GIB vs. VST
GIB (CGI Inc) and VST (Vistra Corp.) are both stocks. GIB operates in Information Technology Services (Technology), while VST operates in Utilities - Independent Power Producers (Utilities). Over the past 5 years, GIB returned -7.10%/yr vs 57.72%/yr for VST. At a 0.21 correlation, their price movements are largely independent.
Performance
GIB vs. VST - Performance Comparison
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Returns By Period
In the year-to-date period, GIB achieves a -32.25% return, which is significantly lower than VST's 0.94% return.
GIB
- 1D
- 1.58%
- 1M
- -6.97%
- YTD
- -32.25%
- 6M
- -33.06%
- 1Y
- -40.90%
- 3Y*
- -14.80%
- 5Y*
- -7.10%
- 10Y*
- 3.79%
VST
- 1D
- -2.91%
- 1M
- 4.06%
- YTD
- 0.94%
- 6M
- 0.72%
- 1Y
- -12.49%
- 3Y*
- 88.21%
- 5Y*
- 57.72%
- 10Y*
- —
GIB vs. VST - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
GIB CGI Inc | -32.25% | -15.19% | 2.07% | 24.47% | -2.68% | 11.59% | -5.26% | 36.80% | 12.63% | 13.12% |
VST Vistra Corp. | 0.94% | 17.66% | 261.52% | 70.73% | 5.08% | 19.57% | -11.87% | 2.46% | 24.95% | 18.19% |
Correlation
The correlation between GIB and VST is -0.13, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.13 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.07 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.19 |
Correlation (All Time) Calculated using the full available price history since Oct 4, 2016 | 0.21 |
The correlation between GIB and VST shifts across timeframes, from -0.13 (1 year) to 0.21 (all time), reflecting how their relationship changes across market environments.
Fundamentals
GIB:
CA$7.65
VST:
$8.60
GIB:
11.53
VST:
18.87
GIB:
1.44
VST:
0.43
GIB:
1.18
VST:
2.41
GIB:
CA$16.35B
VST:
$17.20B
GIB:
CA$3.35B
VST:
$1.12B
GIB:
CA$2.98B
VST:
$4.34B
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Return for Risk
GIB vs. VST — Risk / Return Rank
GIB
VST
GIB vs. VST - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for CGI Inc (GIB) and Vistra Corp. (VST). 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.
| GIB | VST | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.16 | ||
| Sortino ratioReturn per unit of downside risk | -1.93 | ||
| Omega ratioGain probability vs. loss probability | 0.73 | 1.00 | -0.27 |
| Calmar ratioReturn relative to maximum drawdown | -0.98 | -0.33 | -0.65 |
| Martin ratioReturn relative to average drawdown | -1.78 | -0.59 | -1.18 |
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Drawdowns
GIB vs. VST - Drawdown Comparison
The maximum GIB drawdown since its inception was -86.78%, which is greater than VST's maximum drawdown of -53.32%. Use the drawdown chart below to compare losses from any high point for GIB and VST.
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Drawdown Indicators
| GIB | VST | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -86.78% | -53.32% | -33.46% |
Max Drawdown (1Y)Largest decline over 1 year | -41.93% | -38.01% | -3.92% |
Max Drawdown (3Y)Largest decline over 3 years | -49.54% | -48.80% | -0.74% |
Max Drawdown (5Y)Largest decline over 5 years | -49.54% | -48.80% | -0.74% |
Max Drawdown (10Y)Largest decline over 10 years | -49.54% | — | — |
Current DrawdownCurrent decline from peak | -48.70% | -25.17% | -23.53% |
Average DrawdownAverage peak-to-trough decline | -32.51% | -13.75% | -18.76% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 23.06% | 21.12% | +1.94% |
Volatility
GIB vs. VST - Volatility Comparison
The current volatility for CGI Inc (GIB) is 10.88%, while Vistra Corp. (VST) has a volatility of 14.36%. This indicates that GIB experiences smaller price fluctuations and is considered to be less risky than VST based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| GIB | VST | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 10.88% | 14.36% | -3.48% |
Volatility (6M)Calculated over the trailing 6-month period | 25.29% | 36.88% | -11.59% |
Volatility (1Y)Calculated over the trailing 1-year period | 28.92% | 48.93% | -20.01% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.04% | 48.04% | -25.00% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.70% | 42.22% | -19.52% |
Dividends
GIB vs. VST - Dividend Comparison
GIB's dividend yield for the trailing twelve months is around 0.77%, more than VST's 0.56% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
GIB CGI Inc | 0.77% | 0.48% | 0.10% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
VST Vistra Corp. | 0.56% | 0.56% | 0.63% | 2.13% | 3.12% | 2.64% | 2.75% | 2.17% | 0.00% | 0.00% | 14.97% |
Financials
GIB vs. VST - Financials Comparison
This section allows you to compare key financial metrics between CGI Inc and Vistra Corp.. 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
GIB vs. VST - Profitability Comparison
GIB - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, CGI Inc reported a gross profit of 684.28M and revenue of 4.17B. Therefore, the gross margin over that period was 16.4%.
VST - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Vistra Corp. reported a gross profit of 0.00 and revenue of 5.64B. Therefore, the gross margin over that period was 0.0%.
GIB - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, CGI Inc reported an operating income of 684.28M and revenue of 4.17B, resulting in an operating margin of 16.4%.
VST - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Vistra Corp. reported an operating income of 1.50B and revenue of 5.64B, resulting in an operating margin of 26.6%.
GIB - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, CGI Inc reported a net income of 445.87M and revenue of 4.17B, resulting in a net margin of 10.7%.
VST - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Vistra Corp. reported a net income of 980.00M and revenue of 5.64B, resulting in a net margin of 17.4%.
Frequently Asked Questions
GIB and VST have a correlation of -0.13, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
VST has higher volatility (14.36%) compared to GIB (10.88%). In terms of maximum drawdown, GIB dropped -86.78% vs VST's -53.32%.
VST currently has the higher Sharpe Ratio (-0.26 vs -1.42), 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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