MMKT vs. PMMF

Last updated Apr 1, 2026

Compare and contrast key facts about Texas Capital Government Money Market ETF (MMKT) and iShares Prime Money Market ETF (PMMF).

MMKT and PMMF are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. MMKT is an actively managed fund by Texas Capital. It was launched on Sep 24, 2024. PMMF is an actively managed fund by BlackRock. It was launched on Feb 4, 2025.

Performance

MMKT vs. PMMF - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Texas Capital Government Money Market ETF (MMKT) and iShares Prime Money Market ETF (PMMF). The values are adjusted to include any dividend payments, if applicable.

MMKT vs. PMMF - Yearly Performance Comparison

	2026 (YTD)	2025
MMKT Texas Capital Government Money Market ETF	0.84%	3.69%
PMMF iShares Prime Money Market ETF	0.86%	3.85%

Returns By Period

The year-to-date returns for both investments are quite close, with MMKT having a 0.84% return and PMMF slightly higher at 0.86%.

MMKT

• 1D: 0.03%
• 1M: 0.28%
• YTD: 0.84%
• 6M: 1.81%
• 1Y: 3.94%
• 3Y*: —
• 5Y*: —
• 10Y*: —

PMMF

• 1D: 0.01%
• 1M: 0.28%
• YTD: 0.86%
• 6M: 1.87%
• 1Y: 4.07%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

MMKT vs. PMMF - Expense Ratio Comparison

Both MMKT and PMMF have an expense ratio of 0.20%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.

MMKT

Texas Capital Government Money Market ETF

PMMF

iShares Prime Money Market ETF

Return for Risk

MMKT vs. PMMF — Risk / Return Rank

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

MMKT

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

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.

MMKT vs. PMMF - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Texas Capital Government Money Market ETF (MMKT) 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.

	MMKT	PMMF	Difference
Sharpe ratio Return per unit of total volatility	15.67	13.39	+2.28
Sortino ratio Return per unit of downside risk	51.57	25.27	+26.29
Omega ratio Gain probability vs. loss probability	12.51	11.71	+0.79
Calmar ratio Return relative to maximum drawdown	93.84	31.70	+62.15
Martin ratio Return relative to average drawdown	761.18	381.69	+379.48
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MMKT vs. PMMF - Sharpe Ratio Comparison

The current MMKT Sharpe Ratio is 15.67, which is comparable to the PMMF Sharpe Ratio of 13.39. The chart below compares the historical Sharpe Ratios of MMKT 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

	MMKT	PMMF	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	15.67	13.39	+2.28
Sharpe Ratio (All Time) Calculated using the full available price history	17.44	11.51	+5.94

Correlation

The correlation between MMKT and PMMF is 0.09, 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

MMKT vs. PMMF - Dividend Comparison

MMKT's dividend yield for the trailing twelve months is around 3.85%, less than PMMF's 3.91% yield.

	TTM	2025	2024
MMKT Texas Capital Government Money Market ETF	3.85%	3.98%	1.07%
PMMF iShares Prime Money Market ETF	3.91%	3.59%	0.00%

Drawdowns

MMKT vs. PMMF - Drawdown Comparison

The maximum MMKT drawdown since its inception was -0.04%, smaller than the maximum PMMF drawdown of -0.13%. Use the drawdown chart below to compare losses from any high point for MMKT and PMMF.

Drawdown Indicators

	MMKT	PMMF	Difference
Max Drawdown Largest peak-to-trough decline	-0.04%	-0.13%	+0.09%
Max Drawdown (1Y) Largest decline over 1 year	-0.04%	-0.13%	+0.09%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	0.00%	0.00%	0.00%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.01%	0.01%	0.00%

Volatility

MMKT vs. PMMF - Volatility Comparison

Texas Capital Government Money Market ETF (MMKT) has a higher volatility of 0.08% compared to iShares Prime Money Market ETF (PMMF) at 0.05%. This indicates that MMKT'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

	MMKT	PMMF	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.08%	0.05%	+0.03%
Volatility (6M) Calculated over the trailing 6-month period	0.16%	0.13%	+0.03%
Volatility (1Y) Calculated over the trailing 1-year period	0.25%	0.31%	-0.06%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.24%	0.36%	-0.12%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.24%	0.36%	-0.12%