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HYT vs. WFSPX
Performance
Return for Risk
Drawdowns
Volatility
Dividends

HYT vs. WFSPX

Last updated Jun 26, 2026

HYT (BlackRock Corporate High Yield Fund) and WFSPX (iShares S&P 500 Index Fund Class K) are both mutual funds - HYT is a High Yield Bonds fund actively managed by BlackRock, while WFSPX is a S&P 500 fund tracking the S&P 500 Index. HYT is actively managed, while WFSPX is passively managed. Over the past 10 years, HYT returned 7.62%/yr vs 15.50%/yr for WFSPX. At a 0.44 correlation, their price movements are largely independent. HYT charges 2.83%/yr vs 0.03%/yr for WFSPX.

Performance

HYT vs. WFSPX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in BlackRock Corporate High Yield Fund (HYT) and iShares S&P 500 Index Fund Class K (WFSPX). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, HYT achieves a 1.55% return, which is significantly lower than WFSPX's 8.09% return. Over the past 10 years, HYT has underperformed WFSPX with an annualized return of 7.62%, while WFSPX has yielded a comparatively higher 15.50% annualized return.

HYT

1D
0.95%
1M
0.68%
YTD
1.55%
6M
1.43%
1Y
-1.71%
3Y*
9.67%
5Y*
2.68%
10Y*
7.62%

WFSPX

1D
-0.10%
1M
-2.04%
YTD
8.09%
6M
6.76%
1Y
22.17%
3Y*
20.73%
5Y*
13.01%
10Y*
15.50%
*Multi-year figures are annualized to reflect compound growth (CAGR)

HYT vs. WFSPX - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
HYT
BlackRock Corporate High Yield Fund		1.55%0.06%14.43%19.92%-22.58%16.62%11.55%31.19%-7.81%8.99%
WFSPX
iShares S&P 500 Index Fund Class K		8.09%17.83%24.94%26.25%-18.14%28.63%18.43%31.45%-4.83%21.27%

Correlation

The correlation between HYT and WFSPX is 0.46, which is low. Their price movements are largely independent, making them effective diversification partners.

Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

0.46

Correlation (3Y)
Calculated over the trailing 3-year period

0.42

Correlation (5Y)
Calculated over the trailing 5-year period

0.50

Correlation (10Y)
Calculated over the trailing 10-year period

0.49

Correlation (All Time)
Calculated using the full available price history since May 29, 2003

0.44

The correlation between HYT and WFSPX has been stable across timeframes, ranging from 0.42 to 0.50 - 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.

BlackRock Corporate High Yield Fund

iShares S&P 500 Index Fund Class K

Often compared with HYT:
HYT vs. GOFHYT vs. DSUHYT vs. SPHYHYT vs. PTYHYT vs. PDIHYT vs. FDVVHYT vs. VTIVX
Often compared with WFSPX:
WFSPX vs. JLGMXWFSPX vs. VOOWFSPX vs. FSPGXWFSPX vs. FXAIXWFSPX vs. BRMKXWFSPX vs. IVVWFSPX vs. APGYX

Return for Risk

HYT vs. WFSPX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
HYT
HYT Risk / Return Rank: 22
Overall Rank
HYT Sharpe Ratio Rank: 22
Sharpe Ratio Rank
HYT Sortino Ratio Rank: 22
Sortino Ratio Rank
HYT Omega Ratio Rank: 22
Omega Ratio Rank
HYT Calmar Ratio Rank: 22
Calmar Ratio Rank
HYT Martin Ratio Rank: 22
Martin Ratio Rank
WFSPX
WFSPX Risk / Return Rank: 5555
Overall Rank
WFSPX Sharpe Ratio Rank: 5252
Sharpe Ratio Rank
WFSPX Sortino Ratio Rank: 4848
Sortino Ratio Rank
WFSPX Omega Ratio Rank: 5050
Omega Ratio Rank
WFSPX Calmar Ratio Rank: 5656
Calmar Ratio Rank
WFSPX Martin Ratio Rank: 6868
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

HYT vs. WFSPX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BlackRock Corporate High Yield Fund (HYT) 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.

HYTWFSPXDifference
Sharpe ratioReturn per unit of total volatility
-0.17
1.78

-1.96

Sortino ratioReturn per unit of downside risk
-0.17
2.44

-2.61

Omega ratioGain probability vs. loss probability

0.98

1.32

-0.34

Calmar ratioReturn relative to maximum drawdown

-0.17

2.50

-2.67

Martin ratioReturn relative to average drawdown

-0.40

11.18

-11.57

HYT vs. WFSPX - Sharpe Ratio Comparison

The current HYT Sharpe Ratio is -0.17, which is lower than the WFSPX Sharpe Ratio of 1.78. The chart below compares the historical Sharpe Ratios of HYT and WFSPX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

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Drawdowns

HYT vs. WFSPX - Drawdown Comparison

The maximum HYT drawdown since its inception was -56.95%, roughly equal to the maximum WFSPX drawdown of -58.21%. Use the drawdown chart below to compare losses from any high point for HYT and WFSPX.

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Drawdown Indicators

HYTWFSPXDifference

Max Drawdown

Largest peak-to-trough decline

-56.95%

-58.21%

+1.26%

Max Drawdown (1Y)

Largest decline over 1 year

-10.17%

-8.90%

-1.27%

Max Drawdown (3Y)

Largest decline over 3 years

-13.95%

-18.74%

+4.79%

Max Drawdown (5Y)

Largest decline over 5 years

-29.05%

-24.51%

-4.54%

Max Drawdown (10Y)

Largest decline over 10 years

-42.59%

-33.74%

-8.85%

Current Drawdown

Current decline from peak

-4.56%

-3.22%

-1.34%

Average Drawdown

Average peak-to-trough decline

-5.90%

-12.75%

+6.85%

Ulcer Index

Depth and duration of drawdowns from previous peaks

4.32%

1.99%

+2.33%

Volatility

HYT vs. WFSPX - Volatility Comparison

The current volatility for BlackRock Corporate High Yield Fund (HYT) is 2.04%, while iShares S&P 500 Index Fund Class K (WFSPX) has a volatility of 4.88%. This indicates that HYT experiences smaller price fluctuations and is considered to be less risky than WFSPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

HYTWFSPXDifference

Volatility (1M)

Calculated over the trailing 1-month period

2.04%

4.88%

-2.84%

Volatility (6M)

Calculated over the trailing 6-month period

6.92%

9.89%

-2.97%

Volatility (1Y)

Calculated over the trailing 1-year period

9.88%

12.53%

-2.65%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

14.47%

16.98%

-2.51%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

16.93%

18.04%

-1.11%

HYT vs. WFSPX - Expense Ratio Comparison

HYT has a 2.83% expense ratio, which is higher than WFSPX's 0.03% expense ratio.

Dividends

HYT vs. WFSPX - Dividend Comparison

HYT's dividend yield for the trailing twelve months is around 10.94%, more than WFSPX's 1.62% yield.

PositionTTM20252024202320222021202020192018201720162015
HYT
BlackRock Corporate High Yield Fund		10.94%10.50%9.53%9.91%9.80%7.58%8.18%7.92%9.20%7.68%8.23%10.18%
WFSPX
iShares S&P 500 Index Fund Class K		1.62%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

HYT and WFSPX have a correlation of 0.46, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

WFSPX has higher volatility (4.88%) compared to HYT (2.04%). In terms of maximum drawdown, HYT dropped -56.95% vs WFSPX's -58.21%.

WFSPX currently has the higher Sharpe Ratio (1.78 vs -0.17), 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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