ICLO vs. PMMF

Last updated Jun 23, 2026

ICLO (Invesco Aaa CLO Floating Rate Note ETF) and PMMF (iShares Prime Money Market ETF) are both exchange-traded funds - ICLO is a CLO fund actively managed by Invesco, while PMMF is a Money Market fund actively managed by BlackRock. Both are actively managed. Over the past year, ICLO returned 5.52% vs 3.97% for PMMF. At a correlation of -0.07, they often move in opposite directions. ICLO charges 0.26%/yr vs 0.20%/yr for PMMF.

Performance

ICLO vs. PMMF - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco Aaa CLO Floating Rate Note ETF (ICLO) and iShares Prime Money Market ETF (PMMF). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ICLO achieves a 2.38% return, which is significantly higher than PMMF's 1.70% return.

ICLO

• 1D: 0.00%
• 1M: 0.61%
• YTD: 2.38%
• 6M: 2.48%
• 1Y: 5.52%
• 3Y*: 6.60%
• 5Y*: —
• 10Y*: —

PMMF

• 1D: 0.02%
• 1M: 0.26%
• YTD: 1.70%
• 6M: 1.80%
• 1Y: 3.97%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

ICLO vs. PMMF - Yearly Performance Comparison

	2026 (YTD)	2025
ICLO Invesco Aaa CLO Floating Rate Note ETF	2.38%	4.65%
PMMF iShares Prime Money Market ETF	1.70%	3.75%

Correlation

The correlation between ICLO and PMMF is -0.09, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.09
Correlation (All Time) Calculated using the full available price history since Feb 6, 2025	-0.07

Return for Risk

ICLO vs. PMMF — Risk / Return Rank

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

ICLO

ICLO Risk / Return Rank: 97
ICLO Sharpe Ratio Rank: 96
ICLO Sortino Ratio Rank: 98
ICLO Omega Ratio Rank: 97
ICLO Calmar Ratio Rank: 98
ICLO Martin Ratio Rank: 98

PMMF

PMMF Risk / Return Rank: 100
PMMF Sharpe Ratio Rank: 100
PMMF Sortino Ratio Rank: 100
PMMF Omega Ratio Rank: 100
PMMF Calmar Ratio Rank: 100
PMMF Martin Ratio Rank: 100

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.

ICLO vs. PMMF - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Aaa CLO Floating Rate Note ETF (ICLO) and iShares Prime Money Market ETF (PMMF). 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.

	ICLO	PMMF	Difference
Sharpe ratio: Return per unit of total volatility	4.01	19.46	-15.46
Sortino ratio: Return per unit of downside risk	6.72	91.93	-85.22
Omega ratio: Gain probability vs. loss probability	1.94	34.90	-32.96
Calmar ratio: Return relative to maximum drawdown	15.78	160.07	-144.29
Martin ratio: Return relative to average drawdown	65.95	1,439.37	-1,373.42

ICLO vs. PMMF - Sharpe Ratio Comparison

The current ICLO Sharpe Ratio is 4.01, which is lower than the PMMF Sharpe Ratio of 19.46. The chart below compares the historical Sharpe Ratios of ICLO and PMMF, 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

ICLO vs. PMMF - Drawdown Comparison

The maximum ICLO drawdown since its inception was -3.47%, which is greater than PMMF's maximum drawdown of -0.13%. Use the drawdown chart below to compare losses from any high point for ICLO and PMMF.

Drawdown Indicators

	ICLO	PMMF	Difference
Max Drawdown Largest peak-to-trough decline	-3.47%	-0.13%	-3.34%
Max Drawdown (1Y) Largest decline over 1 year	-0.35%	-0.02%	-0.33%
Max Drawdown (3Y) Largest decline over 3 years	-3.47%	—	—
Current Drawdown Current decline from peak	-0.09%	0.00%	-0.09%
Average Drawdown Average peak-to-trough decline	-0.06%	-0.00%	-0.06%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.08%	0.00%	+0.08%

Volatility

ICLO vs. PMMF - Volatility Comparison

Invesco Aaa CLO Floating Rate Note ETF (ICLO) has a higher volatility of 0.53% compared to iShares Prime Money Market ETF (PMMF) at 0.06%. This indicates that ICLO's price experiences larger fluctuations and is considered to be riskier than PMMF based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ICLO	PMMF	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.53%	0.06%	+0.47%
Volatility (6M) Calculated over the trailing 6-month period	0.88%	0.13%	+0.75%
Volatility (1Y) Calculated over the trailing 1-year period	1.39%	0.21%	+1.18%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.42%	0.35%	+2.07%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.42%	0.35%	+2.07%

ICLO vs. PMMF - Expense Ratio Comparison

ICLO has a 0.26% expense ratio, which is higher than PMMF's 0.20% 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

ICLO vs. PMMF - Dividend Comparison

ICLO's dividend yield for the trailing twelve months is around 5.50%, more than PMMF's 3.96% yield.

Position	TTM	2025	2024	2023
ICLO Invesco Aaa CLO Floating Rate Note ETF	5.50%	5.49%	6.51%	7.01%
PMMF iShares Prime Money Market ETF	3.96%	3.59%	0.00%	0.00%

Frequently Asked Questions

Can I hold both ICLO and PMMF in my portfolio?

ICLO and PMMF have a correlation of -0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ICLO or PMMF?

ICLO has higher volatility (0.53%) compared to PMMF (0.06%). In terms of maximum drawdown, ICLO dropped -3.47% vs PMMF's -0.13%.

Which ETF is better, ICLO or PMMF?

On 1-year performance, ICLO leads with 5.52% vs 3.97% for PMMF. On fees, PMMF is cheaper at 0.20% per year. On volatility, PMMF has been the lower-risk option at 0.06%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, ICLO or PMMF?

Over the 1-year period, ICLO has performed better with a 5.52% return vs 3.97%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, ICLO or PMMF?

PMMF is cheaper with a 0.20% expense ratio, compared with 0.26% for ICLO.

Which ETF pays a higher dividend yield, ICLO or PMMF?

ICLO has the higher dividend yield at 5.50%, compared with 3.96% for PMMF.

What is the main difference between ICLO and PMMF?

ICLO is categorized as CLO, while PMMF is Money Market. They also come from different issuers: Invesco and BlackRock. Their fees differ too: 0.26% for ICLO and 0.20% for PMMF.

Which has better risk-adjusted returns?

PMMF currently has the higher Sharpe Ratio (19.46 vs 4.01), 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.