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Side-by-side financial comparison of IMPERIAL OIL LTD (IMO) and Vistra Corp. (VST). Click either name above to swap in a different company.

IMPERIAL OIL LTD is the larger business by last-quarter revenue ($8.2B vs $4.8B, roughly 1.7× Vistra Corp.). Vistra Corp. runs the higher net margin — 4.8% vs 4.4%, a 0.5% gap on every dollar of revenue. On growth, Vistra Corp. posted the faster year-over-year revenue change (31.2% vs -10.5%). IMPERIAL OIL LTD produced more free cash flow last quarter ($938.8M vs $596.0M). Over the past eight quarters, Vistra Corp.'s revenue compounded faster (23.3% CAGR vs -4.2%).

Imperial Oil Limited is a Canadian petroleum company. It is Canada's second-largest integrated oil company that is also occasionally known as Imperial Esso. It is majority-owned by American oil company ExxonMobil, with a 69.6% ownership stake in the company. It is a producer of crude oil, diluted bitumen, and natural gas. Imperial Oil is one of Canada's major petroleum refiners and petrochemical producers. It supplies Esso-brand service stations.

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

IMO vs VST — Head-to-Head

Bigger by revenue
IMO
IMO
1.7× larger
IMO
$8.2B
$4.8B
VST
Growing faster (revenue YoY)
VST
VST
+41.7% gap
VST
31.2%
-10.5%
IMO
Higher net margin
VST
VST
0.5% more per $
VST
4.8%
4.4%
IMO
More free cash flow
IMO
IMO
$342.8M more FCF
IMO
$938.8M
$596.0M
VST
Faster 2-yr revenue CAGR
VST
VST
Annualised
VST
23.3%
-4.2%
IMO

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
IMO
IMO
VST
VST
Revenue
$8.2B
$4.8B
Net Profit
$359.2M
$233.0M
Gross Margin
Operating Margin
5.6%
9.9%
Net Margin
4.4%
4.8%
Revenue YoY
-10.5%
31.2%
Net Profit YoY
-59.8%
-47.2%
EPS (diluted)
$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
IMO
IMO
VST
VST
Q4 25
$8.2B
$4.8B
Q3 25
$8.8B
$4.8B
Q2 25
$8.2B
$3.8B
Q1 25
$9.1B
$4.3B
Q4 24
$9.2B
$3.7B
Q3 24
$9.7B
$4.3B
Q2 24
$9.8B
$3.6B
Q1 24
$9.0B
$3.2B
Net Profit
IMO
IMO
VST
VST
Q4 25
$359.2M
$233.0M
Q3 25
$393.5M
$652.0M
Q2 25
$692.8M
$327.0M
Q1 25
$940.2M
$-268.0M
Q4 24
$894.3M
$441.0M
Q3 24
$903.0M
$1.9B
Q2 24
$827.1M
$365.0M
Q1 24
$872.4M
$-35.0M
Operating Margin
IMO
IMO
VST
VST
Q4 25
5.6%
9.9%
Q3 25
5.8%
21.7%
Q2 25
11.1%
13.7%
Q1 25
13.5%
-2.8%
Q4 24
12.5%
16.4%
Q3 24
12.1%
59.6%
Q2 24
11.1%
22.5%
Q1 24
12.8%
2.7%
Net Margin
IMO
IMO
VST
VST
Q4 25
4.4%
4.8%
Q3 25
4.5%
13.6%
Q2 25
8.4%
8.7%
Q1 25
10.3%
-6.3%
Q4 24
9.7%
12.0%
Q3 24
9.3%
43.5%
Q2 24
8.5%
10.1%
Q1 24
9.7%
-1.1%
EPS (diluted)
IMO
IMO
VST
VST
Q4 25
$0.55
Q3 25
$1.75
Q2 25
$0.81
Q1 25
$-0.93
Q4 24
$1.09
Q3 24
$5.25
Q2 24
$0.90
Q1 24
$-0.24

Balance Sheet & Financial Strength

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

Metric
IMO
IMO
VST
VST
Cash + ST InvestmentsLiquidity on hand
$833.7M
$785.0M
Total DebtLower is stronger
$2.9B
$15.8B
Stockholders' EquityBook value
$16.2B
$5.1B
Total Assets
$30.9B
$41.5B
Debt / EquityLower = less leverage
0.18×
3.11×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IMO
IMO
VST
VST
Q4 25
$833.7M
$785.0M
Q3 25
$1.4B
$602.0M
Q2 25
$1.7B
$458.0M
Q1 25
$1.3B
$561.0M
Q4 24
$714.7M
$1.2B
Q3 24
$1.1B
$905.0M
Q2 24
$1.5B
$1.6B
Q1 24
$858.5M
$1.1B
Total Debt
IMO
IMO
VST
VST
Q4 25
$2.9B
$15.8B
Q3 25
$2.9B
$15.8B
Q2 25
$2.9B
$15.5B
Q1 25
$2.9B
$15.4B
Q4 24
$2.9B
$15.4B
Q3 24
$2.9B
$13.9B
Q2 24
$2.9B
$13.9B
Q1 24
$2.9B
$14.7B
Stockholders' Equity
IMO
IMO
VST
VST
Q4 25
$16.2B
$5.1B
Q3 25
$17.3B
$5.2B
Q2 25
$18.2B
$4.8B
Q1 25
$17.8B
$4.8B
Q4 24
$17.1B
$5.6B
Q3 24
$17.3B
$5.4B
Q2 24
$17.5B
$5.6B
Q1 24
$16.9B
$5.7B
Total Assets
IMO
IMO
VST
VST
Q4 25
$30.9B
$41.5B
Q3 25
$31.4B
$38.0B
Q2 25
$32.2B
$38.1B
Q1 25
$32.0B
$38.2B
Q4 24
$31.3B
$37.8B
Q3 24
$31.0B
$37.9B
Q2 24
$32.2B
$39.1B
Q1 24
$31.0B
$38.2B
Debt / Equity
IMO
IMO
VST
VST
Q4 25
0.18×
3.11×
Q3 25
0.17×
3.02×
Q2 25
0.16×
3.22×
Q1 25
0.16×
3.20×
Q4 24
0.17×
2.77×
Q3 24
0.17×
2.56×
Q2 24
0.17×
2.49×
Q1 24
0.17×
2.60×

Cash Flow & Capital Efficiency

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

Metric
IMO
IMO
VST
VST
Operating Cash FlowLast quarter
$1.4B
$1.4B
Free Cash FlowOCF − Capex
$938.8M
$596.0M
FCF MarginFCF / Revenue
11.4%
12.4%
Capex IntensityCapex / Revenue
5.6%
17.4%
Cash ConversionOCF / Net Profit
3.90×
6.15×
TTM Free Cash FlowTrailing 4 quarters
$3.4B
$1.3B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IMO
IMO
VST
VST
Q4 25
$1.4B
$1.4B
Q3 25
$1.3B
$1.5B
Q2 25
$1.1B
$572.0M
Q1 25
$1.1B
$599.0M
Q4 24
$1.3B
$1.4B
Q3 24
$1.1B
$1.7B
Q2 24
$1.2B
$1.2B
Q1 24
$785.5M
$312.0M
Free Cash Flow
IMO
IMO
VST
VST
Q4 25
$938.8M
$596.0M
Q3 25
$944.6M
$1.0B
Q2 25
$725.6M
$-118.0M
Q1 25
$824.2M
$-169.0M
Q4 24
$997.2M
$923.0M
Q3 24
$730.7M
$1.0B
Q2 24
$852.6M
$698.0M
Q1 24
$422.7M
$-153.0M
FCF Margin
IMO
IMO
VST
VST
Q4 25
11.4%
12.4%
Q3 25
10.7%
21.1%
Q2 25
8.8%
-3.1%
Q1 25
9.0%
-4.0%
Q4 24
10.8%
25.2%
Q3 24
7.5%
23.4%
Q2 24
8.7%
19.4%
Q1 24
4.7%
-4.8%
Capex Intensity
IMO
IMO
VST
VST
Q4 25
5.6%
17.4%
Q3 25
4.2%
9.6%
Q2 25
4.2%
18.4%
Q1 25
3.2%
18.1%
Q4 24
3.4%
11.7%
Q3 24
3.7%
15.8%
Q2 24
3.4%
13.8%
Q1 24
4.0%
14.7%
Cash Conversion
IMO
IMO
VST
VST
Q4 25
3.90×
6.15×
Q3 25
3.34×
2.25×
Q2 25
1.54×
1.75×
Q1 25
1.19×
Q4 24
1.46×
3.07×
Q3 24
1.20×
0.90×
Q2 24
1.44×
3.28×
Q1 24
0.90×

Financial Flow Comparison

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

Revenue Breakdown by Segment

IMO
IMO

Segment breakdown not available.

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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