BAAPX vs. WFSPX
BAAPX (BlackRock 80/20 Target Allocation Fund Class A) and WFSPX (iShares S&P 500 Index Fund Class K) are both mutual funds - BAAPX is a Diversified Portfolio fund actively managed by BlackRock, while WFSPX is a S&P 500 fund tracking the S&P 500 Index. BAAPX is actively managed, while WFSPX is passively managed. Over the past 10 years, BAAPX returned 9.71%/yr vs 14.88%/yr for WFSPX. Their correlation of 0.94 means they have usually moved in the same direction. BAAPX charges 0.66%/yr vs 0.03%/yr for WFSPX.
Performance
BAAPX vs. WFSPX - Performance Comparison
Loading charts...
Returns By Period
The year-to-date returns for both stocks are quite close, with BAAPX having a 9.47% return and WFSPX slightly lower at 9.34%. Over the past 10 years, BAAPX has underperformed WFSPX with an annualized return of 9.71%, while WFSPX has yielded a comparatively higher 14.88% annualized return.
BAAPX
- 1D
- 1.94%
- 1M
- -1.23%
- 6M
- 7.07%
- YTD
- 9.47%
- 1Y
- 19.57%
- 3Y*
- 12.15%
- 5Y*
- 6.97%
- 10Y*
- 9.71%
- ALL TIME*
- 7.42%
WFSPX
- 1D
- 1.66%
- 1M
- -0.56%
- 6M
- 7.78%
- YTD
- 9.34%
- 1Y
- 20.57%
- 3Y*
- 18.99%
- 5Y*
- 12.65%
- 10Y*
- 14.88%
- ALL TIME*
- 16.25%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
BAAPX vs. WFSPX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BAAPX BlackRock 80/20 Target Allocation Fund Class A | 9.47% | 17.96% | 5.20% | 18.82% | -16.39% | 14.52% | 19.10% | 24.24% | -7.93% | 17.03% |
WFSPX iShares S&P 500 Index Fund Class K | 9.34% | 17.83% | 24.94% | 26.25% | -18.14% | 28.63% | 18.43% | 31.45% | -4.83% | 21.27% |
Correlation
The correlation between BAAPX and WFSPX is 0.95, meaning they have usually moved in the same direction, including during past declines.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.95 |
Correlation (3Y) Balances recent behavior with more history. | 0.93 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.92 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.92 |
Correlation (All Time) Calculated using the full available price history since Dec 26, 2006 | 0.94 |
The correlation between BAAPX and WFSPX has been stable across timeframes, ranging from 0.92 to 0.95 - a consistent structural relationship.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
BAAPX vs. WFSPX — Risk / Return Rank
BAAPX
WFSPX
BAAPX vs. WFSPX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for BlackRock 80/20 Target Allocation Fund Class A (BAAPX) and iShares S&P 500 Index Fund Class K (WFSPX). 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.
| BAAPX | WFSPX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.03 | ||
| Sortino ratioReturn per unit of downside risk | +0.11 | ||
| Omega ratioGain probability vs. loss probability | 1.26 | 1.26 | +0.01 |
| Calmar ratioReturn relative to maximum drawdown | 2.10 | 2.06 | +0.05 |
| Martin ratioReturn relative to average drawdown | 8.84 | 8.83 | +0.01 |
Loading charts...
Drawdowns
BAAPX vs. WFSPX - Drawdown Comparison
The maximum BAAPX drawdown since its inception was -53.61%, smaller than the maximum WFSPX drawdown of -58.21%. Use the drawdown chart below to compare losses from any high point for BAAPX and WFSPX.
Loading charts...
Drawdown Indicators
| BAAPX | WFSPX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -53.61% | -58.21% | +4.60% |
Max Drawdown (1Y)Largest decline over 1 year | -8.68% | -8.90% | +0.22% |
Max Drawdown (3Y)Largest decline over 3 years | -20.88% | -18.74% | -2.14% |
Max Drawdown (5Y)Largest decline over 5 years | -23.52% | -24.51% | +0.99% |
Max Drawdown (10Y)Largest decline over 10 years | -27.15% | -33.74% | +6.59% |
Current DrawdownCurrent decline from peak | -2.72% | -2.10% | -0.62% |
Average DrawdownAverage peak-to-trough decline | -8.22% | -12.72% | +4.50% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.06% | 2.07% | -0.01% |
Volatility
BAAPX vs. WFSPX - Volatility Comparison
BlackRock 80/20 Target Allocation Fund Class A (BAAPX) has a higher volatility of 3.86% compared to iShares S&P 500 Index Fund Class K (WFSPX) at 3.44%. This indicates that BAAPX's price experiences larger fluctuations and is considered to be riskier than WFSPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| BAAPX | WFSPX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.86% | 3.44% | +0.42% |
Volatility (6M)Calculated over the trailing 6-month period | 10.85% | 10.09% | +0.76% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.54% | 12.85% | -0.31% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 14.71% | 16.99% | -2.28% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 14.04% | 18.03% | -3.99% |
BAAPX vs. WFSPX - Expense Ratio Comparison
BAAPX has a 0.66% expense ratio, which is higher than WFSPX's 0.03% expense ratio.
Dividends
BAAPX vs. WFSPX - Dividend Comparison
BAAPX's dividend yield for the trailing twelve months is around 5.32%, more than WFSPX's 1.67% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BAAPX BlackRock 80/20 Target Allocation Fund Class A | 5.32% | 5.82% | 0.00% | 4.06% | 2.00% | 5.86% | 1.83% | 2.23% | 5.98% | 2.84% | 1.49% | 13.83% |
WFSPX iShares S&P 500 Index Fund Class K | 1.67% | 1.72% | 1.41% | 1.50% | 2.02% | 1.82% | 1.66% | 1.99% | 2.00% | 1.62% | 2.37% | 2.49% |
Frequently Asked Questions
With a correlation of 0.95, BAAPX and WFSPX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
BAAPX has higher volatility (3.86%) compared to WFSPX (3.44%). In terms of maximum drawdown, BAAPX dropped -53.61% vs WFSPX's -58.21%.
BAAPX currently has the higher Sharpe Ratio (1.46 vs 1.42), 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.
Find the right allocation for BAAPX and WFSPX
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer