FISV vs. VST
FISV (Fiserv, Inc) and VST (Vistra Corp.) are both stocks. FISV operates in Software - Application (Technology), while VST operates in Utilities - Independent Power Producers (Utilities). Over the past 5 years, FISV returned -13.37%/yr vs 54.40%/yr for VST. At a 0.25 correlation, their price movements are largely independent.
Performance
FISV vs. VST - Performance Comparison
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Returns By Period
In the year-to-date period, FISV achieves a -19.93% return, which is significantly lower than VST's -8.13% return.
FISV
- 1D
- 1.36%
- 1M
- 0.60%
- YTD
- -19.93%
- 6M
- -21.77%
- 1Y
- -67.01%
- 3Y*
- -23.21%
- 5Y*
- -13.37%
- 10Y*
- 0.17%
VST
- 1D
- 1.12%
- 1M
- 4.31%
- YTD
- -8.13%
- 6M
- -12.74%
- 1Y
- -14.37%
- 3Y*
- 83.39%
- 5Y*
- 54.40%
- 10Y*
- —
FISV vs. VST - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
FISV Fiserv, Inc | -19.93% | -67.30% | 54.64% | 31.43% | -2.62% | -8.84% | -1.53% | 57.34% | 12.09% | 23.38% |
VST Vistra Corp. | -8.13% | 17.66% | 261.52% | 70.73% | 5.08% | 19.57% | -11.87% | 2.46% | 24.95% | 18.19% |
Correlation
The correlation between FISV and VST 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 | 0.12 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.22 |
Correlation (All Time) Calculated using the full available price history since Oct 4, 2016 | 0.25 |
The correlation between FISV and VST shifts across timeframes, from -0.05 (1 year) to 0.25 (all time), reflecting how their relationship changes across market environments.
Fundamentals
FISV:
$5.91
VST:
$8.60
FISV:
9.10
VST:
17.20
FISV:
0.25
VST:
0.39
FISV:
1.38
VST:
2.19
FISV:
$21.09B
VST:
$17.20B
FISV:
$9.52B
VST:
$1.12B
FISV:
$7.75B
VST:
$4.34B
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Return for Risk
FISV vs. VST — Risk / Return Rank
FISV
VST
FISV vs. VST - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fiserv, Inc (FISV) 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.
| FISV | VST | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.92 | ||
| Sortino ratioReturn per unit of downside risk | -1.68 | ||
| Omega ratioGain probability vs. loss probability | 0.64 | 0.99 | -0.35 |
| Calmar ratioReturn relative to maximum drawdown | -0.97 | -0.38 | -0.59 |
| Martin ratioReturn relative to average drawdown | -1.29 | -0.70 | -0.59 |
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Drawdowns
FISV vs. VST - Drawdown Comparison
The maximum FISV drawdown since its inception was -77.98%, which is greater than VST's maximum drawdown of -53.32%. Use the drawdown chart below to compare losses from any high point for FISV and VST.
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Drawdown Indicators
| FISV | VST | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -77.98% | -53.32% | -24.66% |
Max Drawdown (1Y)Largest decline over 1 year | -70.17% | -38.01% | -32.16% |
Max Drawdown (3Y)Largest decline over 3 years | -77.98% | -48.80% | -29.18% |
Max Drawdown (5Y)Largest decline over 5 years | -77.98% | -48.80% | -29.18% |
Max Drawdown (10Y)Largest decline over 10 years | -77.98% | — | — |
Current DrawdownCurrent decline from peak | -77.38% | -31.89% | -45.49% |
Average DrawdownAverage peak-to-trough decline | -11.18% | -13.72% | +2.54% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 52.85% | 20.73% | +32.12% |
Volatility
FISV vs. VST - Volatility Comparison
The current volatility for Fiserv, Inc (FISV) is 11.15%, while Vistra Corp. (VST) has a volatility of 15.14%. This indicates that FISV 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
| FISV | VST | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 11.15% | 15.14% | -3.99% |
Volatility (6M)Calculated over the trailing 6-month period | 26.49% | 37.96% | -11.47% |
Volatility (1Y)Calculated over the trailing 1-year period | 55.98% | 48.75% | +7.23% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 35.61% | 47.97% | -12.36% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 31.62% | 42.22% | -10.60% |
Dividends
FISV vs. VST - Dividend Comparison
FISV has not paid dividends to shareholders, while VST's dividend yield for the trailing twelve months is around 0.61%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
FISV Fiserv, Inc | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
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
FISV vs. VST - Financials Comparison
This section allows you to compare key financial metrics between Fiserv, 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
FISV vs. VST - Profitability Comparison
FISV - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Fiserv, Inc reported a gross profit of 0.00 and revenue of 5.03B. Therefore, the gross margin over that period was 0.0%.
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%.
FISV - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Fiserv, Inc reported an operating income of 918.00M and revenue of 5.03B, resulting in an operating margin of 18.3%.
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%.
FISV - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Fiserv, Inc reported a net income of 571.00M and revenue of 5.03B, resulting in a net margin of 11.4%.
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
FISV and VST 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.
VST has higher volatility (15.14%) compared to FISV (11.15%). In terms of maximum drawdown, FISV dropped -77.98% vs VST's -53.32%.
VST currently has the higher Sharpe Ratio (-0.30 vs -1.22), 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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