GMMF vs. IBIT

Last updated Jul 22, 2026

GMMF (iShares Government Money Market ETF) and IBIT (iShares Bitcoin Trust ETF) are both exchange-traded funds - GMMF is a Money Market fund actively managed by iShares, while IBIT is a Cryptocurrency fund tracking the CME CF Bitcoin Reference Rate - New York Variant. GMMF is actively managed, while IBIT is passively managed. Over the past year, GMMF returned 3.75% vs -43.21% for IBIT. At a 0.01 correlation, their price movements are largely independent. GMMF charges 0.20%/yr vs 0.25%/yr for IBIT.

Performance

GMMF vs. IBIT - Performance Comparison

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

Returns By Period

In the year-to-date period, GMMF achieves a 1.92% return, which is significantly higher than IBIT's -24.13% return.

GMMF

• 1D: 0.01%
• 1M: 0.30%
• 6M: 1.73%
• YTD: 1.92%
• 1Y: 3.75%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 3.88%

IBIT

• 1D: 2.11%
• 1M: 5.76%
• 6M: -25.79%
• YTD: -24.13%
• 1Y: -43.21%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 12.57%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
GMMF iShares Government Money Market ETF	$1.99M	$2.53M	$3.36M

GMMF vs. IBIT - Yearly Performance Comparison

	2026 (YTD)	2025
GMMF iShares Government Money Market ETF	1.92%	3.70%
IBIT iShares Bitcoin Trust ETF	-24.13%	-11.54%

Correlation

The correlation between GMMF and IBIT is 0.11, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.11
Correlation (All Time) Calculated using the full available price history since Feb 5, 2025	0.01

Return for Risk

GMMF vs. IBIT — 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

IBIT

IBIT Risk / Return Rank: 2
IBIT Sharpe Ratio Rank: 2
IBIT Sortino Ratio Rank: 2
IBIT Omega Ratio Rank: 2
IBIT Calmar Ratio Rank: 2
IBIT Martin Ratio Rank: 3

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.

GMMF vs. IBIT - Risk-Adjusted Trends Comparison

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

	GMMF	IBIT	Difference
Sharpe ratio: Return per unit of total volatility	18.86	-0.98	+19.84
Sortino ratio: Return per unit of downside risk	139.34	-1.42	+140.76
Omega ratio: Gain probability vs. loss probability	40.52	0.84	+39.68
Calmar ratio: Return relative to maximum drawdown	251.61	-0.81	+252.42
Martin ratio: Return relative to average drawdown	2,214.08	-1.29	+2,215.37

GMMF vs. IBIT - Sharpe Ratio Comparison

The current GMMF Sharpe Ratio is 18.86, which is higher than the IBIT Sharpe Ratio of -0.98. The chart below compares the historical Sharpe Ratios of GMMF and IBIT, 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

GMMF vs. IBIT - Drawdown Comparison

The maximum GMMF drawdown since its inception was -0.03%, smaller than the maximum IBIT drawdown of -53.30%. Use the drawdown chart below to compare losses from any high point for GMMF and IBIT.

Drawdown Indicators

	GMMF	IBIT	Difference
Max Drawdown Largest peak-to-trough decline	-0.03%	-53.30%	+53.27%
Max Drawdown (1Y) Largest decline over 1 year	-0.01%	-53.30%	+53.29%
Current Drawdown Current decline from peak	0.00%	-47.16%	+47.16%
Average Drawdown Average peak-to-trough decline	-0.00%	-17.85%	+17.85%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.00%	33.56%	-33.56%

Volatility

GMMF vs. IBIT - Volatility Comparison

The current volatility for iShares Government Money Market ETF (GMMF) is 0.05%, while iShares Bitcoin Trust ETF (IBIT) has a volatility of 10.61%. This indicates that GMMF experiences smaller price fluctuations and is considered to be less risky than IBIT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GMMF	IBIT	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.05%	10.61%	-10.56%
Volatility (6M) Calculated over the trailing 6-month period	0.13%	34.67%	-34.54%
Volatility (1Y) Calculated over the trailing 1-year period	0.20%	44.37%	-44.17%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.24%	49.82%	-49.58%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.24%	49.82%	-49.58%

GMMF vs. IBIT - Expense Ratio Comparison

GMMF has a 0.20% expense ratio, which is lower than IBIT's 0.25% 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%.

Dividends

GMMF vs. IBIT - Dividend Comparison

GMMF's dividend yield for the trailing twelve months is around 3.72%, while IBIT has not paid dividends to shareholders.

Position	TTM	2025
GMMF iShares Government Money Market ETF	3.72%	3.45%
IBIT iShares Bitcoin Trust ETF	0.00%	0.00%

Frequently Asked Questions

Can I hold both GMMF and IBIT in my portfolio?

GMMF and IBIT have a correlation of 0.11, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, GMMF or IBIT?

IBIT has higher volatility (10.61%) compared to GMMF (0.05%). In terms of maximum drawdown, GMMF dropped -0.03% vs IBIT's -53.30%.

Which ETF is better, GMMF or IBIT?

On 1-year performance, GMMF leads with 3.75% vs -43.21% for IBIT. On fees, GMMF is cheaper at 0.20% per year. On volatility, GMMF has been the lower-risk option at 0.05%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, GMMF or IBIT?

Over the 1-year period, GMMF has performed better with a 3.75% return vs -43.21%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, GMMF or IBIT?

GMMF is cheaper with a 0.20% expense ratio, compared with 0.25% for IBIT.

Which ETF pays a higher dividend yield, GMMF or IBIT?

GMMF has the higher dividend yield at 3.72%, compared with 0.00% for IBIT.

What is the main difference between GMMF and IBIT?

GMMF is categorized as Money Market, while IBIT is Cryptocurrency. Their fees differ too: 0.20% for GMMF and 0.25% for IBIT.

Which has better risk-adjusted returns?

GMMF currently has the higher Sharpe Ratio (18.86 vs -0.98), 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.