T vs. CNI
T (AT&T Inc.) and CNI (Canadian National Railway Company) are both stocks. T operates in Telecom Services (Communication Services), while CNI operates in Railroads (Industrials). Over the past 10 years, T returned 3.33%/yr vs 9.51%/yr for CNI. At a 0.28 correlation, their price movements are largely independent.
Performance
T vs. CNI - Performance Comparison
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Returns By Period
In the year-to-date period, T achieves a -2.96% return, which is significantly lower than CNI's 21.78% return. Over the past 10 years, T has underperformed CNI with an annualized return of 3.33%, while CNI has yielded a comparatively higher 9.51% annualized return.
T
- 1D
- 2.52%
- 1M
- -4.69%
- YTD
- -2.96%
- 6M
- -1.93%
- 1Y
- -12.96%
- 3Y*
- 20.58%
- 5Y*
- 7.38%
- 10Y*
- 3.33%
CNI
- 1D
- 0.60%
- 1M
- 6.94%
- YTD
- 21.78%
- 6M
- 22.98%
- 1Y
- 15.90%
- 3Y*
- 3.44%
- 5Y*
- 3.57%
- 10Y*
- 9.51%
T vs. CNI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
T AT&T Inc. | -2.96% | 13.97% | 44.08% | -2.74% | 5.76% | -8.09% | -21.37% | 45.55% | -22.25% | -4.01% |
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 T and CNI is 0.05, 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 | 0.05 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.11 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.22 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.24 |
Correlation (All Time) Calculated using the full available price history since Nov 26, 1996 | 0.28 |
Over the past year, the correlation between T and CNI has dropped to 0.05 - well below their long-term average of 0.28, suggesting their price drivers have been diverging.
Fundamentals
T:
$3.04
CNI:
CA$7.60
T:
7.74
CNI:
21.89
T:
1.35
CNI:
5.96
T:
$125.65B
CNI:
CA$17.29B
T:
$105.41B
CNI:
CA$7.64B
T:
$54.70B
CNI:
CA$8.60B
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Return for Risk
T vs. CNI — Risk / Return Rank
T
CNI
T vs. CNI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for AT&T Inc. (T) 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.
| T | CNI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.32 | ||
| Sortino ratioReturn per unit of downside risk | -1.81 | ||
| Omega ratioGain probability vs. loss probability | 0.92 | 1.14 | -0.23 |
| Calmar ratioReturn relative to maximum drawdown | -0.59 | 1.13 | -1.72 |
| Martin ratioReturn relative to average drawdown | -1.22 | 2.08 | -3.30 |
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Drawdowns
T vs. CNI - Drawdown Comparison
The maximum T drawdown since its inception was -64.15%, which is greater than CNI's maximum drawdown of -46.66%. Use the drawdown chart below to compare losses from any high point for T and CNI.
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Drawdown Indicators
| T | CNI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -64.15% | -46.66% | -17.49% |
Max Drawdown (1Y)Largest decline over 1 year | -21.87% | -14.15% | -7.72% |
Max Drawdown (3Y)Largest decline over 3 years | -21.87% | -29.14% | +7.27% |
Max Drawdown (5Y)Largest decline over 5 years | -32.01% | -29.14% | -2.87% |
Max Drawdown (10Y)Largest decline over 10 years | -42.35% | -29.15% | -13.20% |
Current DrawdownCurrent decline from peak | -18.12% | -5.55% | -12.57% |
Average DrawdownAverage peak-to-trough decline | -15.72% | -9.49% | -6.23% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 10.64% | 7.68% | +2.96% |
Volatility
T vs. CNI - Volatility Comparison
AT&T Inc. (T) has a higher volatility of 8.21% compared to Canadian National Railway Company (CNI) at 4.12%. This indicates that T'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.
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Volatility by Period
| T | CNI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.21% | 4.12% | +4.09% |
Volatility (6M)Calculated over the trailing 6-month period | 17.80% | 17.30% | +0.50% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.13% | 21.90% | +0.23% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 24.01% | 22.38% | +1.63% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.73% | 22.67% | +1.06% |
Dividends
T vs. CNI - Dividend Comparison
T's dividend yield for the trailing twelve months is around 4.71%, 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% |
T AT&T Inc. | 4.71% | 4.47% | 4.87% | 6.62% | 6.66% | 8.46% | 7.23% | 5.22% | 7.01% | 5.04% | 4.51% | 5.46% |
Financials
T vs. CNI - Financials Comparison
This section allows you to compare key financial metrics between AT&T 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
Frequently Asked Questions
T and CNI have a correlation of 0.05, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
T has higher volatility (8.21%) compared to CNI (4.12%). In terms of maximum drawdown, T dropped -64.15% vs CNI's -46.66%.
CNI currently has the higher Sharpe Ratio (0.73 vs -0.59), 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.
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