CETY vs. VOO
CETY (Clean Energy Technologies Inc. Common Stock) is a stock, while VOO (Vanguard S&P 500 ETF) is S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, CETY returned -24.88%/yr vs 15.14%/yr for VOO. Their 0.04 correlation means their historical movements had little consistent relationship.
Performance
CETY vs. VOO - Performance Comparison
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Returns By Period
In the year-to-date period, CETY achieves a 25.48% return, which is significantly higher than VOO's 10.16% return. Over the past 10 years, CETY has underperformed VOO with an annualized return of -24.88%, while VOO has yielded a comparatively higher 15.14% annualized return.
CETY
- 1D
- 1.68%
- 1M
- 5.24%
- 6M
- 18.85%
- YTD
- 25.48%
- 1Y
- -78.71%
- 3Y*
- -65.12%
- 5Y*
- -51.24%
- 10Y*
- -24.88%
- ALL TIME*
- -28.89%
VOO
- 1D
- 0.71%
- 1M
- 0.26%
- 6M
- 8.58%
- YTD
- 10.16%
- 1Y
- 21.58%
- 3Y*
- 19.42%
- 5Y*
- 12.83%
- 10Y*
- 15.14%
- ALL TIME*
- 14.78%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $18.07K | $36.29K | $57.00K | |
| $3.82B | $3.78B | $5.44B |
CETY vs. VOO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
CETY Clean Energy Technologies Inc. Common Stock | 25.48% | -92.12% | -59.09% | -46.43% | 218.18% | -63.33% | 214.14% | 92.93% | -25.56% | 82.19% |
VOO Vanguard S&P 500 ETF | 10.16% | 17.82% | 24.98% | 26.32% | -18.17% | 28.79% | 18.32% | 31.37% | -4.50% | 21.77% |
Correlation
The correlation between CETY and VOO is 0.11, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.11 |
Correlation (3Y) Balances recent behavior with more history. | 0.07 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.06 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.05 |
Correlation (All Time) Calculated using the full available price history since Feb 7, 2013 | 0.04 |
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Return for Risk
CETY vs. VOO — Risk / Return Rank
CETY
VOO
CETY vs. VOO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Clean Energy Technologies Inc. Common Stock (CETY) and Vanguard S&P 500 ETF (VOO). 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.
| CETY | VOO | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.94 | ||
| Sortino ratioReturn per unit of downside risk | -2.15 | ||
| Omega ratioGain probability vs. loss probability | 1.00 | 1.28 | -0.28 |
| Calmar ratioReturn relative to maximum drawdown | -0.80 | 2.21 | -3.01 |
| Martin ratioReturn relative to average drawdown | -1.01 | 9.44 | -10.44 |
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Drawdowns
CETY vs. VOO - Drawdown Comparison
The maximum CETY drawdown since its inception was -99.61%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for CETY and VOO.
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Drawdown Indicators
| CETY | VOO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.61% | -33.99% | -65.62% |
Max Drawdown (1Y)Largest decline over 1 year | -90.02% | -8.90% | -81.12% |
Max Drawdown (3Y)Largest decline over 3 years | -98.51% | -18.69% | -79.82% |
Max Drawdown (5Y)Largest decline over 5 years | -99.43% | -24.52% | -74.91% |
Max Drawdown (10Y)Largest decline over 10 years | -99.55% | -33.99% | -65.56% |
Current DrawdownCurrent decline from peak | -99.24% | -1.38% | -97.86% |
Average DrawdownAverage peak-to-trough decline | -76.55% | -3.67% | -72.88% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 71.02% | 2.08% | +68.94% |
Volatility
CETY vs. VOO - Volatility Comparison
Clean Energy Technologies Inc. Common Stock (CETY) has a higher volatility of 21.40% compared to Vanguard S&P 500 ETF (VOO) at 3.54%. This indicates that CETY's price experiences larger fluctuations and is considered to be riskier than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| CETY | VOO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 21.40% | 3.54% | +17.86% |
Volatility (6M)Calculated over the trailing 6-month period | 91.45% | 10.10% | +81.35% |
Volatility (1Y)Calculated over the trailing 1-year period | 175.80% | 12.82% | +162.98% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 132.07% | 16.93% | +115.14% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 179.01% | 18.01% | +161.00% |
Dividends
CETY vs. VOO - Dividend Comparison
CETY has not paid dividends to shareholders, while VOO's dividend yield for the trailing twelve months is around 1.07%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CETY Clean Energy Technologies Inc. Common Stock | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
VOO Vanguard S&P 500 ETF | 1.07% | 1.13% | 1.24% | 1.46% | 1.69% | 1.25% | 1.54% | 1.88% | 2.06% | 1.78% | 2.02% | 2.10% |
Frequently Asked Questions
CETY and VOO have a correlation of 0.11, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
CETY has higher volatility (21.40%) compared to VOO (3.54%). In terms of maximum drawdown, CETY dropped -99.61% vs VOO's -33.99%.
VOO currently has the higher Sharpe Ratio (1.53 vs -0.41), 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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