SBIL vs. GMMF

Last updated Apr 1, 2026

Compare and contrast key facts about Simplify Government Money Market ETF (SBIL) and iShares Government Money Market ETF (GMMF).

SBIL and GMMF are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. SBIL is an actively managed fund by Simplify. It was launched on Jul 14, 2025. GMMF is an actively managed fund by iShares. It was launched on Feb 4, 2025.

Performance

SBIL vs. GMMF - Performance Comparison

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

SBIL vs. GMMF - Yearly Performance Comparison

	2026 (YTD)	2025
SBIL Simplify Government Money Market ETF	0.86%	1.88%
GMMF iShares Government Money Market ETF	0.84%	1.87%

Returns By Period

The year-to-date returns for both stocks are quite close, with SBIL having a 0.86% return and GMMF slightly lower at 0.84%.

SBIL

• 1D: -0.00%
• 1M: 0.27%
• YTD: 0.86%
• 6M: 1.85%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

GMMF

• 1D: 0.00%
• 1M: 0.29%
• YTD: 0.84%
• 6M: 1.83%
• 1Y: 3.94%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

SBIL vs. GMMF - Expense Ratio Comparison

SBIL has a 0.15% expense ratio, which is lower than GMMF'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%.

GMMF

iShares Government Money Market ETF

SBIL

Simplify Government Money Market ETF

Return for Risk

SBIL vs. GMMF — Risk / Return Rank

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

GMMF

GMMF Risk / Return Rank: 100
GMMF Sharpe Ratio Rank: 100
GMMF Sortino Ratio Rank: 100
GMMF Omega Ratio Rank: 100
GMMF Calmar Ratio Rank: 100
GMMF 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.

SBIL vs. GMMF - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Simplify Government Money Market ETF (SBIL) and iShares Government Money Market ETF (GMMF). 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	SBIL	GMMF	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	16.80	—
Sharpe Ratio (All Time) Calculated using the full available price history	14.25	16.12	-1.87

Correlation

The correlation between SBIL and GMMF is 0.13, 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

SBIL vs. GMMF - Dividend Comparison

SBIL's dividend yield for the trailing twelve months is around 2.68%, less than GMMF's 3.73% yield.

	TTM	2025
SBIL Simplify Government Money Market ETF	2.68%	1.79%
GMMF iShares Government Money Market ETF	3.73%	3.45%

Drawdowns

SBIL vs. GMMF - Drawdown Comparison

The maximum SBIL drawdown since its inception was -0.03%, roughly equal to the maximum GMMF drawdown of -0.03%. Use the drawdown chart below to compare losses from any high point for SBIL and GMMF.

Drawdown Indicators

	SBIL	GMMF	Difference
Max Drawdown Largest peak-to-trough decline	-0.03%	-0.03%	0.00%
Max Drawdown (1Y) Largest decline over 1 year	—	-0.03%	—
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	—	0.00%	—

Volatility

Volatility by Period

	SBIL	GMMF	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	0.05%	—
Volatility (6M) Calculated over the trailing 6-month period	—	0.15%	—
Volatility (1Y) Calculated over the trailing 1-year period	0.28%	0.24%	+0.04%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.28%	0.25%	+0.03%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.28%	0.25%	+0.03%