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Side-by-side financial comparison of ALLIANCE RESOURCE PARTNERS LP (ARLP) and Westlake Chemical Partners LP (WLKP). Click either name above to swap in a different company.

ALLIANCE RESOURCE PARTNERS LP is the larger business by last-quarter revenue ($516.0M vs $323.0M, roughly 1.6× Westlake Chemical Partners LP). Westlake Chemical Partners LP runs the higher net margin — 4.5% vs 2.1%, a 2.4% gap on every dollar of revenue. On growth, Westlake Chemical Partners LP posted the faster year-over-year revenue change (11.4% vs -3.6%). Westlake Chemical Partners LP produced more free cash flow last quarter ($111.5M vs $13.3M). Over the past eight quarters, Westlake Chemical Partners LP's revenue compounded faster (6.5% CAGR vs -6.7%).

Alliance Resource Partners LP is a leading North American natural resource enterprise primarily engaged in the production and marketing of coal for utility and industrial customers. It also operates complementary business segments including mineral royalty management, oil and gas extraction, and logistics support services.

Westlake Chemical Partners LP is a petrochemical limited partnership that manufactures and markets basic products including ethylene, polyethylene, and styrene monomers. It operates mainly in North America, serving packaging, construction, consumer goods, and industrial manufacturing sectors.

ARLP vs WLKP — Head-to-Head

Bigger by revenue
ARLP
ARLP
1.6× larger
ARLP
$516.0M
$323.0M
WLKP
Growing faster (revenue YoY)
WLKP
WLKP
+15.0% gap
WLKP
11.4%
-3.6%
ARLP
Higher net margin
WLKP
WLKP
2.4% more per $
WLKP
4.5%
2.1%
ARLP
More free cash flow
WLKP
WLKP
$98.3M more FCF
WLKP
$111.5M
$13.3M
ARLP
Faster 2-yr revenue CAGR
WLKP
WLKP
Annualised
WLKP
6.5%
-6.7%
ARLP

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
ARLP
ARLP
WLKP
WLKP
Revenue
$516.0M
$323.0M
Net Profit
$10.7M
$14.5M
Gross Margin
30.0%
Operating Margin
4.2%
27.8%
Net Margin
2.1%
4.5%
Revenue YoY
-3.6%
11.4%
Net Profit YoY
-3.0%
EPS (diluted)

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
ARLP
ARLP
WLKP
WLKP
Q1 26
$516.0M
Q4 25
$535.5M
$323.0M
Q3 25
$571.4M
$308.9M
Q2 25
$547.5M
$297.1M
Q1 25
$540.5M
$237.6M
Q4 24
$590.1M
$290.1M
Q3 24
$613.6M
$277.0M
Q2 24
$593.4M
$284.2M
Net Profit
ARLP
ARLP
WLKP
WLKP
Q1 26
$10.7M
Q4 25
$82.7M
$14.5M
Q3 25
$95.1M
$14.7M
Q2 25
$59.4M
$14.6M
Q1 25
$74.0M
$4.9M
Q4 24
$16.3M
$15.0M
Q3 24
$86.3M
$18.1M
Q2 24
$100.2M
$14.4M
Gross Margin
ARLP
ARLP
WLKP
WLKP
Q1 26
Q4 25
30.0%
Q3 25
32.2%
Q2 25
32.8%
Q1 25
22.8%
Q4 24
34.0%
Q3 24
42.2%
Q2 24
35.6%
Operating Margin
ARLP
ARLP
WLKP
WLKP
Q1 26
4.2%
Q4 25
18.2%
27.8%
Q3 25
18.4%
29.8%
Q2 25
16.2%
30.7%
Q1 25
17.4%
19.6%
Q4 24
2.6%
31.7%
Q3 24
16.5%
39.6%
Q2 24
19.8%
32.9%
Net Margin
ARLP
ARLP
WLKP
WLKP
Q1 26
2.1%
Q4 25
15.4%
4.5%
Q3 25
16.6%
4.7%
Q2 25
10.9%
4.9%
Q1 25
13.7%
2.1%
Q4 24
2.8%
5.2%
Q3 24
14.1%
6.5%
Q2 24
16.9%
5.1%

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
ARLP
ARLP
WLKP
WLKP
Cash + ST InvestmentsLiquidity on hand
$28.9M
$44.3M
Total DebtLower is stronger
Stockholders' EquityBook value
Total Assets
$2.9B
$1.3B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ARLP
ARLP
WLKP
WLKP
Q1 26
$28.9M
Q4 25
$71.2M
$44.3M
Q3 25
$94.5M
$37.9M
Q2 25
$55.0M
$36.6M
Q1 25
$81.3M
$49.6M
Q4 24
$137.0M
$58.3M
Q3 24
$195.4M
$60.2M
Q2 24
$203.7M
$66.0M
Total Assets
ARLP
ARLP
WLKP
WLKP
Q1 26
$2.9B
Q4 25
$2.9B
$1.3B
Q3 25
$2.9B
$1.3B
Q2 25
$2.9B
$1.3B
Q1 25
$2.9B
$1.4B
Q4 24
$2.9B
$1.3B
Q3 24
$3.0B
$1.3B
Q2 24
$3.1B
$1.3B

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
ARLP
ARLP
WLKP
WLKP
Operating Cash FlowLast quarter
$120.4M
Free Cash FlowOCF − Capex
$13.3M
$111.5M
FCF MarginFCF / Revenue
2.6%
34.5%
Capex IntensityCapex / Revenue
18.5%
2.7%
Cash ConversionOCF / Net Profit
8.28×
TTM Free Cash FlowTrailing 4 quarters
$342.2M
$201.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ARLP
ARLP
WLKP
WLKP
Q1 26
Q4 25
$143.9M
$120.4M
Q3 25
$209.9M
$105.2M
Q2 25
$151.7M
$9.1M
Q1 25
$145.7M
$45.8M
Q4 24
$168.4M
$132.5M
Q3 24
$209.3M
$126.1M
Q2 24
$215.8M
$121.9M
Free Cash Flow
ARLP
ARLP
WLKP
WLKP
Q1 26
$13.3M
Q4 25
$99.1M
$111.5M
Q3 25
$145.2M
$75.6M
Q2 25
$84.7M
$-15.3M
Q1 25
$58.9M
$29.8M
Q4 24
$75.3M
$119.0M
Q3 24
$99.0M
$110.5M
Q2 24
$114.3M
$111.7M
FCF Margin
ARLP
ARLP
WLKP
WLKP
Q1 26
2.6%
Q4 25
18.5%
34.5%
Q3 25
25.4%
24.5%
Q2 25
15.5%
-5.2%
Q1 25
10.9%
12.6%
Q4 24
12.8%
41.0%
Q3 24
16.1%
39.9%
Q2 24
19.3%
39.3%
Capex Intensity
ARLP
ARLP
WLKP
WLKP
Q1 26
18.5%
Q4 25
8.4%
2.7%
Q3 25
11.3%
9.6%
Q2 25
12.2%
8.2%
Q1 25
16.1%
6.7%
Q4 24
15.8%
4.6%
Q3 24
18.0%
5.6%
Q2 24
17.1%
3.6%
Cash Conversion
ARLP
ARLP
WLKP
WLKP
Q1 26
Q4 25
1.74×
8.28×
Q3 25
2.21×
7.18×
Q2 25
2.55×
0.62×
Q1 25
1.97×
9.25×
Q4 24
10.31×
8.83×
Q3 24
2.43×
6.95×
Q2 24
2.15×
8.45×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

ARLP
ARLP

Coal sales$443.3M86%
Oil & gas royalties$41.3M8%
Other revenues$22.8M4%
Transportation revenues$8.6M2%
Tons Produced$8.0M2%
Mineral Interest Volumes (BOE)$1.0M0%

WLKP
WLKP

Affiliated Entity$296.9M92%
Nonrelated Party$26.2M8%

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