XLK vs. VMFXX

Last updated Jun 16, 2026

XLK (State Street Technology Select Sector SPDR ETF) and VMFXX (Vanguard Federal Money Market Fund) are both funds - XLK is a Technology Equities fund tracking the S&P Technology Select Sector Daily Capped 35/20 Index, while VMFXX is a Money Market fund managed by Vanguard. Over the past 5 years, XLK returned 22.96%/yr vs 2.39%/yr for VMFXX. At a 0.02 correlation, their price movements are largely independent. XLK charges 0.08%/yr vs 0.11%/yr for VMFXX.

Performance

XLK vs. VMFXX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in State Street Technology Select Sector SPDR ETF (XLK) and Vanguard Federal Money Market Fund (VMFXX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, XLK achieves a 33.38% return, which is significantly higher than VMFXX's 1.50% return.

XLK

• 1D: 3.78%
• 1M: 8.81%
• YTD: 33.38%
• 6M: 35.15%
• 1Y: 61.29%
• 3Y*: 31.25%
• 5Y*: 22.96%
• 10Y*: 25.75%

VMFXX

• 1D: 0.00%
• 1M: 0.30%
• YTD: 1.50%
• 6M: 1.82%
• 1Y: 3.95%
• 3Y*: 3.35%
• 5Y*: 2.39%
• 10Y*: —

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

XLK vs. VMFXX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
XLK State Street Technology Select Sector SPDR ETF	33.38%	24.61%	21.63%	56.02%	-27.73%	26.13%
VMFXX Vanguard Federal Money Market Fund	1.50%	4.24%	1.64%	4.64%	0.00%	0.00%

Correlation

The correlation between XLK and VMFXX is -0.03, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.03
Correlation (3Y) Calculated over the trailing 3-year period	0.01
Correlation (5Y) Calculated over the trailing 5-year period	0.02
Correlation (All Time) Calculated using the full available price history since May 25, 2021	0.02

Return for Risk

XLK vs. VMFXX — Risk / Return Rank

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

XLK

XLK Risk / Return Rank: 82
XLK Sharpe Ratio Rank: 90
XLK Sortino Ratio Rank: 83
XLK Omega Ratio Rank: 83
XLK Calmar Ratio Rank: 82
XLK Martin Ratio Rank: 74

VMFXX

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.

XLK vs. VMFXX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for State Street Technology Select Sector SPDR ETF (XLK) and Vanguard Federal Money Market Fund (VMFXX). 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.

	XLK	VMFXX	Difference
Sharpe ratio: Return per unit of total volatility	2.71	3.67	-0.97
Sortino ratio: Return per unit of downside risk	3.26	—	—
Omega ratio: Gain probability vs. loss probability	1.44	—	—
Calmar ratio: Return relative to maximum drawdown	3.87	—	—
Martin ratio: Return relative to average drawdown	12.48	—	—

XLK vs. VMFXX - Sharpe Ratio Comparison

The current XLK Sharpe Ratio is 2.71, which is comparable to the VMFXX Sharpe Ratio of 3.67. The chart below compares the historical Sharpe Ratios of XLK and VMFXX, 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

XLK vs. VMFXX - Drawdown Comparison

The maximum XLK drawdown since its inception was -82.05%, which is greater than VMFXX's maximum drawdown of 0.00%. Use the drawdown chart below to compare losses from any high point for XLK and VMFXX.

Drawdown Indicators

	XLK	VMFXX	Difference
Max Drawdown Largest peak-to-trough decline	-82.05%	0.00%	-82.05%
Max Drawdown (1Y) Largest decline over 1 year	-15.92%	0.00%	-15.92%
Max Drawdown (3Y) Largest decline over 3 years	-25.66%	0.00%	-25.66%
Max Drawdown (5Y) Largest decline over 5 years	-33.56%	0.00%	-33.56%
Max Drawdown (10Y) Largest decline over 10 years	-33.56%	—	—
Current Drawdown Current decline from peak	-3.24%	0.00%	-3.24%
Average Drawdown Average peak-to-trough decline	-34.92%	0.00%	-34.92%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.92%	0.00%	+4.92%

Volatility

XLK vs. VMFXX - Volatility Comparison

State Street Technology Select Sector SPDR ETF (XLK) has a higher volatility of 11.35% compared to Vanguard Federal Money Market Fund (VMFXX) at 0.30%. This indicates that XLK's price experiences larger fluctuations and is considered to be riskier than VMFXX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	XLK	VMFXX	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.35%	0.30%	+11.05%
Volatility (6M) Calculated over the trailing 6-month period	19.24%	0.72%	+18.52%
Volatility (1Y) Calculated over the trailing 1-year period	22.81%	1.12%	+21.69%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	25.24%	0.94%	+24.30%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.68%	0.94%	+23.74%

XLK vs. VMFXX - Expense Ratio Comparison

XLK has a 0.08% expense ratio, which is lower than VMFXX's 0.11% 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

XLK vs. VMFXX - Dividend Comparison

XLK's dividend yield for the trailing twelve months is around 0.40%, less than VMFXX's 3.87% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
VMFXX Vanguard Federal Money Market Fund	3.87%	4.14%	1.63%	4.53%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
XLK State Street Technology Select Sector SPDR ETF	0.40%	0.54%	0.66%	0.76%	1.04%	0.65%	0.92%	1.16%	1.60%	1.37%	1.74%	1.79%

Frequently Asked Questions

Can I hold both XLK and VMFXX in my portfolio?

XLK and VMFXX have a correlation of -0.03, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, XLK or VMFXX?

XLK has higher volatility (11.35%) compared to VMFXX (0.30%). In terms of maximum drawdown, XLK dropped -82.05% vs VMFXX's 0.00%.

Which has better risk-adjusted returns?

VMFXX currently has the higher Sharpe Ratio (3.67 vs 2.71), 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.