BDOAX vs. TRIEX

Last updated Jun 3, 2026

BDOAX (iShares MSCI Total International Index Fund Class A) and TRIEX (Nuveen International Equity Index Fund Retirement Class) are both International Equity funds - BDOAX tracks the MSCI All Country World ex US Index (Net TR) (USD) while TRIEX tracks the MSCI EAFE Index. Both are passively managed. Over the past 10 years, BDOAX returned 9.28%/yr vs 9.08%/yr for TRIEX. With a 0.97 correlation, they move nearly in lockstep. BDOAX charges 0.41%/yr vs 0.30%/yr for TRIEX.

Performance

BDOAX vs. TRIEX - Performance Comparison

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

Returns By Period

In the year-to-date period, BDOAX achieves a 14.90% return, which is significantly higher than TRIEX's 9.05% return. Both investments have delivered pretty close results over the past 10 years, with BDOAX having a 9.28% annualized return and TRIEX not far behind at 9.08%.

BDOAX

• 1D: 0.63%
• 1M: 4.90%
• YTD: 14.90%
• 6M: 17.92%
• 1Y: 31.85%
• 3Y*: 19.33%
• 5Y*: 8.16%
• 10Y*: 9.28%

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%

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

BDOAX vs. TRIEX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BDOAX iShares MSCI Total International Index Fund Class A	14.90%	32.20%	5.02%	14.81%	-16.63%	7.36%	10.47%	20.81%	-14.19%	26.16%
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%

Correlation

The correlation between BDOAX and TRIEX is 0.95 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.95
Correlation (3Y) Calculated over the trailing 3-year period	0.96
Correlation (5Y) Calculated over the trailing 5-year period	0.96
Correlation (10Y) Calculated over the trailing 10-year period	0.96
Correlation (All Time) Calculated using the full available price history since Jul 1, 2011	0.97

The correlation between BDOAX and TRIEX has been stable across timeframes, ranging from 0.95 to 0.97 - a consistent structural relationship.

Return for Risk

BDOAX vs. TRIEX — Risk / Return Rank

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

BDOAX

BDOAX Risk / Return Rank: 57
BDOAX Sharpe Ratio Rank: 59
BDOAX Sortino Ratio Rank: 53
BDOAX Omega Ratio Rank: 58
BDOAX Calmar Ratio Rank: 57
BDOAX Martin Ratio Rank: 56

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.

BDOAX vs. TRIEX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares MSCI Total International Index Fund Class A (BDOAX) and Nuveen International Equity Index Fund Retirement Class (TRIEX). 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.

	BDOAX	TRIEX	Difference
Sharpe ratio Return per unit of total volatility	2.27	1.46	+0.82
Sortino ratio Return per unit of downside risk	3.08	2.09	+0.99
Omega ratio Gain probability vs. loss probability	1.42	1.26	+0.16
Calmar ratio Return relative to maximum drawdown	2.89	2.01	+0.89
Martin ratio Return relative to average drawdown	11.39	7.51	+3.88
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BDOAX vs. TRIEX - Sharpe Ratio Comparison

The current BDOAX Sharpe Ratio is 2.27, which is higher than the TRIEX Sharpe Ratio of 1.46. The chart below compares the historical Sharpe Ratios of BDOAX and TRIEX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	BDOAX	TRIEX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.27	1.46	+0.82
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.53	0.52	+0.01
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.57	0.55	+0.03
Sharpe Ratio (All Time) Calculated using the full available price history	0.35	0.41	-0.06

Drawdowns

BDOAX vs. TRIEX - Drawdown Comparison

The maximum BDOAX drawdown since its inception was -35.53%, smaller than the maximum TRIEX drawdown of -60.73%. Use the drawdown chart below to compare losses from any high point for BDOAX and TRIEX.

Drawdown Indicators

	BDOAX	TRIEX	Difference
Max Drawdown Largest peak-to-trough decline	-35.53%	-60.73%	+25.20%
Max Drawdown (1Y) Largest decline over 1 year	-11.37%	-11.37%	0.00%
Max Drawdown (3Y) Largest decline over 3 years	-13.54%	-13.55%	+0.01%
Max Drawdown (5Y) Largest decline over 5 years	-30.54%	-29.44%	-1.10%
Max Drawdown (10Y) Largest decline over 10 years	-35.53%	-33.96%	-1.57%
Current Drawdown Current decline from peak	0.00%	-0.89%	+0.89%
Average Drawdown Average peak-to-trough decline	-8.72%	-11.44%	+2.72%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.89%	3.04%	-0.15%

Volatility

BDOAX vs. TRIEX - Volatility Comparison

iShares MSCI Total International Index Fund Class A (BDOAX) has a higher volatility of 5.02% compared to Nuveen International Equity Index Fund Retirement Class (TRIEX) at 4.73%. This indicates that BDOAX's price experiences larger fluctuations and is considered to be riskier than TRIEX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BDOAX	TRIEX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.02%	4.73%	+0.29%
Volatility (6M) Calculated over the trailing 6-month period	12.24%	12.33%	-0.09%
Volatility (1Y) Calculated over the trailing 1-year period	14.64%	15.17%	-0.53%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.44%	16.10%	-0.66%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.26%	16.65%	-0.39%

BDOAX vs. TRIEX - Expense Ratio Comparison

BDOAX has a 0.41% expense ratio, which is higher than TRIEX's 0.30% expense ratio.

Dividends

BDOAX vs. TRIEX - Dividend Comparison

BDOAX's dividend yield for the trailing twelve months is around 2.33%, less than TRIEX's 3.27% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BDOAX iShares MSCI Total International Index Fund Class A	2.33%	2.84%	2.62%	2.74%	2.61%	2.46%	1.79%	2.85%	3.05%	1.65%	3.33%	3.78%
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 BDOAX and TRIEX in my portfolio?

With a correlation of 0.95, BDOAX and TRIEX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, BDOAX or TRIEX?

BDOAX has higher volatility (5.02%) compared to TRIEX (4.73%). In terms of maximum drawdown, BDOAX dropped -35.53% vs TRIEX's -60.73%.

Which has better risk-adjusted returns?

BDOAX currently has the higher Sharpe Ratio (2.27 vs 1.46), 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.