BLK vs. VOO
BLK (BlackRock, Inc.) 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, BLK returned 14.29%/yr vs 15.14%/yr for VOO. Their 0.74 correlation means they have sometimes moved together and sometimes differently.
Performance
BLK vs. VOO - Performance Comparison
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Returns By Period
In the year-to-date period, BLK achieves a 3.02% return, which is significantly lower than VOO's 10.16% return. Over the past 10 years, BLK has underperformed VOO with an annualized return of 14.29%, while VOO has yielded a comparatively higher 15.14% annualized return.
BLK
- 1D
- -0.73%
- 1M
- 9.51%
- 6M
- -1.46%
- YTD
- 3.02%
- 1Y
- 1.96%
- 3Y*
- 16.85%
- 5Y*
- 7.24%
- 10Y*
- 14.29%
- ALL TIME*
- 19.95%
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) |
|---|---|---|---|
| $789.71M | $828.12M | $797.11M | |
| $3.82B | $3.78B | $5.44B |
BLK vs. VOO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BLK BlackRock, Inc. | 3.02% | 6.55% | 29.29% | 17.86% | -20.40% | 29.39% | 47.21% | 31.87% | -21.59% | 38.20% |
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 BLK and VOO is 0.54, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.54 |
Correlation (3Y) Balances recent behavior with more history. | 0.61 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.70 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.71 |
Correlation (All Time) Calculated using the full available price history since Sep 9, 2010 | 0.74 |
The correlation between BLK and VOO shifts across timeframes, from 0.54 (1 year) to 0.74 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
BLK vs. VOO — Risk / Return Rank
BLK
VOO
BLK vs. VOO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for BlackRock, Inc. (BLK) 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.
| BLK | VOO | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.51 | ||
| Sortino ratioReturn per unit of downside risk | -1.90 | ||
| Omega ratioGain probability vs. loss probability | 1.03 | 1.28 | -0.25 |
| Calmar ratioReturn relative to maximum drawdown | 0.03 | 2.21 | -2.18 |
| Martin ratioReturn relative to average drawdown | 0.06 | 9.44 | -9.38 |
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Drawdowns
BLK vs. VOO - Drawdown Comparison
The maximum BLK drawdown since its inception was -60.36%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for BLK and VOO.
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Drawdown Indicators
| BLK | VOO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -60.36% | -33.99% | -26.37% |
Max Drawdown (1Y)Largest decline over 1 year | -22.45% | -8.90% | -13.55% |
Max Drawdown (3Y)Largest decline over 3 years | -23.74% | -18.69% | -5.05% |
Max Drawdown (5Y)Largest decline over 5 years | -43.90% | -24.52% | -19.38% |
Max Drawdown (10Y)Largest decline over 10 years | -43.90% | -33.99% | -9.91% |
Current DrawdownCurrent decline from peak | -7.87% | -1.38% | -6.49% |
Average DrawdownAverage peak-to-trough decline | -11.93% | -3.67% | -8.26% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 11.10% | 2.08% | +9.02% |
Volatility
BLK vs. VOO - Volatility Comparison
BlackRock, Inc. (BLK) has a higher volatility of 9.75% compared to Vanguard S&P 500 ETF (VOO) at 3.54%. This indicates that BLK'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
| BLK | VOO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 9.75% | 3.54% | +6.21% |
Volatility (6M)Calculated over the trailing 6-month period | 21.22% | 10.10% | +11.12% |
Volatility (1Y)Calculated over the trailing 1-year period | 26.85% | 12.82% | +14.03% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 26.95% | 16.93% | +10.02% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 27.78% | 18.01% | +9.77% |
Dividends
BLK vs. VOO - Dividend Comparison
BLK's dividend yield for the trailing twelve months is around 2.01%, more than VOO's 1.07% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BLK BlackRock, Inc. | 2.01% | 1.95% | 1.99% | 2.46% | 2.75% | 1.80% | 2.01% | 2.63% | 3.08% | 1.95% | 2.41% | 2.56% |
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
BLK and VOO have a correlation of 0.54, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BLK has higher volatility (9.75%) compared to VOO (3.54%). In terms of maximum drawdown, BLK dropped -60.36% vs VOO's -33.99%.
VOO currently has the higher Sharpe Ratio (1.53 vs 0.02), 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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