PSIX vs. VST
PSIX (Power Solutions International, Inc.) and VST (Vistra Corp.) are both stocks. PSIX operates in Specialty Industrial Machinery (Industrials), while VST operates in Utilities - Independent Power Producers (Utilities). Over the past 5 years, PSIX returned 50.88%/yr vs 57.72%/yr for VST. At a 0.12 correlation, their price movements are largely independent.
Performance
PSIX vs. VST - Performance Comparison
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Returns By Period
In the year-to-date period, PSIX achieves a -31.59% return, which is significantly lower than VST's 0.94% return.
PSIX
- 1D
- -0.05%
- 1M
- 0.57%
- YTD
- -31.59%
- 6M
- -41.69%
- 1Y
- -35.77%
- 3Y*
- 150.06%
- 5Y*
- 50.88%
- 10Y*
- 8.29%
VST
- 1D
- -2.91%
- 1M
- 4.06%
- YTD
- 0.94%
- 6M
- 0.72%
- 1Y
- -12.49%
- 3Y*
- 88.21%
- 5Y*
- 57.72%
- 10Y*
- —
PSIX vs. VST - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PSIX Power Solutions International, Inc. | -31.59% | 92.07% | 1,351.22% | -31.67% | 0.00% | -9.09% | -58.23% | -14.59% | 23.33% | 0.00% |
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 PSIX and VST is 0.30, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.30 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.26 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.17 |
Correlation (All Time) Calculated using the full available price history since Oct 4, 2016 | 0.12 |
The correlation between PSIX and VST shifts across timeframes, from 0.12 (all time) to 0.30 (1 year), reflecting how their relationship changes across market environments.
Fundamentals
PSIX:
$4.43
VST:
$8.60
PSIX:
8.82
VST:
18.87
PSIX:
0.09
VST:
0.43
PSIX:
1.54
VST:
2.41
PSIX:
$586.96M
VST:
$17.20B
PSIX:
$172.81M
VST:
$1.12B
PSIX:
$102.78M
VST:
$4.34B
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Return for Risk
PSIX vs. VST — Risk / Return Rank
PSIX
VST
PSIX vs. VST - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Power Solutions International, Inc. (PSIX) 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.
| PSIX | VST | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.09 | ||
| Sortino ratioReturn per unit of downside risk | +0.19 | ||
| Omega ratioGain probability vs. loss probability | 1.02 | 1.00 | +0.02 |
| Calmar ratioReturn relative to maximum drawdown | -0.52 | -0.33 | -0.19 |
| Martin ratioReturn relative to average drawdown | -0.93 | -0.59 | -0.34 |
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Drawdowns
PSIX vs. VST - Drawdown Comparison
The maximum PSIX drawdown since its inception was -98.55%, which is greater than VST's maximum drawdown of -53.32%. Use the drawdown chart below to compare losses from any high point for PSIX and VST.
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Drawdown Indicators
| PSIX | VST | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -98.55% | -53.32% | -45.23% |
Max Drawdown (1Y)Largest decline over 1 year | -68.60% | -38.01% | -30.59% |
Max Drawdown (3Y)Largest decline over 3 years | -68.60% | -48.80% | -19.80% |
Max Drawdown (5Y)Largest decline over 5 years | -84.38% | -48.80% | -35.58% |
Max Drawdown (10Y)Largest decline over 10 years | -93.77% | — | — |
Current DrawdownCurrent decline from peak | -66.24% | -25.17% | -41.07% |
Average DrawdownAverage peak-to-trough decline | -68.20% | -13.75% | -54.45% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 38.32% | 21.12% | +17.20% |
Volatility
PSIX vs. VST - Volatility Comparison
Power Solutions International, Inc. (PSIX) has a higher volatility of 17.85% compared to Vistra Corp. (VST) at 14.36%. This indicates that PSIX's price experiences larger fluctuations and is considered to be riskier 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
| PSIX | VST | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 17.85% | 14.36% | +3.49% |
Volatility (6M)Calculated over the trailing 6-month period | 89.13% | 36.88% | +52.25% |
Volatility (1Y)Calculated over the trailing 1-year period | 102.18% | 48.93% | +53.25% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 113.11% | 48.04% | +65.07% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 105.98% | 42.22% | +63.76% |
Dividends
PSIX vs. VST - Dividend Comparison
PSIX has not paid dividends to shareholders, while VST's dividend yield for the trailing twelve months is around 0.56%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
PSIX Power Solutions International, 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. | 0.56% | 0.56% | 0.63% | 2.13% | 3.12% | 2.64% | 2.75% | 2.17% | 0.00% | 0.00% | 14.97% |
Financials
PSIX vs. VST - Financials Comparison
This section allows you to compare key financial metrics between Power Solutions International, 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
Frequently Asked Questions
PSIX and VST have a correlation of 0.30, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
PSIX has higher volatility (17.85%) compared to VST (14.36%). In terms of maximum drawdown, PSIX dropped -98.55% vs VST's -53.32%.
VST currently has the higher Sharpe Ratio (-0.26 vs -0.35), 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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