SGYAX vs. ^GSPC

Last updated Apr 2, 2026

Compare and contrast key facts about SEI Institutional Investments Trust High Yield Bond Fund (SGYAX) and S&P 500 Index (^GSPC).

SGYAX is managed by SEI. It was launched on Dec 5, 2005.

Performance

SGYAX vs. ^GSPC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SEI Institutional Investments Trust High Yield Bond Fund (SGYAX) and S&P 500 Index (^GSPC). The values are adjusted to include any dividend payments, if applicable.

SGYAX vs. ^GSPC - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SGYAX SEI Institutional Investments Trust High Yield Bond Fund	-1.13%	8.01%	9.12%	10.89%	-13.29%	9.62%	6.04%	14.01%	-2.04%	8.08%
^GSPC S&P 500 Index	-3.95%	16.39%	23.31%	24.23%	-19.44%	26.89%	16.26%	28.88%	-6.24%	19.42%

Returns By Period

In the year-to-date period, SGYAX achieves a -1.13% return, which is significantly higher than ^GSPC's -3.95% return. Over the past 10 years, SGYAX has underperformed ^GSPC with an annualized return of 6.08%, while ^GSPC has yielded a comparatively higher 12.24% annualized return.

SGYAX

• 1D: 0.58%
• 1M: -1.71%
• YTD: -1.13%
• 6M: -0.20%
• 1Y: 5.71%
• 3Y*: 7.70%
• 5Y*: 3.59%
• 10Y*: 6.08%

^GSPC

• 1D: 0.72%
• 1M: -4.45%
• YTD: -3.95%
• 6M: -2.02%
• 1Y: 16.73%
• 3Y*: 16.96%
• 5Y*: 10.34%
• 10Y*: 12.24%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Return for Risk

SGYAX vs. ^GSPC — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

SGYAX

SGYAX Risk / Return Rank: 81
SGYAX Sharpe Ratio Rank: 81
SGYAX Sortino Ratio Rank: 86
SGYAX Omega Ratio Rank: 85
SGYAX Calmar Ratio Rank: 79
SGYAX Martin Ratio Rank: 73

^GSPC

^GSPC Risk / Return Rank: 67
^GSPC Sharpe Ratio Rank: 63
^GSPC Sortino Ratio Rank: 64
^GSPC Omega Ratio Rank: 69
^GSPC Calmar Ratio Rank: 60
^GSPC Martin Ratio Rank: 77

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.

SGYAX vs. ^GSPC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SEI Institutional Investments Trust High Yield Bond Fund (SGYAX) and S&P 500 Index (^GSPC). 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.

	SGYAX	^GSPC	Difference
Sharpe ratio Return per unit of total volatility	1.55	0.92	+0.64
Sortino ratio Return per unit of downside risk	2.35	1.41	+0.94
Omega ratio Gain probability vs. loss probability	1.36	1.21	+0.15
Calmar ratio Return relative to maximum drawdown	1.98	1.41	+0.56
Martin ratio Return relative to average drawdown	7.37	6.61	+0.75
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SGYAX vs. ^GSPC - Sharpe Ratio Comparison

The current SGYAX Sharpe Ratio is 1.55, which is higher than the ^GSPC Sharpe Ratio of 0.92. The chart below compares the historical Sharpe Ratios of SGYAX and ^GSPC, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	SGYAX	^GSPC	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.55	0.92	+0.64
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.76	0.61	+0.15
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	1.15	0.68	+0.47
Sharpe Ratio (All Time) Calculated using the full available price history	0.61	0.46	+0.15

Correlation

The correlation between SGYAX and ^GSPC is 0.37, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Drawdowns

SGYAX vs. ^GSPC - Drawdown Comparison

The maximum SGYAX drawdown since its inception was -45.51%, smaller than the maximum ^GSPC drawdown of -56.78%. Use the drawdown chart below to compare losses from any high point for SGYAX and ^GSPC.

Drawdown Indicators

	SGYAX	^GSPC	Difference
Max Drawdown Largest peak-to-trough decline	-45.51%	-56.78%	+11.27%
Max Drawdown (1Y) Largest decline over 1 year	-3.12%	-12.14%	+9.02%
Max Drawdown (5Y) Largest decline over 5 years	-15.45%	-25.43%	+9.98%
Max Drawdown (10Y) Largest decline over 10 years	-21.85%	-33.92%	+12.07%
Current Drawdown Current decline from peak	-2.20%	-5.78%	+3.58%
Average Drawdown Average peak-to-trough decline	-6.10%	-10.75%	+4.65%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.84%	2.60%	-1.76%

Volatility

SGYAX vs. ^GSPC - Volatility Comparison

The current volatility for SEI Institutional Investments Trust High Yield Bond Fund (SGYAX) is 1.32%, while S&P 500 Index (^GSPC) has a volatility of 5.37%. This indicates that SGYAX experiences smaller price fluctuations and is considered to be less risky than ^GSPC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SGYAX	^GSPC	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.32%	5.37%	-4.05%
Volatility (6M) Calculated over the trailing 6-month period	2.35%	9.55%	-7.20%
Volatility (1Y) Calculated over the trailing 1-year period	3.80%	18.33%	-14.53%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.74%	16.90%	-12.16%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.30%	18.05%	-12.75%