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Side-by-side financial comparison of DENNY'S Corp (DENN) and OPAL Fuels Inc. (OPAL). Click either name above to swap in a different company.

DENNY'S Corp is the larger business by last-quarter revenue ($113.2M vs $88.4M, roughly 1.3× OPAL Fuels Inc.). OPAL Fuels Inc. runs the higher net margin — 18.3% vs 0.6%, a 17.7% gap on every dollar of revenue. On growth, OPAL Fuels Inc. posted the faster year-over-year revenue change (18.7% vs 1.3%). DENNY'S Corp produced more free cash flow last quarter ($16.0M vs $-13.4M). Over the past eight quarters, OPAL Fuels Inc.'s revenue compounded faster (17.6% CAGR vs -0.9%).

Denny's is an American table service diner-style restaurant chain. It operates over 1,400 restaurants in the United States, Canada, México, Puerto Rico, and several other international locations.

OPAL Fuels Inc. is a North American energy company focused on producing and distributing low-carbon renewable natural gas (RNG). It captures methane from landfills, dairy operations and other organic waste streams to produce RNG, which is mainly supplied to heavy-duty transportation fleets, commercial logistics operators and public transport entities to help reduce their greenhouse gas emissions.

DENN vs OPAL — Head-to-Head

Bigger by revenue
DENN
DENN
1.3× larger
DENN
$113.2M
$88.4M
OPAL
Growing faster (revenue YoY)
OPAL
OPAL
+17.4% gap
OPAL
18.7%
1.3%
DENN
Higher net margin
OPAL
OPAL
17.7% more per $
OPAL
18.3%
0.6%
DENN
More free cash flow
DENN
DENN
$29.3M more FCF
DENN
$16.0M
$-13.4M
OPAL
Faster 2-yr revenue CAGR
OPAL
OPAL
Annualised
OPAL
17.6%
-0.9%
DENN

Income Statement — Q3 FY2025 vs Q4 FY2025

Metric
DENN
DENN
OPAL
OPAL
Revenue
$113.2M
$88.4M
Net Profit
$632.0K
$16.2M
Gross Margin
Operating Margin
9.2%
7.5%
Net Margin
0.6%
18.3%
Revenue YoY
1.3%
18.7%
Net Profit YoY
-90.3%
401.5%
EPS (diluted)
$0.01
$0.08

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
DENN
DENN
OPAL
OPAL
Q4 25
$88.4M
Q3 25
$113.2M
$77.9M
Q2 25
$117.7M
$77.4M
Q1 25
$111.6M
$83.0M
Q4 24
$114.7M
$74.5M
Q3 24
$111.8M
$82.6M
Q2 24
$115.9M
$69.8M
Q1 24
$110.0M
$64.0M
Net Profit
DENN
DENN
OPAL
OPAL
Q4 25
$16.2M
Q3 25
$632.0K
$11.4M
Q2 25
$2.5M
$7.6M
Q1 25
$326.0K
$1.3M
Q4 24
$6.8M
$-5.4M
Q3 24
$6.5M
$17.1M
Q2 24
$3.6M
$1.9M
Q1 24
$4.7M
$677.0K
Operating Margin
DENN
DENN
OPAL
OPAL
Q4 25
7.5%
Q3 25
9.2%
4.6%
Q2 25
7.3%
-1.1%
Q1 25
4.7%
-2.3%
Q4 24
12.6%
-0.5%
Q3 24
10.5%
14.9%
Q2 24
7.9%
8.1%
Q1 24
9.1%
5.6%
Net Margin
DENN
DENN
OPAL
OPAL
Q4 25
18.3%
Q3 25
0.6%
14.6%
Q2 25
2.1%
9.8%
Q1 25
0.3%
1.5%
Q4 24
5.9%
-7.2%
Q3 24
5.8%
20.7%
Q2 24
3.1%
2.7%
Q1 24
4.3%
1.1%
EPS (diluted)
DENN
DENN
OPAL
OPAL
Q4 25
$0.08
Q3 25
$0.01
$0.05
Q2 25
$0.05
$0.03
Q1 25
$0.01
$-0.01
Q4 24
$0.13
$-0.05
Q3 24
$0.12
$0.09
Q2 24
$0.07
$-0.01
Q1 24
$0.09
$-0.01

Balance Sheet & Financial Strength

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

Metric
DENN
DENN
OPAL
OPAL
Cash + ST InvestmentsLiquidity on hand
$24.4M
Total DebtLower is stronger
$361.3M
Stockholders' EquityBook value
$-32.7M
$-12.9M
Total Assets
$502.9M
$959.5M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DENN
DENN
OPAL
OPAL
Q4 25
$24.4M
Q3 25
$29.9M
Q2 25
$29.3M
Q1 25
$1.1M
$40.1M
Q4 24
$100.0K
$24.3M
Q3 24
$2.9M
$31.0M
Q2 24
$2.8M
$27.6M
Q1 24
$2.8M
$34.2M
Total Debt
DENN
DENN
OPAL
OPAL
Q4 25
$361.3M
Q3 25
$351.2M
Q2 25
$331.6M
Q1 25
$307.0M
Q4 24
$270.6M
$307.5M
Q3 24
$252.9M
Q2 24
$233.3M
Q1 24
$208.7M
Stockholders' Equity
DENN
DENN
OPAL
OPAL
Q4 25
$-12.9M
Q3 25
$-32.7M
$7.5M
Q2 25
$-34.6M
$-25.0M
Q1 25
$-36.4M
$57.1M
Q4 24
$-34.0M
$-148.4M
Q3 24
$-54.5M
$-180.1M
Q2 24
$-53.2M
$-273.0M
Q1 24
$-55.7M
$-382.4M
Total Assets
DENN
DENN
OPAL
OPAL
Q4 25
$959.5M
Q3 25
$502.9M
$916.7M
Q2 25
$491.1M
$905.5M
Q1 25
$488.1M
$884.9M
Q4 24
$496.3M
$881.1M
Q3 24
$461.6M
$831.1M
Q2 24
$459.9M
$782.3M
Q1 24
$460.4M
$750.5M
Debt / Equity
DENN
DENN
OPAL
OPAL
Q4 25
Q3 25
46.95×
Q2 25
Q1 25
5.38×
Q4 24
Q3 24
Q2 24
Q1 24

Cash Flow & Capital Efficiency

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

Metric
DENN
DENN
OPAL
OPAL
Operating Cash FlowLast quarter
$16.0M
$-3.5M
Free Cash FlowOCF − Capex
$16.0M
$-13.4M
FCF MarginFCF / Revenue
14.1%
-15.1%
Capex IntensityCapex / Revenue
0.0%
11.1%
Cash ConversionOCF / Net Profit
25.28×
-0.22×
TTM Free Cash FlowTrailing 4 quarters
$-34.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DENN
DENN
OPAL
OPAL
Q4 25
$-3.5M
Q3 25
$16.0M
$18.2M
Q2 25
$9.4M
$-7.9M
Q1 25
$5.0M
$29.7M
Q4 24
$8.5M
$-532.0K
Q3 24
$6.6M
$17.7M
Q2 24
$14.2M
$533.0K
Q1 24
$215.0K
$13.7M
Free Cash Flow
DENN
DENN
OPAL
OPAL
Q4 25
$-13.4M
Q3 25
$16.0M
$-9.3M
Q2 25
$-29.7M
Q1 25
$18.1M
Q4 24
$-55.0M
Q3 24
$-5.4M
Q2 24
$-22.5M
Q1 24
$-13.0M
FCF Margin
DENN
DENN
OPAL
OPAL
Q4 25
-15.1%
Q3 25
14.1%
-11.9%
Q2 25
-38.4%
Q1 25
21.8%
Q4 24
-73.8%
Q3 24
-6.5%
Q2 24
-32.2%
Q1 24
-20.4%
Capex Intensity
DENN
DENN
OPAL
OPAL
Q4 25
11.1%
Q3 25
0.0%
35.3%
Q2 25
28.2%
Q1 25
13.9%
Q4 24
73.1%
Q3 24
0.0%
27.9%
Q2 24
32.9%
Q1 24
41.8%
Cash Conversion
DENN
DENN
OPAL
OPAL
Q4 25
-0.22×
Q3 25
25.28×
1.60×
Q2 25
3.79×
-1.04×
Q1 25
15.38×
23.11×
Q4 24
1.26×
Q3 24
1.01×
1.03×
Q2 24
3.97×
0.28×
Q1 24
0.05×
20.26×

Financial Flow Comparison

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

Revenue Breakdown by Segment

DENN
DENN

Franchisor Owned Outlet$57.4M51%
Royalty$27.7M25%
Advertising$18.6M16%
Occupancy$7.7M7%
Initial And Other Fees$1.7M1%

OPAL
OPAL

Fuel Station Services Segment$65.1M74%
Related Party$12.1M14%
Renewable Power Segment$8.6M10%
Other$2.6M3%

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