BLK vs. SPY
BLK (BlackRock, Inc.) is a stock, while SPY (State Street SPDR S&P 500 ETF) is S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, BLK returned 14.20%/yr vs 14.53%/yr for SPY. A 0.60 correlation means they provide meaningful diversification when combined.
Performance
BLK vs. SPY - Performance Comparison
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Returns By Period
In the year-to-date period, BLK achieves a -6.12% return, which is significantly lower than SPY's -0.09% return. Both investments have delivered pretty close results over the past 10 years, with BLK having a 14.20% annualized return and SPY not far ahead at 14.53%.
BLK
- 1D
- -0.23%
- 1M
- 8.28%
- YTD
- -6.12%
- 6M
- -10.83%
- 1Y
- 16.06%
- 3Y*
- 17.00%
- 5Y*
- 6.86%
- 10Y*
- 14.20%
SPY
- 1D
- -0.07%
- 1M
- 2.29%
- YTD
- -0.09%
- 6M
- 4.64%
- 1Y
- 28.71%
- 3Y*
- 19.89%
- 5Y*
- 12.07%
- 10Y*
- 14.53%
BLK vs. SPY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BLK BlackRock, Inc. | -6.12% | 6.55% | 29.29% | 17.86% | -20.40% | 29.39% | 47.21% | 31.87% | -21.59% | 38.20% |
SPY State Street SPDR S&P 500 ETF | -0.09% | 17.72% | 24.89% | 26.18% | -18.18% | 28.73% | 18.33% | 31.22% | -4.57% | 21.71% |
Correlation
The correlation between BLK and SPY is 0.62, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.62 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.64 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.71 |
Correlation (All Time) Calculated using the full available price history since Oct 4, 1999 | 0.60 |
The correlation between BLK and SPY shifts across timeframes, from 0.60 (all time) to 0.71 (5 years), reflecting how their relationship changes across market environments.
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Return for Risk
BLK vs. SPY — Risk / Return Rank
BLK
SPY
BLK vs. SPY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for BlackRock, Inc. (BLK) and State Street SPDR S&P 500 ETF (SPY). 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.
| BLK | SPY | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.75 | 2.35 | -1.60 |
Sortino ratioReturn per unit of downside risk | 1.16 | 3.26 | -2.11 |
Omega ratioGain probability vs. loss probability | 1.16 | 1.44 | -0.28 |
Calmar ratioReturn relative to maximum drawdown | 1.11 | 4.32 | -3.21 |
Martin ratioReturn relative to average drawdown | 2.86 | 18.78 | -15.92 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| BLK | SPY | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.75 | 2.35 | -1.60 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.26 | 0.71 | -0.45 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.52 | 0.81 | -0.30 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.59 | 0.57 | +0.02 |
Drawdowns
BLK vs. SPY - Drawdown Comparison
The maximum BLK drawdown since its inception was -60.36%, which is greater than SPY's maximum drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for BLK and SPY.
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Drawdown Indicators
| BLK | SPY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -60.36% | -55.19% | -5.17% |
Max Drawdown (1Y)Largest decline over 1 year | -22.45% | -8.88% | -13.57% |
Max Drawdown (5Y)Largest decline over 5 years | -43.90% | -24.50% | -19.40% |
Max Drawdown (10Y)Largest decline over 10 years | -43.90% | -33.72% | -10.18% |
Current DrawdownCurrent decline from peak | -16.03% | -2.04% | -13.99% |
Average DrawdownAverage peak-to-trough decline | -11.93% | -9.09% | -2.84% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 8.75% | 2.05% | +6.70% |
Volatility
BLK vs. SPY - Volatility Comparison
BlackRock, Inc. (BLK) has a higher volatility of 8.57% compared to State Street SPDR S&P 500 ETF (SPY) at 5.74%. This indicates that BLK's price experiences larger fluctuations and is considered to be riskier than SPY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BLK | SPY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.57% | 5.74% | +2.83% |
Volatility (6M)Calculated over the trailing 6-month period | 20.09% | 9.82% | +10.27% |
Volatility (1Y)Calculated over the trailing 1-year period | 25.50% | 14.06% | +11.44% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 26.54% | 17.08% | +9.46% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 27.65% | 17.93% | +9.72% |
Dividends
BLK vs. SPY - Dividend Comparison
BLK's dividend yield for the trailing twelve months is around 2.14%, more than SPY's 1.09% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BLK BlackRock, Inc. | 2.14% | 1.95% | 1.99% | 2.46% | 2.75% | 1.80% | 2.01% | 2.63% | 3.08% | 1.95% | 2.41% | 2.56% |
SPY State Street SPDR S&P 500 ETF | 1.09% | 1.07% | 1.21% | 1.40% | 1.65% | 1.20% | 1.52% | 1.75% | 2.04% | 1.80% | 2.03% | 2.06% |