VST vs. TSEM
VST (Vistra Corp.) and TSEM (Tower Semiconductor Ltd) are both stocks. VST operates in Utilities - Independent Power Producers (Utilities), while TSEM operates in Semiconductors (Technology). Over the past 5 years, VST returned 57.72%/yr vs 57.62%/yr for TSEM. At a 0.22 correlation, their price movements are largely independent.
Performance
VST vs. TSEM - Performance Comparison
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Returns By Period
In the year-to-date period, VST achieves a 0.94% return, which is significantly lower than TSEM's 140.72% return.
VST
- 1D
- -2.91%
- 1M
- 4.06%
- YTD
- 0.94%
- 6M
- 0.72%
- 1Y
- -12.49%
- 3Y*
- 88.21%
- 5Y*
- 57.72%
- 10Y*
- —
TSEM
- 1D
- -10.79%
- 1M
- -0.28%
- YTD
- 140.72%
- 6M
- 133.42%
- 1Y
- 604.69%
- 3Y*
- 94.28%
- 5Y*
- 57.62%
- 10Y*
- 37.14%
VST vs. TSEM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VST Vistra Corp. | 0.94% | 17.66% | 261.52% | 70.73% | 5.08% | 19.57% | -11.87% | 2.46% | 24.95% | 18.19% |
TSEM Tower Semiconductor Ltd | 140.72% | 127.96% | 68.77% | -29.35% | 8.87% | 53.68% | 7.32% | 63.23% | -56.75% | 79.09% |
Correlation
The correlation between VST and TSEM is 0.32, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.32 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.28 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.26 |
Correlation (All Time) Calculated using the full available price history since Oct 4, 2016 | 0.22 |
Fundamentals
VST:
$8.60
TSEM:
$2.15
VST:
18.87
TSEM:
131.20
VST:
0.43
TSEM:
4.63
VST:
2.41
TSEM:
19.85
VST:
$17.20B
TSEM:
$1.62B
VST:
$1.12B
TSEM:
$401.63M
VST:
$4.34B
TSEM:
$571.93M
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Return for Risk
VST vs. TSEM — Risk / Return Rank
VST
TSEM
VST vs. TSEM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vistra Corp. (VST) and Tower Semiconductor Ltd (TSEM). 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 | TSEM | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -8.86 | ||
| Sortino ratioReturn per unit of downside risk | -5.78 | ||
| Omega ratioGain probability vs. loss probability | 1.00 | 1.75 | -0.76 |
| Calmar ratioReturn relative to maximum drawdown | -0.33 | 24.37 | -24.70 |
| Martin ratioReturn relative to average drawdown | -0.59 | 84.04 | -84.63 |
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Drawdowns
VST vs. TSEM - Drawdown Comparison
The maximum VST drawdown since its inception was -53.32%, smaller than the maximum TSEM drawdown of -99.75%. Use the drawdown chart below to compare losses from any high point for VST and TSEM.
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Drawdown Indicators
| VST | TSEM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -53.32% | -99.75% | +46.43% |
Max Drawdown (1Y)Largest decline over 1 year | -38.01% | -25.04% | -12.97% |
Max Drawdown (3Y)Largest decline over 3 years | -48.80% | -45.83% | -2.97% |
Max Drawdown (5Y)Largest decline over 5 years | -48.80% | -55.39% | +6.59% |
Max Drawdown (10Y)Largest decline over 10 years | — | -62.28% | — |
Current DrawdownCurrent decline from peak | -25.17% | -52.75% | +27.58% |
Average DrawdownAverage peak-to-trough decline | -13.75% | -85.36% | +71.61% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 21.12% | 7.25% | +13.87% |
Volatility
VST vs. TSEM - Volatility Comparison
The current volatility for Vistra Corp. (VST) is 14.36%, while Tower Semiconductor Ltd (TSEM) has a volatility of 29.44%. This indicates that VST experiences smaller price fluctuations and is considered to be less risky than TSEM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VST | TSEM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 14.36% | 29.44% | -15.08% |
Volatility (6M)Calculated over the trailing 6-month period | 36.88% | 58.34% | -21.46% |
Volatility (1Y)Calculated over the trailing 1-year period | 48.93% | 70.93% | -22.00% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 48.04% | 48.12% | -0.08% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 42.22% | 44.06% | -1.84% |
Dividends
VST vs. TSEM - Dividend Comparison
VST's dividend yield for the trailing twelve months is around 0.56%, while TSEM has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
TSEM Tower Semiconductor Ltd | 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
VST vs. TSEM - Financials Comparison
This section allows you to compare key financial metrics between Vistra Corp. and Tower Semiconductor Ltd. 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. TSEM - 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%.
TSEM - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Tower Semiconductor Ltd reported a gross profit of 110.95M and revenue of 413.63M. Therefore, the gross margin over that period was 26.8%.
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%.
TSEM - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Tower Semiconductor Ltd reported an operating income of 64.57M and revenue of 413.63M, resulting in an operating margin of 15.6%.
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%.
TSEM - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Tower Semiconductor Ltd reported a net income of 65.03M and revenue of 413.63M, resulting in a net margin of 15.7%.
Frequently Asked Questions
VST and TSEM have a correlation of 0.32, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
TSEM has higher volatility (29.44%) compared to VST (14.36%). In terms of maximum drawdown, VST dropped -53.32% vs TSEM's -99.75%.
TSEM currently has the higher Sharpe Ratio (8.60 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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