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Side-by-side financial comparison of Diamondback Energy (FANG) and Vistra Corp. (VST). Click either name above to swap in a different company.

Vistra Corp. is the larger business by last-quarter revenue ($4.8B vs $4.2B, roughly 1.1× Diamondback Energy). Vistra Corp. runs the higher net margin — 4.8% vs 0.6%, a 4.3% gap on every dollar of revenue. On growth, Vistra Corp. posted the faster year-over-year revenue change (31.2% vs 4.7%). Diamondback Energy produced more free cash flow last quarter ($1.7B vs $596.0M). Over the past eight quarters, Diamondback Energy's revenue compounded faster (30.7% CAGR vs 23.3%).

Diamondback Energy, headquartered in Midland, Texas, is an American company engaged in hydrocarbon exploration in the Permian Basin.

Vistra may refer to either of two companies:Vistra, a corporate services company based in Hong Kong Vistra Corp, an energy company based in Texas

FANG vs VST — Head-to-Head

Bigger by revenue
VST
VST
1.1× larger
VST
$4.8B
$4.2B
FANG
Growing faster (revenue YoY)
VST
VST
+26.5% gap
VST
31.2%
4.7%
FANG
Higher net margin
VST
VST
4.3% more per $
VST
4.8%
0.6%
FANG
More free cash flow
FANG
FANG
$1.1B more FCF
FANG
$1.7B
$596.0M
VST
Faster 2-yr revenue CAGR
FANG
FANG
Annualised
FANG
30.7%
23.3%
VST

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
FANG
FANG
VST
VST
Revenue
$4.2B
$4.8B
Net Profit
$25.0M
$233.0M
Gross Margin
Operating Margin
2.7%
9.9%
Net Margin
0.6%
4.8%
Revenue YoY
4.7%
31.2%
Net Profit YoY
38.4%
-47.2%
EPS (diluted)
$0.08
$0.55

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
FANG
FANG
VST
VST
Q1 26
$4.2B
Q4 25
$3.4B
$4.8B
Q3 25
$3.9B
$4.8B
Q2 25
$3.7B
$3.8B
Q1 25
$4.0B
$4.3B
Q4 24
$3.7B
$3.7B
Q3 24
$2.6B
$4.3B
Q2 24
$2.5B
$3.6B
Net Profit
FANG
FANG
VST
VST
Q1 26
$25.0M
Q4 25
$-1.5B
$233.0M
Q3 25
$1.0B
$652.0M
Q2 25
$699.0M
$327.0M
Q1 25
$1.4B
$-268.0M
Q4 24
$1.1B
$441.0M
Q3 24
$659.0M
$1.9B
Q2 24
$837.0M
$365.0M
Operating Margin
FANG
FANG
VST
VST
Q1 26
2.7%
Q4 25
-82.4%
9.9%
Q3 25
31.5%
21.7%
Q2 25
31.0%
13.7%
Q1 25
41.3%
-2.8%
Q4 24
38.0%
16.4%
Q3 24
26.8%
59.6%
Q2 24
46.6%
22.5%
Net Margin
FANG
FANG
VST
VST
Q1 26
0.6%
Q4 25
-43.2%
4.8%
Q3 25
25.9%
13.6%
Q2 25
19.0%
8.7%
Q1 25
34.7%
-6.3%
Q4 24
28.9%
12.0%
Q3 24
24.9%
43.5%
Q2 24
33.7%
10.1%
EPS (diluted)
FANG
FANG
VST
VST
Q1 26
$0.08
Q4 25
$-4.99
$0.55
Q3 25
$3.51
$1.75
Q2 25
$2.38
$0.81
Q1 25
$4.83
$-0.93
Q4 24
$3.40
$1.09
Q3 24
$3.19
$5.25
Q2 24
$4.66
$0.90

Balance Sheet & Financial Strength

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

Metric
FANG
FANG
VST
VST
Cash + ST InvestmentsLiquidity on hand
$-174.0M
$785.0M
Total DebtLower is stronger
$15.8B
Stockholders' EquityBook value
$42.6B
$5.1B
Total Assets
$70.1B
$41.5B
Debt / EquityLower = less leverage
3.11×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FANG
FANG
VST
VST
Q1 26
$-174.0M
Q4 25
$104.0M
$785.0M
Q3 25
$159.0M
$602.0M
Q2 25
$219.0M
$458.0M
Q1 25
$1.8B
$561.0M
Q4 24
$161.0M
$1.2B
Q3 24
$370.0M
$905.0M
Q2 24
$6.9B
$1.6B
Total Debt
FANG
FANG
VST
VST
Q1 26
Q4 25
$13.7B
$15.8B
Q3 25
$15.8B
$15.8B
Q2 25
$15.1B
$15.5B
Q1 25
$13.0B
$15.4B
Q4 24
$12.1B
$15.4B
Q3 24
$11.9B
$13.9B
Q2 24
$12.0B
$13.9B
Stockholders' Equity
FANG
FANG
VST
VST
Q1 26
$42.6B
Q4 25
$37.0B
$5.1B
Q3 25
$39.1B
$5.2B
Q2 25
$38.9B
$4.8B
Q1 25
$38.5B
$4.8B
Q4 24
$37.7B
$5.6B
Q3 24
$37.4B
$5.4B
Q2 24
$17.4B
$5.6B
Total Assets
FANG
FANG
VST
VST
Q1 26
$70.1B
Q4 25
$71.1B
$41.5B
Q3 25
$76.2B
$38.0B
Q2 25
$71.9B
$38.1B
Q1 25
$70.1B
$38.2B
Q4 24
$67.3B
$37.8B
Q3 24
$65.7B
$37.9B
Q2 24
$35.6B
$39.1B
Debt / Equity
FANG
FANG
VST
VST
Q1 26
Q4 25
0.37×
3.11×
Q3 25
0.41×
3.02×
Q2 25
0.39×
3.22×
Q1 25
0.34×
3.20×
Q4 24
0.32×
2.77×
Q3 24
0.32×
2.56×
Q2 24
0.69×
2.49×

Cash Flow & Capital Efficiency

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

Metric
FANG
FANG
VST
VST
Operating Cash FlowLast quarter
$1.8B
$1.4B
Free Cash FlowOCF − Capex
$1.7B
$596.0M
FCF MarginFCF / Revenue
40.2%
12.4%
Capex IntensityCapex / Revenue
27.9%
17.4%
Cash ConversionOCF / Net Profit
73.12×
6.15×
TTM Free Cash FlowTrailing 4 quarters
$1.3B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FANG
FANG
VST
VST
Q1 26
$1.8B
Q4 25
$2.3B
$1.4B
Q3 25
$2.4B
$1.5B
Q2 25
$1.7B
$572.0M
Q1 25
$2.4B
$599.0M
Q4 24
$2.3B
$1.4B
Q3 24
$1.2B
$1.7B
Q2 24
$1.5B
$1.2B
Free Cash Flow
FANG
FANG
VST
VST
Q1 26
$1.7B
Q4 25
$596.0M
Q3 25
$1.0B
Q2 25
$-118.0M
Q1 25
$-169.0M
Q4 24
$923.0M
Q3 24
$1.0B
Q2 24
$698.0M
FCF Margin
FANG
FANG
VST
VST
Q1 26
40.2%
Q4 25
12.4%
Q3 25
21.1%
Q2 25
-3.1%
Q1 25
-4.0%
Q4 24
25.2%
Q3 24
23.4%
Q2 24
19.4%
Capex Intensity
FANG
FANG
VST
VST
Q1 26
27.9%
Q4 25
17.4%
Q3 25
9.6%
Q2 25
18.4%
Q1 25
18.1%
Q4 24
11.7%
Q3 24
15.8%
Q2 24
13.8%
Cash Conversion
FANG
FANG
VST
VST
Q1 26
73.12×
Q4 25
6.15×
Q3 25
2.34×
2.25×
Q2 25
2.40×
1.75×
Q1 25
1.68×
Q4 24
2.18×
3.07×
Q3 24
1.83×
0.90×
Q2 24
1.83×
3.28×

Financial Flow Comparison

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

Revenue Breakdown by Segment

FANG
FANG

Oil, natural gas and natural gas liquid sales$3.8B90%
Sales of purchased oil$385.0M9%

VST
VST

Retail Energy Charge In ERCOT$2.1B43%
Retail Energy Charge In Northeast Midwest$1.2B24%
East Segment$1.1B24%
Hedging Revenue Realized$170.0M4%
Revenue From Other Wholesale Contracts$116.0M2%
Transferable Production Tax Credit Revenues$78.0M2%
West Segment$77.0M2%
Intersegment Sales$25.0M1%

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