BLGO vs CDZI vs GNOLF Stock Comparison

Biolargo, Cadiz and Genoil Prices as of Oct 26, 2026 Peers: Industry group
BLGO Biolargo, Inc.
$0.07 -22.2% 1M -56.3% 1Y
Market cap
$20.54M
P/E
–
Revenue (TTM)
$4.08M
Div. yield
–
Water Treatment Industrials
CDZI Cadiz Inc
$4.34 +18.9% 1M -17.2% 1Y
Market cap
$382.45M
P/E
–
Revenue (TTM)
$14.34M
Div. yield
–
Water Treatment Industrials
4 wins
GNOLF Genoil Inc
$0.03 +200.0% 1M +200.0% 1Y
Market cap
$12.23M
P/E
0.1x
Revenue (TTM)
—
Div. yield
–
Oilfield Equipment Energy
3 wins

Head to Head

7 decided of 12

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

QuestionBLGOCDZIGNOLFLeader
Larger companyMarket capitalisation $20.54M $382.45M $12.23M CDZI
Cheaper on earningsLower P/E, profitable companies only -1.4x -9.3x 0.1x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS — — — –
Faster revenue growthRevenue growth, trailing twelve months -70.9% -4.8% — CDZI
More profitableNet margin, trailing twelve months -354.8% -286.1% — CDZI
Better return on capitalReturn on invested capital — — — –
Less leveragedLower net debt / EBITDA -0.2x — — –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -56.3% -17.2% +200.0% GNOLF
Better 5-year returnAnnualised price return, 5 years -16.3%/yr -6.4%/yr +24.6%/yr GNOLF
Less volatileAnnualised volatility, 1 year 91.8% 66.6% 99.8% CDZI
Higher overall scoreMean of the five percentile scores vs peers 11/100 24/100 29/100 GNOLF

Percentile Scorecard

BLGOCDZIGNOLF

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

AxisBLGOCDZIGNOLF
Valuation 10 #19 of 21 20 #17 of 21 4 #45 of 47
Growth 0 #19 of 19 39 #12 of 19 81 #9 of 44
Profitability 6 #16 of 17 19 #14 of 17 –
Financial Health 10 #20 of 22 19 #18 of 22 2 #45 of 46
Shareholder Returns 30 #8 of 11 – –
Overall 11 24 29
  • BLGO ranked among 22 companies in Environmental Equipment
  • CDZI ranked among 22 companies in Environmental Equipment
  • GNOLF ranked among 48 companies in Oilfield Services and Equipment

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodBLGOCDZIGNOLFSPY
1 month -22.2%+18.9%+200.0% -0.8%
3 months -36.4%+40.9%+200.0% +3.5%
6 months -53.3%-3.6%+200.0% +7.0%
Year to date -61.1%-22.6%+200.0% +12.2%
1 year -56.3%-17.2%+200.0% +13.0%
3 years -56.3%+57.2%+200.0% +86.3%
3 years, per year -24.1%+16.3%+44.3% +23.1%
5 years -58.8%-28.1%+200.0% +68.6%
5 years, per year -16.3%-6.4%+24.6% +11.0%
10 years -89.9%-40.5%-25.0% +258.0%
10 years, per year -20.5%-5.1%-2.8% +13.6%

Risk

MeasureBLGOCDZIGNOLFSPY
Volatility, 1Y 91.8%66.6%99.8% 12.7%
Downside volatility, 1Y 135.9%64.5%— 12.7%
Beta vs S&P 500, 1Y 0.231.43-0.95 1.00
Return / volatility, 1Y -0.61-0.262.00 1.02
Max drawdown, 5Y -82.5%-75.0%-50.0% -25.4%
From 52-week high -65.0%-37.3%0.0% -1.8%
52-week high $0.20$6.92$0.03 $779.14
52-week low $0.07$2.98$0.01 $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.

MultipleBLGOCDZIGNOLF
P/E now vs peer median -1.6xmedian 25.6x -8.9xmedian 25.6x 0.1xmedian 25.5x
P/S now vs peer median 5.6xmedian 2.5x 25.5xmedian 2.5x —median 1.2x
EV/EBITDA now vs peer median -1.4xmedian 19.1x —median 19.1x —median 8.6x
P/FCF now vs peer median -2.2xmedian 25.2x —median 25.2x -117.3xmedian 14.7x
P/B now vs peer median -8.4xmedian 2.0x 78.3xmedian 2.0x -119.0xmedian 1.6x
PEG now vs peer median —median 1.54 2.12median 1.54 0.00median 0.41

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 monthsBLGOCDZIGNOLF
Revenue $4.08M $14.34M –
Gross profit $1.63M $4.25M –
Operating income -$18.12M -$26.90M -$626.09K
Net income -$18.79M -$35.98M $530.68M
Free cash flow -$10.56M – -$516.30K
R&D $3.27M – –
EPS (diluted) – $-1,199.69 $0.11
Cash & equivalents $2.19M $5.32M $12.00
Total debt $4.85M $278.50M –
Shares (diluted) – 34.19K 1.99B
Enterprise value $5.80M $350.90M $12.12M

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
MetricBLGOCDZIGNOLF
P/E -1.6x -8.9x 0.1x
P/FCF -2.2x – -117.3x
P/Operating cash flow -2.2x – -117.3x
P/S 5.6x 25.5x –
P/B -8.4x 78.3x -119.0x
P/Tangible book -8.4x 78.3x -119.0x
EV/EBITDA -1.4x – –
EV/EBIT -1.4x -16.6x -96.7x
EV/Revenue 6.3x 31.2x –
EV/FCF -2.4x – -117.3x
EV/Operating cash flow -2.5x – -117.3x
PEG (3Y EPS CAGR) – 2.12 0.00

Growth

14 metrics
MetricBLGOCDZIGNOLF
Revenue growth (1Y) -70.9% -4.8% –
Revenue CAGR (3Y) -22.5% 89.3% –
Gross profit growth (1Y) -74.4% -12.7% –
Gross profit CAGR (3Y) -27.8% 97.5% –
Operating income growth (1Y) -185.8% -8.9% 68.8%
Operating income CAGR (3Y) -60.3% -12.0% 28.5%
Net income growth (1Y) -184.9% -9.9% 11.4%
Net income CAGR (3Y) -62.6% -4.9% 428.5%
EPS growth (1Y) – -8.4% 10,411%
EPS CAGR (3Y) – -4.2% 27.7%
Operating cash flow growth (1Y) -37.9% – 14.9%
Operating cash flow CAGR (3Y) -62.1% – -3.5%
Free cash flow growth (1Y) -40.8% – 14.9%
Free cash flow CAGR (3Y) -57.1% – -3.5%

Profitability

14 metrics
MetricBLGOCDZIGNOLF
Gross margin 40.0% 29.6% –
EBITDA margin -434.2% – –
Operating margin -443.9% -187.6% –
Pretax margin -458.1% -250.5% –
Net margin -354.8% -286.1% –
FCF margin -258.6% – –
Operating cash flow margin -252.8% – –
Return on equity – -257.3% –
Return on assets -246.7% -26.1% 1,774,499%
Return on invested capital – – –
Return on capital employed -635.4% -21.0% –
Asset turnover 0.5x 0.1x –
Cash conversion (OCF / net income) 0.5x – 0.0x
Stock comp / revenue 59.3% – –

Financial Health

11 metrics
MetricBLGOCDZIGNOLF
Debt / assets 72.8% 64.5% –
Debt / equity -1.8x 18.6x –
Net debt / EBITDA -0.2x – –
Debt / FCF -0.5x – –
Liabilities / assets 140.9% 96.5% 10,251%
Equity / assets -40.9% 3.5% -10,151%
Interest coverage -22.5x -2.9x -15.9x
Current ratio 0.7x 1.2x 0.0x
Quick ratio 0.6x 0.9x 0.0x
Cash ratio 0.5x 0.5x 0.0x
Altman Z-score -42.03 -6.25 –

Shareholder Returns

7 metrics
MetricBLGOCDZIGNOLF
Dividend yield – – –
Net buyback yield -2.5% – –
Shareholder yield -2.5% – –
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.

ConsensusBLGOCDZIGNOLF
EPS, next fiscal year $-0.05FY2026 $-0.54FY2026 –
Revenue, next fiscal year $5.48MFY2026 $8.61MFY2026 –
Revenue growth, next FY -29.4%FY2026 -47.2%FY2026 –
Revenue growth, the year after +180.2% +109.5% –

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersBLGOCDZIGNOLF
Held by institutions – 46.7% –
Institutions holding – 117 –
Change in shares held, QoQ – +4.0% –
Institutions buying – 54 –
Institutions selling – 39 –
Buyers to sellers – 1.38 –

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.

BLGOCDZIGNOLF
BLGO 1.00 -0.07 -0.06
CDZI -0.07 1.00 0.00
GNOLF -0.06 0.00 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, BLGO, CDZI and GNOLF?

Cadiz (CDZI) is the largest by market capitalisation: Biolargo (BLGO) $20.54M, Cadiz (CDZI) $382.45M, Genoil (GNOLF) $12.23M.

Which company is growing faster?

Cadiz (CDZI) grew revenue fastest over the trailing twelve months: Biolargo (BLGO) -70.9%, Cadiz (CDZI) -4.8%.

Which company is more profitable?

Cadiz (CDZI) has the highest net margin (Biolargo (BLGO) -354.8%, Cadiz (CDZI) -286.1%).

Which stock has performed better?

Over the past year Genoil (GNOLF) returned the most: Biolargo (BLGO) -56.3%, Cadiz (CDZI) -17.2%, Genoil (GNOLF) +200.0%. Over five years, Genoil (GNOLF) compounded fastest (Biolargo (BLGO) -16.3%/yr, Cadiz (CDZI) -6.4%/yr, Genoil (GNOLF) +24.6%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Cadiz (CDZI) has been the steadiest (Biolargo (BLGO) 91.8%, Cadiz (CDZI) 66.6%, Genoil (GNOLF) 99.8%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, BLGO, CDZI and GNOLF?

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