers to sellers 4.00 3.32

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.

IONRSLDP
IONR 1.00 0.27
SLDP 0.27 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, IONR and SLDP?

Solid Power (SLDP) is the largest by market capitalisation: Ioneer (IONR) $158.42M, Solid Power (SLDP) $457.60M.

Which stock has performed better?

Over the past year Ioneer (IONR) returned the most: Ioneer (IONR) -48.0%, Solid Power (SLDP) -67.6%. Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Ioneer (IONR) has been the steadiest (Ioneer (IONR) 79.5%, Solid Power (SLDP) 82.2%). Volatility measures how widely the price swings, not the risk of the business.

Do IONR and SLDP move together?

Their daily returns over the past year have a correlation of 0.27, a weak relationship. Holding both diversifies more than two closely linked stocks would.

Which is the better stock, 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, Ioneer (IONR) leads on 2. 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.