TIER vs. ACLO

Last updated Jul 12, 2026

TIER (T. Rowe Price International Equity Research ETF) and ACLO (TCW AAA CLO ETF) are both exchange-traded funds - TIER is a Foreign Large Cap Equities fund actively managed by T. Rowe Price, while ACLO is a CLO fund actively managed by TCW. Both are actively managed. Over the past year, TIER returned 28.04% vs 5.19% for ACLO. At a correlation of -0.12, they often move in opposite directions. TIER charges 0.38%/yr vs 0.20%/yr for ACLO.

Performance

TIER vs. ACLO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T. Rowe Price International Equity Research ETF (TIER) and TCW AAA CLO ETF (ACLO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TIER achieves a 14.16% return, which is significantly higher than ACLO's 2.69% return.

TIER

• 1D: 0.13%
• 1M: 0.33%
• 6M: 10.39%
• YTD: 14.16%
• 1Y: 28.04%
• 3Y*: —
• 5Y*: —
• 10Y*: —

ACLO

• 1D: 0.02%
• 1M: 0.38%
• 6M: 2.47%
• YTD: 2.69%
• 1Y: 5.19%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

TIER vs. ACLO - Yearly Performance Comparison

	2026 (YTD)	2025
TIER T. Rowe Price International Equity Research ETF	14.16%	12.72%
ACLO TCW AAA CLO ETF	2.69%	2.80%

Correlation

The correlation between TIER and ACLO is -0.12, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.12
Correlation (All Time) Calculated using the full available price history since Jun 26, 2025	-0.12

Return for Risk

TIER vs. ACLO — Risk / Return Rank

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

TIER

TIER Risk / Return Rank: 61
TIER Sharpe Ratio Rank: 61
TIER Sortino Ratio Rank: 61
TIER Omega Ratio Rank: 63
TIER Calmar Ratio Rank: 56
TIER Martin Ratio Rank: 62

ACLO

ACLO Risk / Return Rank: 99
ACLO Sharpe Ratio Rank: 99
ACLO Sortino Ratio Rank: 99
ACLO Omega Ratio Rank: 99
ACLO Calmar Ratio Rank: 99
ACLO Martin Ratio Rank: 99

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.

TIER vs. ACLO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price International Equity Research ETF (TIER) and TCW AAA CLO ETF (ACLO). 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.

	TIER	ACLO	Difference
Sharpe ratio: Return per unit of total volatility	1.63	7.19	-5.56
Sortino ratio: Return per unit of downside risk	2.29	14.83	-12.54
Omega ratio: Gain probability vs. loss probability	1.31	3.38	-2.07
Calmar ratio: Return relative to maximum drawdown	2.25	19.47	-17.21
Martin ratio: Return relative to average drawdown	8.71	161.89	-153.17

TIER vs. ACLO - Sharpe Ratio Comparison

The current TIER Sharpe Ratio is 1.63, which is lower than the ACLO Sharpe Ratio of 7.19. The chart below compares the historical Sharpe Ratios of TIER and ACLO, 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

TIER vs. ACLO - Drawdown Comparison

The maximum TIER drawdown since its inception was -12.07%, which is greater than ACLO's maximum drawdown of -1.01%. Use the drawdown chart below to compare losses from any high point for TIER and ACLO.

Drawdown Indicators

	TIER	ACLO	Difference
Max Drawdown Largest peak-to-trough decline	-12.07%	-1.01%	-11.06%
Max Drawdown (1Y) Largest decline over 1 year	-12.07%	-0.27%	-11.80%
Current Drawdown Current decline from peak	-2.02%	0.00%	-2.02%
Average Drawdown Average peak-to-trough decline	-1.81%	-0.04%	-1.77%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.11%	0.03%	+3.08%

Volatility

TIER vs. ACLO - Volatility Comparison

T. Rowe Price International Equity Research ETF (TIER) has a higher volatility of 6.14% compared to TCW AAA CLO ETF (ACLO) at 0.19%. This indicates that TIER's price experiences larger fluctuations and is considered to be riskier than ACLO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TIER	ACLO	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.14%	0.19%	+5.95%
Volatility (6M) Calculated over the trailing 6-month period	14.72%	0.56%	+14.16%
Volatility (1Y) Calculated over the trailing 1-year period	16.67%	0.73%	+15.94%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.43%	1.06%	+15.37%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.43%	1.06%	+15.37%

TIER vs. ACLO - Expense Ratio Comparison

TIER has a 0.38% expense ratio, which is higher than ACLO's 0.20% expense ratio.

Dividends

TIER vs. ACLO - Dividend Comparison

TIER's dividend yield for the trailing twelve months is around 0.65%, less than ACLO's 4.90% yield.

Position	TTM	2025	2024
ACLO TCW AAA CLO ETF	4.90%	4.87%	0.59%
TIER T. Rowe Price International Equity Research ETF	0.65%	0.74%	0.00%

Frequently Asked Questions

Can I hold both TIER and ACLO in my portfolio?

TIER and ACLO have a correlation of -0.12, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TIER or ACLO?

TIER has higher volatility (6.14%) compared to ACLO (0.19%). In terms of maximum drawdown, TIER dropped -12.07% vs ACLO's -1.01%.

Which ETF is better, TIER or ACLO?

On 1-year performance, TIER leads with 28.04% vs 5.19% for ACLO. On fees, ACLO is cheaper at 0.20% per year. On volatility, ACLO has been the lower-risk option at 0.19%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, TIER or ACLO?

Over the 1-year period, TIER has performed better with a 28.04% return vs 5.19%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, TIER or ACLO?

ACLO is cheaper with a 0.20% expense ratio, compared with 0.38% for TIER.

Which ETF pays a higher dividend yield, TIER or ACLO?

ACLO has the higher dividend yield at 4.90%, compared with 0.65% for TIER.

What is the main difference between TIER and ACLO?

TIER is categorized as Foreign Large Cap Equities, while ACLO is CLO. They also come from different issuers: T. Rowe Price and TCW. Their fees differ too: 0.38% for TIER and 0.20% for ACLO.

Which has better risk-adjusted returns?

ACLO currently has the higher Sharpe Ratio (7.19 vs 1.63), 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.