SU vs. CNI
SU (Suncor Energy Inc.) and CNI (Canadian National Railway Company) are both stocks. SU operates in Oil & Gas Integrated (Energy), while CNI operates in Railroads (Industrials). Over the past 10 years, SU returned 13.39%/yr vs 9.51%/yr for CNI. At a 0.38 correlation, their price movements are largely independent.
Performance
SU vs. CNI - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, SU achieves a 40.87% return, which is significantly higher than CNI's 21.78% return. Over the past 10 years, SU has outperformed CNI with an annualized return of 13.39%, while CNI has yielded a comparatively lower 9.51% annualized return.
SU
- 1D
- -0.32%
- 1M
- -9.20%
- YTD
- 40.87%
- 6M
- 40.84%
- 1Y
- 55.65%
- 3Y*
- 32.55%
- 5Y*
- 25.10%
- 10Y*
- 13.39%
CNI
- 1D
- 0.60%
- 1M
- 7.01%
- YTD
- 21.78%
- 6M
- 22.98%
- 1Y
- 17.55%
- 3Y*
- 3.44%
- 5Y*
- 3.57%
- 10Y*
- 9.51%
SU vs. CNI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
SU Suncor Energy Inc. | 40.87% | 29.69% | 16.22% | 6.40% | 32.31% | 54.94% | -46.67% | 22.10% | -21.27% | 17.86% |
CNI Canadian National Railway Company | 21.78% | -0.10% | -17.51% | 7.84% | -1.86% | 13.70% | 23.66% | 24.26% | -8.49% | 25.03% |
Correlation
The correlation between SU and CNI is 0.04, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.04 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.24 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.31 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.36 |
Correlation (All Time) Calculated using the full available price history since Nov 26, 1996 | 0.38 |
Over the past year, the correlation between SU and CNI has dropped to 0.04 - well below their long-term average of 0.38, suggesting their price drivers have been diverging.
Fundamentals
SU:
$73.24B
CNI:
$72.80B
SU:
CA$5.24
CNI:
CA$7.60
SU:
16.42
CNI:
21.89
SU:
2.00
CNI:
5.96
SU:
2.24
CNI:
4.73
SU:
CA$52.01B
CNI:
CA$17.29B
SU:
CA$28.85B
CNI:
CA$7.64B
SU:
CA$16.36B
CNI:
CA$8.60B
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
SU vs. CNI — Risk / Return Rank
SU
CNI
SU vs. CNI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Suncor Energy Inc. (SU) and Canadian National Railway Company (CNI). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| SU | CNI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.87 | ||
| Sortino ratioReturn per unit of downside risk | +2.08 | ||
| Omega ratioGain probability vs. loss probability | 1.42 | 1.14 | +0.27 |
| Calmar ratioReturn relative to maximum drawdown | 5.44 | 1.13 | +4.31 |
| Martin ratioReturn relative to average drawdown | 14.28 | 2.08 | +12.20 |
Loading charts...
Drawdowns
SU vs. CNI - Drawdown Comparison
The maximum SU drawdown since its inception was -80.22%, which is greater than CNI's maximum drawdown of -46.66%. Use the drawdown chart below to compare losses from any high point for SU and CNI.
Loading charts...
Drawdown Indicators
| SU | CNI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -80.22% | -46.66% | -33.56% |
Max Drawdown (1Y)Largest decline over 1 year | -11.65% | -14.15% | +2.50% |
Max Drawdown (3Y)Largest decline over 3 years | -22.42% | -29.14% | +6.72% |
Max Drawdown (5Y)Largest decline over 5 years | -36.58% | -29.14% | -7.44% |
Max Drawdown (10Y)Largest decline over 10 years | -73.54% | -29.15% | -44.39% |
Current DrawdownCurrent decline from peak | -11.07% | -5.55% | -5.52% |
Average DrawdownAverage peak-to-trough decline | -27.40% | -9.49% | -17.91% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.43% | 7.68% | -3.25% |
Volatility
SU vs. CNI - Volatility Comparison
Suncor Energy Inc. (SU) has a higher volatility of 9.48% compared to Canadian National Railway Company (CNI) at 4.12%. This indicates that SU's price experiences larger fluctuations and is considered to be riskier than CNI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| SU | CNI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 9.48% | 4.12% | +5.36% |
Volatility (6M)Calculated over the trailing 6-month period | 19.83% | 17.30% | +2.53% |
Volatility (1Y)Calculated over the trailing 1-year period | 24.41% | 21.90% | +2.51% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 32.95% | 22.38% | +10.57% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 36.91% | 22.67% | +14.24% |
Dividends
SU vs. CNI - Dividend Comparison
SU's dividend yield for the trailing twelve months is around 2.78%, more than CNI's 2.20% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CNI Canadian National Railway Company | 2.20% | 2.58% | 2.43% | 1.85% | 1.41% | 1.61% | 1.59% | 1.79% | 2.01% | 2.00% | 2.23% | 2.24% |
SU Suncor Energy Inc. | 2.78% | 3.72% | 4.51% | 5.27% | 4.56% | 3.34% | 4.93% | 3.84% | 4.24% | 4.16% | 3.55% | 4.42% |
Financials
SU vs. CNI - Financials Comparison
This section allows you to compare key financial metrics between Suncor Energy Inc. and Canadian National Railway Company. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
SU vs. CNI - Profitability Comparison
SU - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Suncor Energy Inc. reported a gross profit of 7.53B and revenue of 15.42B. Therefore, the gross margin over that period was 48.8%.
CNI - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Canadian National Railway Company reported a gross profit of 1.88B and revenue of 4.39B. Therefore, the gross margin over that period was 42.8%.
SU - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Suncor Energy Inc. reported an operating income of 2.90B and revenue of 15.42B, resulting in an operating margin of 18.8%.
CNI - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Canadian National Railway Company reported an operating income of 1.55B and revenue of 4.39B, resulting in an operating margin of 35.4%.
SU - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Suncor Energy Inc. reported a net income of 2.10B and revenue of 15.42B, resulting in a net margin of 13.6%.
CNI - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Canadian National Railway Company reported a net income of 1.15B and revenue of 4.39B, resulting in a net margin of 26.2%.
Frequently Asked Questions
SU and CNI have a correlation of 0.04, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SU has higher volatility (9.48%) compared to CNI (4.12%). In terms of maximum drawdown, SU dropped -80.22% vs CNI's -46.66%.
SU currently has the higher Sharpe Ratio (2.60 vs 0.73), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
Find the right allocation for SU and CNI
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer