WLK vs E vs OLN Stock Comparison

Westlake, Eni Spa and Olin Prices as of Oct 29, 2026 Peers: Industry group
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WLK Westlake Corp
$66.01 +4.1% 1M -10.2% 1Y
Market cap
$8.44B
P/E
–
Revenue (TTM)
$11.29B
Div. yield
3.21%
Commodity Chemicals Basic Materials
1 win
E Eni Spa
$60.15 +10.0% 1M +62.0% 1Y
Market cap
$94.64B
P/E
11.3x
Revenue (TTM)
$104.23B
Div. yield
4.06%
Integrated Oil and Gas Energy
9 wins
OLN OLIN Corp
$15.97 +3.4% 1M -25.3% 1Y
Market cap
$1.82B
P/E
–
Revenue (TTM)
$6.74B
Div. yield
5.01%
Commodity Chemicals Basic Materials
1 win

Head to Head

11 decided of 12

Eni Spa leads on 9 of the 12 questions below (Eni Spa 9, Westlake 1, Olin 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionWLKEOLNLeader
Larger companyMarket capitalisation $8.44B $94.64B $1.82B E
Cheaper on earningsLower P/E, profitable companies only -6.8x 11.3x -8.1x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS 38.8x 8.9x — E
Faster revenue growthRevenue growth, trailing twelve months -4.0% +19.6% -0.7% E
More profitableNet margin, trailing twelve months -10.9% 7.7% — E
Better return on capitalReturn on invested capital -8.0% 9.0% — E
Less leveragedLower net debt / EBITDA -42.9x 1.1x — WLK
Higher dividend yieldTrailing dividend yield 3.21% 4.06% 5.01% OLN
Better 1-year returnPrice return, last 12 months -10.2% +62.0% -25.3% E
Better 5-year returnAnnualised price return, 5 years -7.5%/yr +15.9%/yr -22.5%/yr E
Less volatileAnnualised volatility, 1 year 43.0% 27.7% 51.7% E
Higher overall scoreMean of the five percentile scores vs peers 41/100 54/100 52/100 E

Percentile Scorecard

WLKEOLN

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

AxisWLKEOLN
Valuation 45 #52 of 94 84 #17 of 99 88 #12 of 94
Growth 1 #91 of 92 83 #17 of 97 13 #80 of 92
Profitability 24 #66 of 86 47 #51 of 96 54 #40 of 86
Financial Health 50 #47 of 93 31 #71 of 102 15 #79 of 93
Shareholder Returns 83 #13 of 71 26 #57 of 77 90 #8 of 71
Overall 41 54 52
  • WLK ranked among 99 companies in Chemicals
  • E ranked among 103 companies in Oil and Gas Upstream
  • OLN ranked among 99 companies in Chemicals

Price Performance

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

Returns

PeriodWLKEOLNSPY
1 month +4.1%+10.0%+3.4% +0.7%
3 months -8.0%+8.3%-27.9% +3.7%
6 months -42.7%+6.2%-43.9% +7.1%
Year to date -10.7%+58.5%-23.3% +12.8%
1 year -10.2%+62.0%-25.3% +11.9%
3 years -42.7%+85.0%-62.4% +85.2%
3 years, per year -16.9%+22.8%-27.8% +22.8%
5 years -32.2%+108.9%-72.0% +67.6%
5 years, per year -7.5%+15.9%-22.5% +10.9%
10 years +27.8%+105.2%-27.3% +262.0%
10 years, per year +2.5%+7.5%-3.1% +13.7%

Risk

MeasureWLKEOLNSPY
Volatility, 1Y 43.0%27.7%51.7% 12.7%
Downside volatility, 1Y 37.9%26.7%54.3% 12.6%
Beta vs S&P 500, 1Y 0.46-0.400.46 1.00
Return / volatility, 1Y -0.242.24-0.49 0.94
Max drawdown, 5Y -65.2%-37.1%-78.0% -25.4%
From 52-week high -46.5%-3.1%-47.0% -1.2%
52-week high $123.39$62.08$30.14 $779.14
52-week low $56.38$36.32$14.72 $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.

MultipleWLKEOLN
P/E now vs peer median -6.8xmedian 21.0x 11.3xmedian 11.9x -8.1xmedian 21.0x
P/S now vs peer median 0.7xmedian 1.4x 0.9xmedian 2.0x 0.3xmedian 1.4x
EV/EBITDA now vs peer median -155.3xmedian 12.9x 6.6xmedian 5.9x —median 12.9x
P/FCF now vs peer median -31.8xmedian 15.5x 5.7xmedian 10.0x 17.5xmedian 15.5x
P/B now vs peer median 0.9xmedian 1.7x 1.4xmedian 1.5x 1.1xmedian 1.7x
PEG now vs peer median 0.16median 1.68 0.36median 1.36 0.24median 1.68

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 monthsWLKEOLN
Revenue $11.29B $104.23B $6.74B
Gross profit $1.09B – –
Operating income -$1.25B $9.26B -$129.10M
Net income -$1.21B $9.60B -$225.10M
Free cash flow -$265.00M $16.71B –
EPS (diluted) $-9.61 $5.19 $-1.98
Cash & equivalents $1.64B $13.34B $214.80M
Total debt $5.07B $38.88B –
Shares (diluted) 128.50M 1.54B 113.90M
Enterprise value -$442.15M $37.82B $1.82B

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
MetricWLKEOLN
P/E -6.8x 11.3x -8.1x
P/FCF -31.8x 5.7x 17.5x
P/Operating cash flow 13.4x 5.7x 4.7x
P/S 0.7x 0.9x 0.3x
P/B 0.9x 1.4x 1.1x
P/Tangible book 1.0x 1.5x 1.2x
EV/EBITDA -155.3x 6.6x –
EV/EBIT -9.4x 12.3x –
EV/Revenue 1.0x 1.1x 0.3x
EV/FCF -44.0x 6.8x –
EV/Operating cash flow 18.5x 6.8x 4.7x
PEG (3Y EPS CAGR) 0.16 0.36 0.24

Growth

14 metrics
MetricWLKEOLN
Revenue growth (1Y) -4.0% 19.6% -0.7%
Revenue CAGR (3Y) -6.6% -1.2% -2.2%
Gross profit growth (1Y) -17.5% – –
Gross profit CAGR (3Y) -26.8% – –
Operating income growth (1Y) -1,286% 439.3% -161.7%
Operating income CAGR (3Y) -39.3% 6.9% -29.0%
Net income growth (1Y) -3,089% 198.9% -531.2%
Net income CAGR (3Y) -42.3% 18.9% -33.4%
EPS growth (1Y) -1,740% 62.2% -524.8%
EPS CAGR (3Y) -43.1% 31.2% -34.2%
Operating cash flow growth (1Y) -34.7% 19.7% 32.6%
Operating cash flow CAGR (3Y) -39.5% 0.3% -26.1%
Free cash flow growth (1Y) -390.7% 19.7% –
Free cash flow CAGR (3Y) -29.1% -14.2% –

Profitability

14 metrics
MetricWLKEOLN
Gross margin 9.6% – –
EBITDA margin -0.7% 16.5% –
Operating margin -11.0% 8.9% –
Pretax margin -11.4% 8.5% –
Net margin -10.9% 7.7% –
FCF margin -2.3% 16.0% –
Operating cash flow margin 5.6% 16.0% 5.8%
Return on equity -13.0% 14.7% -13.1%
Return on assets -6.1% 5.6% -3.0%
Return on invested capital -8.0% 9.0% –
Return on capital employed -7.2% 7.7% –
Asset turnover 0.6x 0.6x 0.9x
Cash conversion (OCF / net income) -0.5x 1.7x -1.7x
Stock comp / revenue 0.4% – 0.3%

Financial Health

11 metrics
MetricWLKEOLN
Debt / assets 26.1% 22.3% –
Debt / equity 0.6x 0.6x –
Net debt / EBITDA -42.9x 1.1x –
Debt / FCF -19.1x 2.3x –
Liabilities / assets 52.6% 62.6% 76.8%
Equity / assets 47.4% 37.4% 23.2%
Interest coverage -6.1x 2.2x –
Current ratio 2.5x 1.2x 1.5x
Quick ratio 1.7x 0.7x –
Cash ratio 0.8x 0.4x –
Altman Z-score 1.70 1.64 –

Shareholder Returns

7 metrics
MetricWLKEOLN
Dividend yield 3.2% 4.1% 5.0%
Net buyback yield 0.7% -5.3% –
Shareholder yield 4.0% -1.3% 5.0%
Payout ratio (earnings) -22.5% – –
Payout ratio (FCF) -103.0% – –
Dividend growth (1Y) 1.1% – –
Dividend CAGR (3Y) 14.1% – –

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.

ConsensusWLKEOLN
Forward P/E 38.8xFY2026 8.9xFY2026 –
EPS, next fiscal year $1.70FY2026 $6.74FY2026 $-0.61FY2026
EPS growth, next FY – +76.9%FY2026 –
EPS growth, the year after +25.9% -4.9% –
Revenue, next fiscal year $12.04BFY2026 $106.61BFY2026 $6.47BFY2026
Revenue growth, next FY +7.8%FY2026 +10.0%FY2026 -4.6%FY2026
Revenue growth, the year after -3.9% -8.6% +16.0%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersWLKEOLN
Held by institutions 31.0% 1.6% 99.7%
Institutions holding 363 344 411
Change in shares held, QoQ -9.9% +2.3% +1.4%
Institutions buying 199 197 214
Institutions selling 118 92 121
Buyers to sellers 1.69 2.14 1.77

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.

WLKEOLN
WLK 1.00 0.20 0.66
E 0.20 1.00 0.23
OLN 0.66 0.23 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, WLK, E and OLN?

Eni Spa (E) is the largest by market capitalisation: Westlake (WLK) $8.44B, Eni Spa (E) $94.64B, Olin (OLN) $1.82B.

Which company is growing faster?

Eni Spa (E) grew revenue fastest over the trailing twelve months: Westlake (WLK) -4.0%, Eni Spa (E) +19.6%, Olin (OLN) -0.7%.

Which company is more profitable?

Eni Spa (E) has the highest net margin (Westlake (WLK) -10.9%, Eni Spa (E) 7.7%). On return on invested capital, Eni Spa (E) leads (Westlake (WLK) -8.0%, Eni Spa (E) 9.0%).

Which stock has performed better?

Over the past year Eni Spa (E) returned the most: Westlake (WLK) -10.2%, Eni Spa (E) +62.0%, Olin (OLN) -25.3%. Over five years, Eni Spa (E) compounded fastest (Westlake (WLK) -7.5%/yr, Eni Spa (E) +15.9%/yr, Olin (OLN) -22.5%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Olin (OLN) has the highest dividend yield: Westlake (WLK) 3.21%, Eni Spa (E) 4.06%, Olin (OLN) 5.01%.

Which stock is riskier?

By one-year price volatility, Eni Spa (E) has been the steadiest (Westlake (WLK) 43.0%, Eni Spa (E) 27.7%, Olin (OLN) 51.7%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, WLK, E and OLN?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Eni Spa (E) leads on 9. 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.