PSI vs. VMFXX

Last updated Jun 9, 2026

PSI (Invesco Semiconductors ETF) and VMFXX (Vanguard Federal Money Market Fund) are both funds - PSI is a Semiconductors fund tracking the Dynamic Semiconductors Intellidex Index, while VMFXX is a Money Market fund managed by Vanguard. Over the past 5 years, PSI returned 30.45%/yr vs 2.39%/yr for VMFXX. At a correlation of -0.01, they often move in opposite directions. PSI charges 0.56%/yr vs 0.11%/yr for VMFXX.

Performance

PSI vs. VMFXX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco Semiconductors ETF (PSI) 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, PSI achieves a 93.40% return, which is significantly higher than VMFXX's 1.50% return.

PSI

• 1D: 5.16%
• 1M: 0.48%
• YTD: 93.40%
• 6M: 86.01%
• 1Y: 182.03%
• 3Y*: 52.78%
• 5Y*: 30.45%
• 10Y*: 33.31%

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)

PSI vs. VMFXX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
PSI Invesco Semiconductors ETF	93.40%	36.32%	17.17%	49.06%	-34.43%	26.75%
VMFXX Vanguard Federal Money Market Fund	1.50%	4.24%	1.64%	4.64%	0.00%	0.00%

Correlation

The correlation between PSI and VMFXX is -0.07, 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	-0.07
Correlation (3Y) Calculated over the trailing 3-year period	-0.03
Correlation (5Y) Calculated over the trailing 5-year period	-0.01
Correlation (All Time) Calculated using the full available price history since May 26, 2021	-0.01

PSI vs. VMFXX - Sectors Allocation Comparison

Sectors	PSI	VMFXX
Technology	97.6%	-
Industrials	2.4%	-
Basic Materials	-	-
Communication Services	-	-
Consumer Cyclical	-	-
Consumer Defensive	-	-
Energy	-	-
Financial Services	-	17.5%
Healthcare	-	-
Real Estate	-	-
Utilities	-	-

Return for Risk

PSI vs. VMFXX — Risk / Return Rank

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

PSI

PSI Risk / Return Rank: 96
PSI Sharpe Ratio Rank: 98
PSI Sortino Ratio Rank: 94
PSI Omega Ratio Rank: 94
PSI Calmar Ratio Rank: 98
PSI Martin Ratio Rank: 97

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.

PSI vs. VMFXX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Semiconductors ETF (PSI) 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.

	PSI	VMFXX	Difference
Sharpe ratio: Return per unit of total volatility	4.64	3.67	+0.97
Sortino ratio: Return per unit of downside risk	4.35	—	—
Omega ratio: Gain probability vs. loss probability	1.60	—	—
Calmar ratio: Return relative to maximum drawdown	11.84	—	—
Martin ratio: Return relative to average drawdown	42.10	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PSI vs. VMFXX - Sharpe Ratio Comparison

The current PSI Sharpe Ratio is 4.64, which is comparable to the VMFXX Sharpe Ratio of 3.67. The chart below compares the historical Sharpe Ratios of PSI 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.

Sharpe Ratios by Period

	PSI	VMFXX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	4.64	3.67	+0.97
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.80	2.60	-1.80
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.95	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.58	2.59	-2.02

Drawdowns

PSI vs. VMFXX - Drawdown Comparison

The maximum PSI drawdown since its inception was -62.96%, which is greater than VMFXX's maximum drawdown of 0.00%. Use the drawdown chart below to compare losses from any high point for PSI and VMFXX.

Drawdown Indicators

	PSI	VMFXX	Difference
Max Drawdown Largest peak-to-trough decline	-62.96%	0.00%	-62.96%
Max Drawdown (1Y) Largest decline over 1 year	-15.48%	0.00%	-15.48%
Max Drawdown (3Y) Largest decline over 3 years	-41.07%	0.00%	-41.07%
Max Drawdown (5Y) Largest decline over 5 years	-44.85%	0.00%	-44.85%
Max Drawdown (10Y) Largest decline over 10 years	-44.85%	—	—
Current Drawdown Current decline from peak	-6.89%	0.00%	-6.89%
Average Drawdown Average peak-to-trough decline	-15.93%	0.00%	-15.93%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.34%	0.00%	+4.34%

Volatility

PSI vs. VMFXX - Volatility Comparison

Invesco Semiconductors ETF (PSI) has a higher volatility of 18.07% compared to Vanguard Federal Money Market Fund (VMFXX) at 0.30%. This indicates that PSI'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

	PSI	VMFXX	Difference
Volatility (1M) Calculated over the trailing 1-month period	18.07%	0.30%	+17.77%
Volatility (6M) Calculated over the trailing 6-month period	32.42%	0.79%	+31.63%
Volatility (1Y) Calculated over the trailing 1-year period	39.52%	1.12%	+38.40%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	38.19%	0.94%	+37.25%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	35.29%	0.94%	+34.35%

PSI vs. VMFXX - Expense Ratio Comparison

PSI has a 0.56% expense ratio, which is higher than VMFXX's 0.11% expense ratio.

Dividends

PSI vs. VMFXX - Dividend Comparison

PSI's dividend yield for the trailing twelve months is around 0.05%, less than VMFXX's 3.87% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PSI Invesco Semiconductors ETF	0.05%	0.10%	0.15%	0.40%	0.61%	0.14%	0.21%	0.52%	0.83%	0.21%	0.68%	0.16%
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%

Frequently Asked Questions

Can I hold both PSI and VMFXX in my portfolio?

PSI and VMFXX have a correlation of -0.07, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PSI or VMFXX?

PSI has higher volatility (18.07%) compared to VMFXX (0.30%). In terms of maximum drawdown, PSI dropped -62.96% vs VMFXX's 0.00%.

Which has better risk-adjusted returns?

PSI currently has the higher Sharpe Ratio (4.64 vs 3.67), 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.