TCIEX vs. SSSYX

Last updated Jun 25, 2026

TCIEX (TIAA-CREF International Equity Index Fund Institutional Class) and SSSYX (State Street Equity 500 Index Fund Class K) are both mutual funds - TCIEX is a Large Cap Blend Equities fund tracking the MSCI EAFE Index, while SSSYX is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 10 years, TCIEX returned 10.00%/yr vs 45.49%/yr for SSSYX. A 0.77 correlation means they provide meaningful diversification when combined. TCIEX charges 0.05%/yr vs 0.02%/yr for SSSYX.

Performance

TCIEX vs. SSSYX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in TIAA-CREF International Equity Index Fund Institutional Class (TCIEX) and State Street Equity 500 Index Fund Class K (SSSYX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with TCIEX having a 8.47% return and SSSYX slightly lower at 8.21%. Over the past 10 years, TCIEX has underperformed SSSYX with an annualized return of 10.00%, while SSSYX has yielded a comparatively higher 45.49% annualized return.

TCIEX

• 1D: -2.07%
• 1M: 0.03%
• YTD: 8.47%
• 6M: 8.01%
• 1Y: 20.37%
• 3Y*: 16.77%
• 5Y*: 8.63%
• 10Y*: 10.00%

SSSYX

• 1D: -1.43%
• 1M: -1.33%
• YTD: 8.21%
• 6M: 6.88%
• 1Y: 22.31%
• 3Y*: 20.78%
• 5Y*: 13.11%
• 10Y*: 45.49%

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

TCIEX vs. SSSYX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TCIEX TIAA-CREF International Equity Index Fund Institutional Class	8.47%	31.55%	3.69%	18.21%	-14.19%	11.30%	8.13%	21.82%	-13.27%	25.34%
SSSYX State Street Equity 500 Index Fund Class K	8.21%	17.81%	24.99%	26.27%	-18.16%	28.51%	1,083.11%	31.38%	-4.38%	21.61%

Correlation

The correlation between TCIEX and SSSYX is 0.77, 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	0.77
Correlation (3Y) Calculated over the trailing 3-year period	0.72
Correlation (5Y) Calculated over the trailing 5-year period	0.76
Correlation (10Y) Calculated over the trailing 10-year period	0.77
Correlation (All Time) Calculated using the full available price history since Sep 18, 2014	0.77

The correlation between TCIEX and SSSYX has been stable across timeframes, ranging from 0.72 to 0.77 - a consistent structural relationship.

Return for Risk

TCIEX vs. SSSYX — Risk / Return Rank

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

TCIEX

TCIEX Risk / Return Rank: 30
TCIEX Sharpe Ratio Rank: 29
TCIEX Sortino Ratio Rank: 29
TCIEX Omega Ratio Rank: 29
TCIEX Calmar Ratio Rank: 31
TCIEX Martin Ratio Rank: 35

SSSYX

SSSYX Risk / Return Rank: 52
SSSYX Sharpe Ratio Rank: 49
SSSYX Sortino Ratio Rank: 45
SSSYX Omega Ratio Rank: 47
SSSYX Calmar Ratio Rank: 54
SSSYX Martin Ratio Rank: 66

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.

TCIEX vs. SSSYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for TIAA-CREF International Equity Index Fund Institutional Class (TCIEX) and State Street Equity 500 Index Fund Class K (SSSYX). 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.

	TCIEX	SSSYX	Difference
Sharpe ratio: Return per unit of total volatility	1.41	1.90	-0.49
Sortino ratio: Return per unit of downside risk	2.03	2.58	-0.56
Omega ratio: Gain probability vs. loss probability	1.26	1.34	-0.09
Calmar ratio: Return relative to maximum drawdown	1.95	2.68	-0.73
Martin ratio: Return relative to average drawdown	7.26	12.02	-4.76

TCIEX vs. SSSYX - Sharpe Ratio Comparison

The current TCIEX Sharpe Ratio is 1.41, which is comparable to the SSSYX Sharpe Ratio of 1.90. The chart below compares the historical Sharpe Ratios of TCIEX and SSSYX, 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

TCIEX vs. SSSYX - Drawdown Comparison

The maximum TCIEX drawdown since its inception was -59.27%, which is greater than SSSYX's maximum drawdown of -33.77%. Use the drawdown chart below to compare losses from any high point for TCIEX and SSSYX.

Drawdown Indicators

	TCIEX	SSSYX	Difference
Max Drawdown Largest peak-to-trough decline	-59.27%	-33.77%	-25.50%
Max Drawdown (1Y) Largest decline over 1 year	-11.35%	-8.88%	-2.47%
Max Drawdown (3Y) Largest decline over 3 years	-13.58%	-18.74%	+5.16%
Max Drawdown (5Y) Largest decline over 5 years	-29.25%	-24.49%	-4.76%
Max Drawdown (10Y) Largest decline over 10 years	-33.58%	-33.77%	+0.19%
Current Drawdown Current decline from peak	-2.07%	-3.12%	+1.05%
Average Drawdown Average peak-to-trough decline	-10.56%	-3.91%	-6.65%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.03%	1.97%	+1.06%

Volatility

TCIEX vs. SSSYX - Volatility Comparison

TIAA-CREF International Equity Index Fund Institutional Class (TCIEX) has a higher volatility of 5.26% compared to State Street Equity 500 Index Fund Class K (SSSYX) at 4.89%. This indicates that TCIEX's price experiences larger fluctuations and is considered to be riskier than SSSYX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TCIEX	SSSYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.26%	4.89%	+0.37%
Volatility (6M) Calculated over the trailing 6-month period	13.05%	9.92%	+3.13%
Volatility (1Y) Calculated over the trailing 1-year period	15.67%	12.56%	+3.11%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.21%	16.99%	-0.78%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.43%	121.18%	-104.75%

TCIEX vs. SSSYX - Expense Ratio Comparison

TCIEX has a 0.05% expense ratio, which is higher than SSSYX's 0.02% 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

TCIEX vs. SSSYX - Dividend Comparison

TCIEX's dividend yield for the trailing twelve months is around 3.59%, more than SSSYX's 1.33% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SSSYX State Street Equity 500 Index Fund Class K	1.33%	1.44%	1.63%	1.78%	2.16%	2.76%	1.86%	4.44%	5.18%	5.94%	2.07%	1.84%
TCIEX TIAA-CREF International Equity Index Fund Institutional Class	3.59%	3.89%	3.17%	3.14%	2.82%	3.02%	1.96%	3.08%	3.42%	2.78%	2.95%	3.06%

Frequently Asked Questions

Can I hold both TCIEX and SSSYX in my portfolio?

TCIEX and SSSYX have a correlation of 0.77, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TCIEX or SSSYX?

TCIEX has higher volatility (5.26%) compared to SSSYX (4.89%). In terms of maximum drawdown, TCIEX dropped -59.27% vs SSSYX's -33.77%.

Which has better risk-adjusted returns?

SSSYX currently has the higher Sharpe Ratio (1.90 vs 1.41), 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.