AEP vs. VST
AEP (American Electric Power Company, Inc.) and VST (Vistra Corp.) are both stocks. Both are in the Utilities sector — AEP in Utilities - Regulated Electric, VST in Utilities - Independent Power Producers. Over the past 5 years, AEP returned 14.10%/yr vs 57.72%/yr for VST. At a 0.23 correlation, their price movements are largely independent.
Performance
AEP vs. VST - Performance Comparison
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Returns By Period
In the year-to-date period, AEP achieves a 17.75% return, which is significantly higher than VST's 0.94% return.
AEP
- 1D
- 2.64%
- 1M
- 1.63%
- YTD
- 17.75%
- 6M
- 17.91%
- 1Y
- 33.55%
- 3Y*
- 21.41%
- 5Y*
- 14.10%
- 10Y*
- 10.94%
VST
- 1D
- -2.91%
- 1M
- 4.06%
- YTD
- 0.94%
- 6M
- 0.72%
- 1Y
- -12.49%
- 3Y*
- 88.21%
- 5Y*
- 57.72%
- 10Y*
- —
AEP vs. VST - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AEP American Electric Power Company, Inc. | 17.75% | 29.38% | 18.18% | -10.98% | 10.38% | 10.68% | -9.01% | 30.52% | 5.38% | 20.95% |
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 AEP and VST is 0.17, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.17 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.08 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.20 |
Correlation (All Time) Calculated using the full available price history since Oct 4, 2016 | 0.23 |
The correlation between AEP and VST shifts across timeframes, from 0.08 (3 years) to 0.23 (all time), reflecting how their relationship changes across market environments.
Fundamentals
AEP:
$6.82
VST:
$8.60
AEP:
19.60
VST:
18.87
AEP:
2.20
VST:
0.43
AEP:
3.23
VST:
2.41
AEP:
$22.16B
VST:
$17.20B
AEP:
$8.95B
VST:
$1.12B
AEP:
$8.70B
VST:
$4.34B
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Return for Risk
AEP vs. VST — Risk / Return Rank
AEP
VST
AEP vs. VST - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Electric Power Company, Inc. (AEP) 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.
| AEP | VST | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.08 | ||
| Sortino ratioReturn per unit of downside risk | +2.71 | ||
| Omega ratioGain probability vs. loss probability | 1.33 | 1.00 | +0.33 |
| Calmar ratioReturn relative to maximum drawdown | 3.71 | -0.33 | +4.04 |
| Martin ratioReturn relative to average drawdown | 9.08 | -0.59 | +9.67 |
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Drawdowns
AEP vs. VST - Drawdown Comparison
The maximum AEP drawdown since its inception was -62.75%, which is greater than VST's maximum drawdown of -53.32%. Use the drawdown chart below to compare losses from any high point for AEP and VST.
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Drawdown Indicators
| AEP | VST | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -62.75% | -53.32% | -9.43% |
Max Drawdown (1Y)Largest decline over 1 year | -9.09% | -38.01% | +28.92% |
Max Drawdown (3Y)Largest decline over 3 years | -18.04% | -48.80% | +30.76% |
Max Drawdown (5Y)Largest decline over 5 years | -29.56% | -48.80% | +19.24% |
Max Drawdown (10Y)Largest decline over 10 years | -32.91% | — | — |
Current DrawdownCurrent decline from peak | -1.78% | -25.17% | +23.39% |
Average DrawdownAverage peak-to-trough decline | -17.54% | -13.75% | -3.79% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.71% | 21.12% | -17.41% |
Volatility
AEP vs. VST - Volatility Comparison
The current volatility for American Electric Power Company, Inc. (AEP) is 6.34%, while Vistra Corp. (VST) has a volatility of 14.36%. This indicates that AEP 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
| AEP | VST | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.34% | 14.36% | -8.02% |
Volatility (6M)Calculated over the trailing 6-month period | 13.62% | 36.88% | -23.26% |
Volatility (1Y)Calculated over the trailing 1-year period | 18.56% | 48.93% | -30.37% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 20.03% | 48.04% | -28.01% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.00% | 42.22% | -21.22% |
Dividends
AEP vs. VST - Dividend Comparison
AEP's dividend yield for the trailing twelve months is around 2.83%, more than VST's 0.56% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AEP American Electric Power Company, Inc. | 2.83% | 3.24% | 3.87% | 4.15% | 3.34% | 3.37% | 3.41% | 2.87% | 3.39% | 3.25% | 3.61% | 3.69% |
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% | 0.00% |
Financials
AEP vs. VST - Financials Comparison
This section allows you to compare key financial metrics between American Electric Power Company, 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
AEP vs. VST - Profitability Comparison
AEP - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, American Electric Power Company, Inc. reported a gross profit of 3.90B and revenue of 6.02B. Therefore, the gross margin over that period was 64.8%.
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%.
AEP - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, American Electric Power Company, Inc. reported an operating income of 1.36B and revenue of 6.02B, resulting in an operating margin of 22.6%.
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%.
AEP - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, American Electric Power Company, Inc. reported a net income of 874.00M and revenue of 6.02B, resulting in a net margin of 14.5%.
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
AEP and VST have a correlation of 0.17, 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 AEP (6.34%). In terms of maximum drawdown, AEP dropped -62.75% vs VST's -53.32%.
AEP currently has the higher Sharpe Ratio (1.82 vs -0.26), 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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