SGVT vs. MMK

Last updated Jul 17, 2026

SGVT (Schwab Government Money Market ETF) and MMK (State Street Prime Money Market ETF) are both Money Market funds. Both are actively managed. At a 0.45 correlation, their price movements are largely independent. SGVT charges 0.28%/yr vs 0.18%/yr for MMK.

Performance

SGVT vs. MMK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Schwab Government Money Market ETF (SGVT) and State Street Prime Money Market ETF (MMK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

SGVT

• 1D: 0.01%
• 1M: 0.28%
• 6M: 1.68%
• YTD: 1.82%
• 1Y: 3.68%
• 3Y*: —
• 5Y*: —
• 10Y*: —

MMK

• 1D: 0.01%
• 1M: 0.30%
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

SGVT vs. MMK - Yearly Performance Comparison

	2026 (YTD)
SGVT Schwab Government Money Market ETF	1.43%
MMK State Street Prime Money Market ETF	1.53%

Correlation

The correlation between SGVT and MMK is 0.45, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (All Time) Calculated using the full available price history since Feb 12, 2026	0.45

Return for Risk

SGVT vs. MMK — Risk / Return Rank

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

SGVT

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

MMK

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

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.

SGVT vs. MMK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Schwab Government Money Market ETF (SGVT) and State Street Prime Money Market ETF (MMK). 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.

	SGVT	MMK	Difference
Sharpe ratio: Return per unit of total volatility	16.93	—	—
Sortino ratio: Return per unit of downside risk	81.82	—	—
Omega ratio: Gain probability vs. loss probability	28.11	—	—
Calmar ratio: Return relative to maximum drawdown	136.66	—	—
Martin ratio: Return relative to average drawdown	1,088.58	—	—

Drawdowns

SGVT vs. MMK - Drawdown Comparison

The maximum SGVT drawdown since its inception was -0.03%, which is greater than MMK's maximum drawdown of -0.01%. Use the drawdown chart below to compare losses from any high point for SGVT and MMK.

Drawdown Indicators

	SGVT	MMK	Difference
Max Drawdown Largest peak-to-trough decline	-0.03%	-0.01%	-0.02%
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

	SGVT	MMK	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.09%	—	—
Volatility (6M) Calculated over the trailing 6-month period	0.15%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	0.22%	0.18%	+0.04%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.22%	0.18%	+0.04%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.22%	0.18%	+0.04%

SGVT vs. MMK - Expense Ratio Comparison

SGVT has a 0.28% expense ratio, which is higher than MMK's 0.18% expense ratio.

Dividends

SGVT vs. MMK - Dividend Comparison

SGVT's dividend yield for the trailing twelve months is around 3.25%, more than MMK's 1.38% yield.

Position	TTM	2025
MMK State Street Prime Money Market ETF	1.38%	0.00%
SGVT Schwab Government Money Market ETF	3.25%	1.73%

Frequently Asked Questions

Can I hold both SGVT and MMK in my portfolio?

SGVT and MMK have a correlation of 0.45, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, SGVT or MMK?

On fees, MMK is cheaper at 0.18% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, SGVT or MMK?

MMK is cheaper with a 0.18% expense ratio, compared with 0.28% for SGVT.

Which ETF pays a higher dividend yield, SGVT or MMK?

SGVT has the higher dividend yield at 3.25%, compared with 1.38% for MMK.

What is the main difference between SGVT and MMK?

They also come from different issuers: Charles Schwab and State Street. Their fees differ too: 0.28% for SGVT and 0.18% for MMK.