VST vs. TDG
VST (Vistra Corp.) and TDG (TransDigm Group Incorporated) are both stocks. VST operates in Utilities - Independent Power Producers (Utilities), while TDG operates in Aerospace & Defense (Industrials). Over the past 5 years, VST returned 54.40%/yr vs 17.95%/yr for TDG. At a 0.32 correlation, their price movements are largely independent.
Performance
VST vs. TDG - Performance Comparison
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Returns By Period
In the year-to-date period, VST achieves a -8.13% return, which is significantly lower than TDG's -5.55% return.
VST
- 1D
- 1.12%
- 1M
- 3.79%
- YTD
- -8.13%
- 6M
- -12.74%
- 1Y
- -14.43%
- 3Y*
- 83.39%
- 5Y*
- 54.40%
- 10Y*
- —
TDG
- 1D
- -0.12%
- 1M
- 4.55%
- YTD
- -5.55%
- 6M
- -2.98%
- 1Y
- -6.51%
- 3Y*
- 22.32%
- 5Y*
- 17.95%
- 10Y*
- 22.72%
VST vs. TDG - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VST Vistra Corp. | -8.13% | 17.66% | 261.52% | 70.73% | 5.08% | 19.57% | -11.87% | 2.46% | 24.95% | 18.19% |
TDG TransDigm Group Incorporated | -5.55% | 12.15% | 32.27% | 66.57% | 1.77% | 2.82% | 10.51% | 84.41% | 23.83% | 19.84% |
Correlation
The correlation between VST and TDG is 0.12, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.12 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.27 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.33 |
Correlation (All Time) Calculated using the full available price history since Oct 4, 2016 | 0.32 |
The correlation between VST and TDG shifts across timeframes, from 0.12 (1 year) to 0.33 (5 years), reflecting how their relationship changes across market environments.
Fundamentals
VST:
$8.60
TDG:
$34.79
VST:
17.20
TDG:
36.10
VST:
0.39
TDG:
1.07
VST:
2.19
TDG:
7.69
VST:
$17.20B
TDG:
$9.50B
VST:
$1.12B
TDG:
$5.61B
VST:
$4.34B
TDG:
$4.78B
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Return for Risk
VST vs. TDG — Risk / Return Rank
VST
TDG
VST vs. TDG - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vistra Corp. (VST) and TransDigm Group Incorporated (TDG). 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.
| VST | TDG | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.07 | ||
| Sortino ratioReturn per unit of downside risk | +0.01 | ||
| Omega ratioGain probability vs. loss probability | 0.99 | 0.98 | 0.00 |
| Calmar ratioReturn relative to maximum drawdown | -0.38 | -0.26 | -0.12 |
| Martin ratioReturn relative to average drawdown | -0.70 | -0.44 | -0.26 |
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Drawdowns
VST vs. TDG - Drawdown Comparison
The maximum VST drawdown since its inception was -53.32%, smaller than the maximum TDG drawdown of -62.64%. Use the drawdown chart below to compare losses from any high point for VST and TDG.
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Drawdown Indicators
| VST | TDG | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -53.32% | -62.64% | +9.32% |
Max Drawdown (1Y)Largest decline over 1 year | -38.01% | -25.30% | -12.71% |
Max Drawdown (3Y)Largest decline over 3 years | -48.80% | -25.30% | -23.50% |
Max Drawdown (5Y)Largest decline over 5 years | -48.80% | -25.30% | -23.50% |
Max Drawdown (10Y)Largest decline over 10 years | — | -62.64% | — |
Current DrawdownCurrent decline from peak | -31.89% | -17.18% | -14.71% |
Average DrawdownAverage peak-to-trough decline | -13.72% | -7.95% | -5.77% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 20.73% | 14.75% | +5.98% |
Volatility
VST vs. TDG - Volatility Comparison
Vistra Corp. (VST) has a higher volatility of 15.14% compared to TransDigm Group Incorporated (TDG) at 9.84%. This indicates that VST's price experiences larger fluctuations and is considered to be riskier than TDG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VST | TDG | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 15.14% | 9.84% | +5.30% |
Volatility (6M)Calculated over the trailing 6-month period | 37.96% | 21.88% | +16.08% |
Volatility (1Y)Calculated over the trailing 1-year period | 48.75% | 28.32% | +20.43% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 47.97% | 27.96% | +20.01% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 42.22% | 33.83% | +8.39% |
Dividends
VST vs. TDG - Dividend Comparison
VST's dividend yield for the trailing twelve months is around 0.61%, less than TDG's 7.17% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
TDG TransDigm Group Incorporated | 7.17% | 6.77% | 5.92% | 3.46% | 2.94% | 0.00% | 0.00% | 11.16% | 0.00% | 8.01% | 9.64% |
VST Vistra Corp. | 0.61% | 0.56% | 0.63% | 2.13% | 3.12% | 2.64% | 2.75% | 2.17% | 0.00% | 0.00% | 14.97% |
Financials
VST vs. TDG - Financials Comparison
This section allows you to compare key financial metrics between Vistra Corp. and TransDigm Group Incorporated. 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
VST vs. TDG - Profitability Comparison
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%.
TDG - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, TransDigm Group Incorporated reported a gross profit of 1.51B and revenue of 2.54B. Therefore, the gross margin over that period was 59.4%.
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%.
TDG - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, TransDigm Group Incorporated reported an operating income of 1.18B and revenue of 2.54B, resulting in an operating margin of 46.3%.
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%.
TDG - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, TransDigm Group Incorporated reported a net income of 535.00M and revenue of 2.54B, resulting in a net margin of 21.0%.
Frequently Asked Questions
VST and TDG have a correlation of 0.12, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
VST has higher volatility (15.14%) compared to TDG (9.84%). In terms of maximum drawdown, VST dropped -53.32% vs TDG's -62.64%.
TDG currently has the higher Sharpe Ratio (-0.23 vs -0.30), 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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