LCTU vs. PMMF

Last updated Apr 2, 2026

Compare and contrast key facts about BlackRock U.S. Carbon Transition Readiness ETF (LCTU) and iShares Prime Money Market ETF (PMMF).

LCTU and PMMF are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. LCTU is an actively managed fund by BlackRock. It was launched on Apr 6, 2021. PMMF is an actively managed fund by BlackRock. It was launched on Feb 4, 2025.

Performance

LCTU vs. PMMF - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in BlackRock U.S. Carbon Transition Readiness ETF (LCTU) and iShares Prime Money Market ETF (PMMF). The values are adjusted to include any dividend payments, if applicable.

LCTU vs. PMMF - Yearly Performance Comparison

	2026 (YTD)	2025
LCTU BlackRock U.S. Carbon Transition Readiness ETF	-4.34%	13.08%
PMMF iShares Prime Money Market ETF	0.88%	3.85%

Returns By Period

In the year-to-date period, LCTU achieves a -4.34% return, which is significantly lower than PMMF's 0.88% return.

LCTU

• 1D: 0.83%
• 1M: -4.51%
• YTD: -4.34%
• 6M: -2.35%
• 1Y: 17.34%
• 3Y*: 17.55%
• 5Y*: —
• 10Y*: —

PMMF

• 1D: 0.02%
• 1M: 0.27%
• YTD: 0.88%
• 6M: 1.88%
• 1Y: 4.08%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

LCTU vs. PMMF - Expense Ratio Comparison

LCTU has a 0.15% expense ratio, which is lower than PMMF's 0.20% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

PMMF

iShares Prime Money Market ETF

LCTU

BlackRock U.S. Carbon Transition Readiness ETF

Return for Risk

LCTU vs. PMMF — Risk / Return Rank

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

LCTU

LCTU Risk / Return Rank: 54
LCTU Sharpe Ratio Rank: 49
LCTU Sortino Ratio Rank: 51
LCTU Omega Ratio Rank: 55
LCTU Calmar Ratio Rank: 52
LCTU Martin Ratio Rank: 62

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: 99
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.

LCTU vs. PMMF - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BlackRock U.S. Carbon Transition Readiness ETF (LCTU) 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.

	LCTU	PMMF	Difference
Sharpe ratio Return per unit of total volatility	0.93	13.41	-12.48
Sortino ratio Return per unit of downside risk	1.43	25.32	-23.88
Omega ratio Gain probability vs. loss probability	1.22	11.73	-10.52
Calmar ratio Return relative to maximum drawdown	1.44	31.58	-30.14
Martin ratio Return relative to average drawdown	6.59	380.28	-373.69
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

LCTU vs. PMMF - Sharpe Ratio Comparison

The current LCTU Sharpe Ratio is 0.93, which is lower than the PMMF Sharpe Ratio of 13.41. The chart below compares the historical Sharpe Ratios of LCTU and PMMF, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	LCTU	PMMF	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.93	13.41	-12.48
Sharpe Ratio (All Time) Calculated using the full available price history	0.61	11.54	-10.93

Correlation

The correlation between LCTU and PMMF is 0.05, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

LCTU vs. PMMF - Dividend Comparison

LCTU's dividend yield for the trailing twelve months is around 1.06%, less than PMMF's 3.88% yield.

	TTM	2025	2024	2023	2022	2021
LCTU BlackRock U.S. Carbon Transition Readiness ETF	1.06%	1.02%	1.27%	1.46%	1.63%	2.20%
PMMF iShares Prime Money Market ETF	3.88%	3.59%	0.00%	0.00%	0.00%	0.00%

Drawdowns

LCTU vs. PMMF - Drawdown Comparison

The maximum LCTU drawdown since its inception was -25.93%, which is greater than PMMF's maximum drawdown of -0.13%. Use the drawdown chart below to compare losses from any high point for LCTU and PMMF.

Drawdown Indicators

	LCTU	PMMF	Difference
Max Drawdown Largest peak-to-trough decline	-25.93%	-0.13%	-25.80%
Max Drawdown (1Y) Largest decline over 1 year	-12.49%	-0.13%	-12.36%
Current Drawdown Current decline from peak	-5.99%	0.00%	-5.99%
Average Drawdown Average peak-to-trough decline	-6.51%	0.00%	-6.51%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.72%	0.01%	+2.71%

Volatility

LCTU vs. PMMF - Volatility Comparison

BlackRock U.S. Carbon Transition Readiness ETF (LCTU) has a higher volatility of 5.44% compared to iShares Prime Money Market ETF (PMMF) at 0.05%. This indicates that LCTU'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

	LCTU	PMMF	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.44%	0.05%	+5.39%
Volatility (6M) Calculated over the trailing 6-month period	9.87%	0.13%	+9.74%
Volatility (1Y) Calculated over the trailing 1-year period	18.77%	0.31%	+18.46%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.16%	0.36%	+16.80%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.16%	0.36%	+16.80%