SSDDX vs. SVSPX

Last updated Aug 1, 2026

SSDDX (State Street Target Retirement 2045 Fund) and SVSPX (State Street S&P 500 Index Fund Class N) are both mutual funds - SSDDX is a Target Retirement Date fund managed by State Street, while SVSPX is a Large Cap Blend Equities fund tracking the S&P 500 Index. Over the past 10 years, SSDDX returned 10.21%/yr vs 14.85%/yr for SVSPX. Their correlation of 0.89 means they have usually moved in the same direction. SSDDX charges 0.18%/yr vs 0.16%/yr for SVSPX.

Performance

SSDDX vs. SVSPX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in State Street Target Retirement 2045 Fund (SSDDX) and State Street S&P 500 Index Fund Class N (SVSPX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with SSDDX having a 8.86% return and SVSPX slightly higher at 9.27%. Over the past 10 years, SSDDX has underperformed SVSPX with an annualized return of 10.21%, while SVSPX has yielded a comparatively higher 14.85% annualized return.

SSDDX

• 1D: 1.80%
• 1M: -0.93%
• 6M: 5.80%
• YTD: 8.86%
• 1Y: 19.38%
• 3Y*: 14.60%
• 5Y*: 7.49%
• 10Y*: 10.21%
• ALL TIME*: 9.31%

SVSPX

• 1D: 1.66%
• 1M: -0.57%
• 6M: 7.27%
• YTD: 9.27%
• 1Y: 18.70%
• 3Y*: 19.00%
• 5Y*: 12.57%
• 10Y*: 14.85%
• ALL TIME*: 10.56%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
SSDDX State Street Target Retirement 2045 Fund	$0.00	$0.00	$0.00
SVSPX State Street S&P 500 Index Fund Class N	$0.00	$0.00	$0.00

SSDDX vs. SVSPX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SSDDX State Street Target Retirement 2045 Fund	8.86%	19.92%	11.80%	18.48%	-18.97%	13.08%	19.28%	25.41%	-7.95%	19.14%
SVSPX State Street S&P 500 Index Fund Class N	9.27%	17.83%	25.07%	26.21%	-18.31%	28.38%	18.48%	31.27%	-4.87%	21.71%

Correlation

The correlation between SSDDX and SVSPX is 0.75, 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.	0.75
Correlation (3Y) Balances recent behavior with more history.	0.78
Correlation (5Y) Shows whether the relationship held over a longer period.	0.86
Correlation (10Y) Provides a long-term view across more market conditions.	0.89
Correlation (All Time) Calculated using the full available price history since Oct 1, 2014	0.89

The correlation between SSDDX and SVSPX shifts across timeframes, from 0.75 (1 year) to 0.89 (all time), reflecting how their relationship changes across market environments.

Return for Risk

SSDDX vs. SVSPX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

SSDDX

SSDDX Risk / Return Rank: 65
SSDDX Sharpe Ratio Rank: 65
SSDDX Sortino Ratio Rank: 63
SSDDX Omega Ratio Rank: 66
SSDDX Calmar Ratio Rank: 63
SSDDX Martin Ratio Rank: 69

SVSPX

SVSPX Risk / Return Rank: 75
SVSPX Sharpe Ratio Rank: 71
SVSPX Sortino Ratio Rank: 71
SVSPX Omega Ratio Rank: 69
SVSPX Calmar Ratio Rank: 78
SVSPX Martin Ratio Rank: 86

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

SSDDX vs. SVSPX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for State Street Target Retirement 2045 Fund (SSDDX) and State Street S&P 500 Index Fund Class N (SVSPX). 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.

	SSDDX	SVSPX	Difference
Sharpe ratio: Return per unit of total volatility	1.56	1.61	-0.06
Sortino ratio: Return per unit of downside risk	2.21	2.34	-0.13
Omega ratio: Gain probability vs. loss probability	1.29	1.29	0.00
Calmar ratio: Return relative to maximum drawdown	2.13	2.48	-0.36
Martin ratio: Return relative to average drawdown	8.61	10.71	-2.10

SSDDX vs. SVSPX - Sharpe Ratio Comparison

The current SSDDX Sharpe Ratio is 1.56, which is comparable to the SVSPX Sharpe Ratio of 1.61. The chart below compares the historical Sharpe Ratios of SSDDX and SVSPX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

SSDDX vs. SVSPX - Drawdown Comparison

The maximum SSDDX drawdown since its inception was -29.22%, smaller than the maximum SVSPX drawdown of -55.76%. Use the drawdown chart below to compare losses from any high point for SSDDX and SVSPX.

Drawdown Indicators

	SSDDX	SVSPX	Difference
Max Drawdown Largest peak-to-trough decline	-29.22%	-55.76%	+26.54%
Max Drawdown (1Y) Largest decline over 1 year	-8.35%	-8.93%	+0.58%
Max Drawdown (3Y) Largest decline over 3 years	-13.69%	-19.09%	+5.40%
Max Drawdown (5Y) Largest decline over 5 years	-26.80%	-24.59%	-2.21%
Max Drawdown (10Y) Largest decline over 10 years	-29.22%	-33.69%	+4.47%
Current Drawdown Current decline from peak	-1.85%	-2.11%	+0.26%
Average Drawdown Average peak-to-trough decline	-4.89%	-9.20%	+4.31%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.06%	1.92%	+0.14%

Volatility

SSDDX vs. SVSPX - Volatility Comparison

State Street Target Retirement 2045 Fund (SSDDX) and State Street S&P 500 Index Fund Class N (SVSPX) have volatilities of 3.33% and 3.33%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SSDDX	SVSPX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.33%	3.33%	0.00%
Volatility (6M) Calculated over the trailing 6-month period	9.55%	10.43%	-0.88%
Volatility (1Y) Calculated over the trailing 1-year period	11.41%	13.75%	-2.34%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.57%	17.58%	-4.01%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	14.23%	18.35%	-4.12%

SSDDX vs. SVSPX - Expense Ratio Comparison

SSDDX has a 0.18% expense ratio, which is higher than SVSPX's 0.16% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

SSDDX vs. SVSPX - Dividend Comparison

SSDDX's dividend yield for the trailing twelve months is around 6.13%, less than SVSPX's 7.60% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SSDDX State Street Target Retirement 2045 Fund	6.13%	6.67%	4.90%	3.56%	5.36%	4.88%	4.04%	6.21%	5.00%	0.43%	1.72%	1.87%
SVSPX State Street S&P 500 Index Fund Class N	7.60%	8.28%	9.39%	12.38%	10.53%	11.65%	15.98%	6.40%	13.29%	4.94%	8.63%	4.05%

Frequently Asked Questions

Can I hold both SSDDX and SVSPX in my portfolio?

SSDDX and SVSPX have a correlation of 0.75, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SSDDX or SVSPX?

SVSPX has higher volatility (3.33%) compared to SSDDX (3.33%). In terms of maximum drawdown, SSDDX dropped -29.22% vs SVSPX's -55.76%.

Which has better risk-adjusted returns?

SVSPX currently has the higher Sharpe Ratio (1.61 vs 1.56), 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.