ISPY vs. VOO
Compare and contrast key facts about ProShares S&P 500 High Income ETF (ISPY) and Vanguard S&P 500 ETF (VOO).
ISPY and VOO are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. ISPY is a passively managed fund by ProShares that tracks the performance of the S&P 500 Daily Covered Call Index. It was launched on Dec 18, 2023. VOO is a passively managed fund by Vanguard that tracks the performance of the S&P 500 Index. It was launched on Sep 7, 2010. Both ISPY and VOO are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.
Performance
ISPY vs. VOO - Performance Comparison
Loading graphics...
ISPY vs. VOO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
ISPY ProShares S&P 500 High Income ETF | -4.08% | 13.15% | 21.31% | 1.65% |
VOO Vanguard S&P 500 ETF | -4.42% | 17.82% | 24.98% | 1.56% |
Returns By Period
In the year-to-date period, ISPY achieves a -4.08% return, which is significantly higher than VOO's -4.42% return.
ISPY
- 1D
- 2.41%
- 1M
- -4.58%
- YTD
- -4.08%
- 6M
- -1.91%
- 1Y
- 12.93%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
VOO
- 1D
- 2.86%
- 1M
- -5.01%
- YTD
- -4.42%
- 6M
- -1.84%
- 1Y
- 17.67%
- 3Y*
- 18.27%
- 5Y*
- 11.75%
- 10Y*
- 14.05%
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
ISPY vs. VOO - Expense Ratio Comparison
ISPY has a 0.55% expense ratio, which is higher than VOO's 0.03% expense ratio.
Return for Risk
ISPY vs. VOO — Risk / Return Rank
ISPY
VOO
ISPY vs. VOO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for ProShares S&P 500 High Income ETF (ISPY) 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.
| ISPY | VOO | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.84 | 0.98 | -0.14 |
Sortino ratioReturn per unit of downside risk | 1.15 | 1.50 | -0.35 |
Omega ratioGain probability vs. loss probability | 1.17 | 1.23 | -0.05 |
Calmar ratioReturn relative to maximum drawdown | 1.21 | 1.53 | -0.32 |
Martin ratioReturn relative to average drawdown | 4.68 | 7.29 | -2.61 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading graphics...
Sharpe Ratios by Period
| ISPY | VOO | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.84 | 0.98 | -0.14 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | 0.70 | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.78 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 1.01 | 0.83 | +0.17 |
Correlation
The correlation between ISPY and VOO is 0.97, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
ISPY vs. VOO - Dividend Comparison
ISPY's dividend yield for the trailing twelve months is around 8.86%, more than VOO's 1.19% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ISPY ProShares S&P 500 High Income ETF | 8.86% | 8.56% | 9.84% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
VOO Vanguard S&P 500 ETF | 1.19% | 1.13% | 1.24% | 1.46% | 1.69% | 1.25% | 1.54% | 1.88% | 2.06% | 1.78% | 2.02% | 2.10% |
Drawdowns
ISPY vs. VOO - Drawdown Comparison
The maximum ISPY drawdown since its inception was -16.88%, smaller than the maximum VOO drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for ISPY and VOO.
Loading graphics...
Drawdown Indicators
| ISPY | VOO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -16.88% | -33.99% | +17.11% |
Max Drawdown (1Y)Largest decline over 1 year | -11.17% | -11.98% | +0.81% |
Max Drawdown (5Y)Largest decline over 5 years | — | -24.52% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.99% | — |
Current DrawdownCurrent decline from peak | -6.20% | -6.29% | +0.09% |
Average DrawdownAverage peak-to-trough decline | -2.16% | -3.72% | +1.56% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.89% | 2.52% | +0.37% |
Volatility
ISPY vs. VOO - Volatility Comparison
ProShares S&P 500 High Income ETF (ISPY) and Vanguard S&P 500 ETF (VOO) have volatilities of 5.10% and 5.29%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
Loading graphics...
Volatility by Period
| ISPY | VOO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.10% | 5.29% | -0.19% |
Volatility (6M)Calculated over the trailing 6-month period | 9.05% | 9.44% | -0.39% |
Volatility (1Y)Calculated over the trailing 1-year period | 15.38% | 18.10% | -2.72% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 13.71% | 16.82% | -3.11% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 13.71% | 17.99% | -4.28% |