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Side-by-side financial comparison of ALLIANCE RESOURCE PARTNERS LP (ARLP) and Duolingo, Inc. (DUOL). 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 $282.9M, roughly 1.8× Duolingo, Inc.). Duolingo, Inc. runs the higher net margin — 14.8% vs 2.1%, a 12.7% gap on every dollar of revenue. On growth, Duolingo, Inc. posted the faster year-over-year revenue change (35.0% vs -3.6%). Duolingo, Inc. produced more free cash flow last quarter ($96.6M vs $13.3M). Over the past eight quarters, Duolingo, Inc.'s revenue compounded faster (29.9% 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.

Duolingo, Inc. is a leading global edtech firm operating a gamified language learning platform. It offers free and premium self-paced courses for over 40 languages, plus language certification, math learning tools, and literacy programs, serving individual learners, schools and corporate clients worldwide.

ARLP vs DUOL — Head-to-Head

Bigger by revenue
ARLP
ARLP
1.8× larger
ARLP
$516.0M
$282.9M
DUOL
Growing faster (revenue YoY)
DUOL
DUOL
+38.6% gap
DUOL
35.0%
-3.6%
ARLP
Higher net margin
DUOL
DUOL
12.7% more per $
DUOL
14.8%
2.1%
ARLP
More free cash flow
DUOL
DUOL
$83.3M more FCF
DUOL
$96.6M
$13.3M
ARLP
Faster 2-yr revenue CAGR
DUOL
DUOL
Annualised
DUOL
29.9%
-6.7%
ARLP

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
ARLP
ARLP
DUOL
DUOL
Revenue
$516.0M
$282.9M
Net Profit
$10.7M
$42.0M
Gross Margin
72.8%
Operating Margin
4.2%
15.4%
Net Margin
2.1%
14.8%
Revenue YoY
-3.6%
35.0%
Net Profit YoY
201.7%
EPS (diluted)
$0.99

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
DUOL
DUOL
Q1 26
$516.0M
Q4 25
$535.5M
$282.9M
Q3 25
$571.4M
$271.7M
Q2 25
$547.5M
$252.3M
Q1 25
$540.5M
$230.7M
Q4 24
$590.1M
$209.6M
Q3 24
$613.6M
$192.6M
Q2 24
$593.4M
$178.3M
Net Profit
ARLP
ARLP
DUOL
DUOL
Q1 26
$10.7M
Q4 25
$82.7M
$42.0M
Q3 25
$95.1M
$292.2M
Q2 25
$59.4M
$44.8M
Q1 25
$74.0M
$35.1M
Q4 24
$16.3M
$13.9M
Q3 24
$86.3M
$23.4M
Q2 24
$100.2M
$24.4M
Gross Margin
ARLP
ARLP
DUOL
DUOL
Q1 26
Q4 25
72.8%
Q3 25
72.5%
Q2 25
72.4%
Q1 25
71.1%
Q4 24
71.9%
Q3 24
72.9%
Q2 24
73.4%
Operating Margin
ARLP
ARLP
DUOL
DUOL
Q1 26
4.2%
Q4 25
18.2%
15.4%
Q3 25
18.4%
12.9%
Q2 25
16.2%
13.2%
Q1 25
17.4%
10.2%
Q4 24
2.6%
6.6%
Q3 24
16.5%
7.0%
Q2 24
19.8%
10.5%
Net Margin
ARLP
ARLP
DUOL
DUOL
Q1 26
2.1%
Q4 25
15.4%
14.8%
Q3 25
16.6%
107.5%
Q2 25
10.9%
17.8%
Q1 25
13.7%
15.2%
Q4 24
2.8%
6.6%
Q3 24
14.1%
12.1%
Q2 24
16.9%
13.7%
EPS (diluted)
ARLP
ARLP
DUOL
DUOL
Q1 26
Q4 25
$0.99
Q3 25
$5.95
Q2 25
$0.91
Q1 25
$0.72
Q4 24
$0.31
Q3 24
$0.49
Q2 24
$0.51

Balance Sheet & Financial Strength

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

Metric
ARLP
ARLP
DUOL
DUOL
Cash + ST InvestmentsLiquidity on hand
$28.9M
$1.0B
Total DebtLower is stronger
Stockholders' EquityBook value
$1.3B
Total Assets
$2.9B
$2.0B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ARLP
ARLP
DUOL
DUOL
Q1 26
$28.9M
Q4 25
$71.2M
$1.0B
Q3 25
$94.5M
$1.0B
Q2 25
$55.0M
$976.2M
Q1 25
$81.3M
$884.0M
Q4 24
$137.0M
$785.8M
Q3 24
$195.4M
$854.4M
Q2 24
$203.7M
$888.2M
Stockholders' Equity
ARLP
ARLP
DUOL
DUOL
Q1 26
Q4 25
$1.3B
Q3 25
$1.3B
Q2 25
$977.0M
Q1 25
$893.8M
Q4 24
$824.5M
Q3 24
$822.5M
Q2 24
$766.9M
Total Assets
ARLP
ARLP
DUOL
DUOL
Q1 26
$2.9B
Q4 25
$2.9B
$2.0B
Q3 25
$2.9B
$1.9B
Q2 25
$2.9B
$1.5B
Q1 25
$2.9B
$1.4B
Q4 24
$2.9B
$1.3B
Q3 24
$3.0B
$1.2B
Q2 24
$3.1B
$1.1B

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
DUOL
DUOL
Operating Cash FlowLast quarter
$107.3M
Free Cash FlowOCF − Capex
$13.3M
$96.6M
FCF MarginFCF / Revenue
2.6%
34.1%
Capex IntensityCapex / Revenue
18.5%
3.8%
Cash ConversionOCF / Net Profit
2.56×
TTM Free Cash FlowTrailing 4 quarters
$342.2M
$369.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ARLP
ARLP
DUOL
DUOL
Q1 26
Q4 25
$143.9M
$107.3M
Q3 25
$209.9M
$84.2M
Q2 25
$151.7M
$90.7M
Q1 25
$145.7M
$105.6M
Q4 24
$168.4M
$83.3M
Q3 24
$209.3M
$56.3M
Q2 24
$215.8M
$62.4M
Free Cash Flow
ARLP
ARLP
DUOL
DUOL
Q1 26
$13.3M
Q4 25
$99.1M
$96.6M
Q3 25
$145.2M
$79.4M
Q2 25
$84.7M
$89.5M
Q1 25
$58.9M
$104.3M
Q4 24
$75.3M
$81.4M
Q3 24
$99.0M
$53.1M
Q2 24
$114.3M
$56.8M
FCF Margin
ARLP
ARLP
DUOL
DUOL
Q1 26
2.6%
Q4 25
18.5%
34.1%
Q3 25
25.4%
29.2%
Q2 25
15.5%
35.5%
Q1 25
10.9%
45.2%
Q4 24
12.8%
38.8%
Q3 24
16.1%
27.6%
Q2 24
19.3%
31.9%
Capex Intensity
ARLP
ARLP
DUOL
DUOL
Q1 26
18.5%
Q4 25
8.4%
3.8%
Q3 25
11.3%
1.8%
Q2 25
12.2%
0.5%
Q1 25
16.1%
0.6%
Q4 24
15.8%
0.9%
Q3 24
18.0%
1.7%
Q2 24
17.1%
3.1%
Cash Conversion
ARLP
ARLP
DUOL
DUOL
Q1 26
Q4 25
1.74×
2.56×
Q3 25
2.21×
0.29×
Q2 25
2.55×
2.02×
Q1 25
1.97×
3.01×
Q4 24
10.31×
5.99×
Q3 24
2.43×
2.41×
Q2 24
2.15×
2.56×

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%

DUOL
DUOL

License And Service$242.3M86%
Advertising$20.2M7%
English Test$10.3M4%
Other$10.1M4%

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