TRIEX vs. DIAX

Last updated Jun 3, 2026

TRIEX (Nuveen International Equity Index Fund Retirement Class) and DIAX (Dimensional International Core Equity Fund) are both International Equity funds. A 0.63 correlation means they provide meaningful diversification when combined. TRIEX charges 0.30%/yr vs 0.01%/yr for DIAX.

Performance

TRIEX vs. DIAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Nuveen International Equity Index Fund Retirement Class (TRIEX) and Dimensional International Core Equity Fund (DIAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

TRIEX

• 1D: -0.26%
• 1M: 2.56%
• YTD: 9.05%
• 6M: 11.95%
• 1Y: 20.55%
• 3Y*: 16.65%
• 5Y*: 8.37%
• 10Y*: 9.08%

DIAX

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

TRIEX vs. DIAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TRIEX Nuveen International Equity Index Fund Retirement Class	9.05%	31.24%	3.41%	17.93%	-14.44%	11.08%	7.85%	21.58%	-13.56%	25.06%
DIAX Dimensional International Core Equity Fund	-5.70%	10.13%	16.51%	-2.11%	-6.11%	24.72%	-6.85%	16.99%	-8.53%	33.77%

Correlation

The correlation between TRIEX and DIAX is 0.50, 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	0.50
Correlation (3Y) Calculated over the trailing 3-year period	0.52
Correlation (5Y) Calculated over the trailing 5-year period	0.61
Correlation (10Y) Calculated over the trailing 10-year period	0.62
Correlation (All Time) Calculated using the full available price history since Dec 4, 2014	0.63

The correlation between TRIEX and DIAX shifts across timeframes, from 0.50 (1 year) to 0.63 (all time), reflecting how their relationship changes across market environments.

Return for Risk

TRIEX vs. DIAX — Risk / Return Rank

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

TRIEX

TRIEX Risk / Return Rank: 27
TRIEX Sharpe Ratio Rank: 26
TRIEX Sortino Ratio Rank: 25
TRIEX Omega Ratio Rank: 25
TRIEX Calmar Ratio Rank: 29
TRIEX Martin Ratio Rank: 33

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.

TRIEX vs. DIAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Nuveen International Equity Index Fund Retirement Class (TRIEX) and Dimensional International Core Equity Fund (DIAX). 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.

	TRIEX	DIAX	Difference
Sharpe ratio Return per unit of total volatility	1.46	—	—
Sortino ratio Return per unit of downside risk	2.09	—	—
Omega ratio Gain probability vs. loss probability	1.26	—	—
Calmar ratio Return relative to maximum drawdown	2.01	—	—
Martin ratio Return relative to average drawdown	7.51	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	TRIEX	DIAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.46	—	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.52	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.55	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.41	—	—

Drawdowns

Drawdown Indicators

	TRIEX	DIAX	Difference
Max Drawdown Largest peak-to-trough decline	-60.73%	—	—
Max Drawdown (1Y) Largest decline over 1 year	-11.37%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-13.55%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-29.44%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-33.96%	—	—
Current Drawdown Current decline from peak	-0.89%	—	—
Average Drawdown Average peak-to-trough decline	-11.44%	—	—
Ulcer Index Depth and duration of drawdowns from previous peaks	3.04%	—	—

Volatility

Volatility by Period

	TRIEX	DIAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.73%	—	—
Volatility (6M) Calculated over the trailing 6-month period	12.33%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	15.17%	—	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.10%	—	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.65%	—	—

TRIEX vs. DIAX - Expense Ratio Comparison

TRIEX has a 0.30% expense ratio, which is higher than DIAX's 0.01% expense ratio.

Dividends

TRIEX vs. DIAX - Dividend Comparison

TRIEX's dividend yield for the trailing twelve months is around 3.27%, less than DIAX's 8.54% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DIAX Dimensional International Core Equity Fund	8.54%	7.89%	7.71%	8.19%	7.39%	6.15%	7.33%	6.68%	7.69%	5.63%	6.95%	7.41%
TRIEX Nuveen International Equity Index Fund Retirement Class	3.27%	3.57%	2.84%	2.83%	2.49%	2.69%	1.70%	2.78%	3.05%	2.51%	2.65%	2.72%

Frequently Asked Questions

Can I hold both TRIEX and DIAX in my portfolio?

TRIEX and DIAX have a correlation of 0.50, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.