GMTL vs PPTA vs MTX Stock Comparison

Guardian Metal Resources, Perpetua Resources and Minerals Technologies Prices as of Oct 27, 2026 Peers: Industry group
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MTX Minerals Technologies Inc
$62.56 -6.6% 1M +10.0% 1Y
Market cap
$1.93B
P/E
–
Revenue (TTM)
$2.15B
Div. yield
0.01%
Industrial Minerals Basic Materials
3 wins

Head to Head

5 decided of 12

Minerals Technologies leads on 3 of the 12 questions below (Minerals Technologies 3, Perpetua Resources 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionGMTLPPTAMTXLeader
Larger companyMarket capitalisation $275.68M $2.29B $1.93B PPTA
Cheaper on earningsLower P/E, profitable companies only -29.9x -9.9x -28.6x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS — — 10.4x –
Faster revenue growthRevenue growth, trailing twelve months — — +4.1% –
More profitableNet margin, trailing twelve months — — -3.1% –
Better return on capitalReturn on invested capital — — -0.9% –
Less leveragedLower net debt / EBITDA — — 9.4x –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.01% –
Better 1-year returnPrice return, last 12 months — -26.0% +10.0% MTX
Better 5-year returnAnnualised price return, 5 years — +30.3%/yr -2.6%/yr PPTA
Less volatileAnnualised volatility, 1 year 90.8% 73.6% 25.3% MTX
Higher overall scoreMean of the five percentile scores vs peers — 30/100 48/100 MTX

Percentile Scorecard

GMTLPPTAMTX

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

AxisGMTLPPTAMTX
Valuation 31 #112 of 162 16 #136 of 162 80 #34 of 162
Growth – 1 #146 of 147 24 #112 of 147
Profitability – 23 #94 of 122 40 #74 of 122
Financial Health 95 #9 of 164 92 #14 of 164 16 #138 of 164
Shareholder Returns – 16 #90 of 107 82 #20 of 107
Overall – 30 48
  • GMTL ranked among 176 companies in Metals and Mining
  • PPTA ranked among 176 companies in Metals and Mining
  • MTX 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

PeriodGMTLPPTAMTXSPY
1 month -49.1%-21.8%-6.6% -0.2%
3 months -47.7%+5.6%-16.9% +3.9%
6 months -72.5%-33.2%-14.1% +8.2%
Year to date —-24.1%+2.6% +12.9%
1 year —-26.0%+10.0% +12.3%
3 years —+411.7%+17.9% +87.4%
3 years, per year —+72.4%+5.7% +23.3%
5 years —+275.7%-12.2% +67.9%
5 years, per year —+30.3%-2.6% +10.9%
10 years ——-5.6% +261.1%
10 years, per year ——-0.6% +13.7%

Risk

MeasureGMTLPPTAMTXSPY
Volatility, 1Y 90.8%73.6%25.3% 12.7%
Downside volatility, 1Y 91.2%75.1%24.4% 12.7%
Beta vs S&P 500, 1Y 2.283.020.63 1.00
Return / volatility, 1Y —-0.350.40 0.97
Max drawdown, 5Y -76.4%-70.6%-42.7% -25.4%
From 52-week high -74.9%-50.6%-24.5% -1.2%
52-week high $20.64$37.22$82.84 $779.14
52-week low $4.88$16.44$55.09 $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.

MultipleGMTLPPTAMTX
P/E now vs peer median -29.9xmedian 13.3x -9.9xmedian 13.3x -29.0xmedian 13.3x
P/S now vs peer median —median 3.2x —median 3.2x 0.9xmedian 3.2x
EV/EBITDA now vs peer median —median 7.3x -6.5xmedian 7.3x 39.1xmedian 7.3x
P/FCF now vs peer median -49.8xmedian 14.7x -10.8xmedian 14.7x 16.2xmedian 14.7x
P/B now vs peer median 3.2xmedian 2.2x 3.2xmedian 2.2x 1.2xmedian 2.2x
PEG now vs peer median —median 0.31 0.16median 0.31 0.73median 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 monthsGMTLPPTAMTX
Revenue – – $2.15B
Gross profit – – $526.40M
Operating income – -$264.40M -$28.70M
Net income – -$232.33M -$62.60M
Free cash flow – -$213.26M $120.30M
R&D – $254.25M $23.40M
EPS (diluted) – $-1.86 $-2.16
Cash & equivalents $52.46M $574.25M $342.20M
Total debt – – $958.90M
Shares (diluted) 57.79M 125.09M 31.10M
Enterprise value $275.68M -$113.44M $596.69M

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
MetricGMTLPPTAMTX
P/E -29.9x -9.9x -29.0x
P/FCF -49.8x -10.8x 16.2x
P/Operating cash flow – -12.7x 8.5x
P/S – – 0.9x
P/B 3.2x 3.2x 1.2x
P/Tangible book 5.7x 3.2x 1.4x
EV/EBITDA – -6.5x 39.1x
EV/EBIT – -6.5x -89.2x
EV/Revenue – – 1.2x
EV/FCF – -8.1x 21.3x
EV/Operating cash flow – -9.6x 11.1x
PEG (3Y EPS CAGR) – 0.16 0.73

Growth

14 metrics
MetricGMTLPPTAMTX
Revenue growth (1Y) – – 4.1%
Revenue CAGR (3Y) – – 0.0%
Gross profit growth (1Y) – – 0.4%
Gross profit CAGR (3Y) – – 4.2%
Operating income growth (1Y) – -351.9% -138.2%
Operating income CAGR (3Y) – -93.2% -29.1%
Net income growth (1Y) – -951.5% -1,198%
Net income CAGR (3Y) – -101.3% -37.8%
EPS growth (1Y) – -542.8% -3,351%
EPS CAGR (3Y) – -60.3% -39.7%
Operating cash flow growth (1Y) – -436.4% 21.9%
Operating cash flow CAGR (3Y) – -103.1% 14.9%
Free cash flow growth (1Y) – -493.7% 35.6%
Free cash flow CAGR (3Y) – -113.4% 23.6%

Profitability

14 metrics
MetricGMTLPPTAMTX
Gross margin – – 24.5%
EBITDA margin – – 3.0%
Operating margin – – -1.3%
Pretax margin – – -3.8%
Net margin – – -3.1%
FCF margin – – 5.6%
Operating cash flow margin – – 10.7%
Return on equity – -31.1% -3.8%
Return on assets – -29.4% -1.8%
Return on invested capital – – -0.9%
Return on capital employed – -34.5% -1.1%
Asset turnover – – 0.6x
Cash conversion (OCF / net income) – 0.8x -3.7x
Stock comp / revenue – – –

Financial Health

11 metrics
MetricGMTLPPTAMTX
Debt / assets – – 27.4%
Debt / equity – – 0.6x
Net debt / EBITDA – – 9.4x
Debt / FCF – – 8.0x
Liabilities / assets 3.7% 6.9% 54.9%
Equity / assets 96.3% 93.1% 45.1%
Interest coverage – – –
Current ratio 15.3x 12.3x 1.4x
Quick ratio 14.8x 11.9x 0.9x
Cash ratio 14.4x 11.8x 0.4x
Altman Z-score – – 2.25

Shareholder Returns

7 metrics
MetricGMTLPPTAMTX
Dividend yield – – 0.8%
Net buyback yield – -18.8% 1.2%
Shareholder yield – -18.8% 1.9%
Payout ratio (earnings) – – -23.5%
Payout ratio (FCF) – – 12.2%
Dividend growth (1Y) – – 7.3%
Dividend CAGR (3Y) – – 31.3%

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.

ConsensusGMTLPPTAMTX
Forward P/E – – 10.4xFY2026
EPS, next fiscal year $-0.25FY2027 $-1.20FY2026 $6.03FY2026
EPS growth, next FY – – +9.2%FY2026
EPS growth, the year after – – +8.5%
Revenue, next fiscal year $0.00FY2027 $0.00FY2026 $2.33BFY2026
Revenue growth, next FY – – +12.3%FY2026
Revenue growth, the year after – – +3.8%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersGMTLPPTAMTX
Held by institutions 10.6% 67.2% 100.0%
Institutions holding 47 255 292
Change in shares held, QoQ +16.7% -1.6% +2.6%
Institutions buying 36 128 176
Institutions selling 10 79 69
Buyers to sellers 3.60 1.62 2.55

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.

GMTLPPTAMTX
GMTL 1.00 0.50 0.02
PPTA 0.50 1.00 0.24
MTX 0.02 0.24 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, GMTL, PPTA and MTX?

Perpetua Resources (PPTA) is the largest by market capitalisation: Guardian Metal Resources (GMTL) $275.68M, Perpetua Resources (PPTA) $2.29B, Minerals Technologies (MTX) $1.93B.

Which stock has performed better?

Over the past year Minerals Technologies (MTX) returned the most: Perpetua Resources (PPTA) -26.0%, Minerals Technologies (MTX) +10.0%. Over five years, Perpetua Resources (PPTA) compounded fastest (Perpetua Resources (PPTA) +30.3%/yr, Minerals Technologies (MTX) -2.6%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Guardian Metal Resources (GMTL) 0.00%, Perpetua Resources (PPTA) 0.00%, Minerals Technologies (MTX) 0.01%. Guardian Metal Resources (GMTL) and Perpetua Resources (PPTA) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Minerals Technologies (MTX) has been the steadiest (Guardian Metal Resources (GMTL) 90.8%, Perpetua Resources (PPTA) 73.6%, Minerals Technologies (MTX) 25.3%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, GMTL, PPTA and MTX?

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