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XOP vs. VMFXX
Performance
Return for Risk
Drawdowns
Volatility
Dividends

XOP vs. VMFXX

Last updated Jun 16, 2026

XOP (SPDR S&P Oil & Gas Exploration & Production ETF) and VMFXX (Vanguard Federal Money Market Fund) are both funds - XOP is a Energy Equities fund tracking the S&P Oil & Gas Exploration & Production Select Industry, while VMFXX is a Money Market fund managed by Vanguard. Over the past 5 years, XOP returned 12.85%/yr vs 2.39%/yr for VMFXX. At a 0.00 correlation, their price movements are largely independent. XOP charges 0.35%/yr vs 0.11%/yr for VMFXX.

Performance

XOP vs. VMFXX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SPDR S&P Oil & Gas Exploration & Production ETF (XOP) and Vanguard Federal Money Market Fund (VMFXX). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, XOP achieves a 25.93% return, which is significantly higher than VMFXX's 1.50% return.

XOP

1D
-4.22%
1M
-9.06%
YTD
25.93%
6M
23.31%
1Y
22.12%
3Y*
10.05%
5Y*
12.85%
10Y*
3.15%

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)

XOP vs. VMFXX - Yearly Performance Comparison

2026 (YTD)20252024202320222021
XOP
SPDR S&P Oil & Gas Exploration & Production ETF		25.93%-2.15%-1.00%3.56%45.37%10.83%
VMFXX
Vanguard Federal Money Market Fund		1.50%4.24%1.64%4.64%0.00%0.00%

Correlation

The correlation between XOP and VMFXX is -0.04, 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

-0.04

Correlation (3Y)
Calculated over the trailing 3-year period

-0.00

Correlation (5Y)
Calculated over the trailing 5-year period

0.00

Correlation (All Time)
Calculated using the full available price history since May 25, 2021

0.00

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SPDR S&P Oil & Gas Exploration & Production ETF

Vanguard Federal Money Market Fund

Often compared with XOP:
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Often compared with VMFXX:
VMFXX vs. VUSXXVMFXX vs. SPAXXVMFXX vs. SWVXXVMFXX vs. SGOVVMFXX vs. VMRXXVMFXX vs. BNDVMFXX vs. SNSXX

Return for Risk

XOP vs. VMFXX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
XOP
XOP Risk / Return Rank: 2626
Overall Rank
XOP Sharpe Ratio Rank: 2424
Sharpe Ratio Rank
XOP Sortino Ratio Rank: 2323
Sortino Ratio Rank
XOP Omega Ratio Rank: 2323
Omega Ratio Rank
XOP Calmar Ratio Rank: 3131
Calmar Ratio Rank
XOP Martin Ratio Rank: 2828
Martin Ratio Rank
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.

XOP vs. VMFXX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SPDR S&P Oil & Gas Exploration & Production ETF (XOP) 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.

XOPVMFXXDifference
Sharpe ratioReturn per unit of total volatility
0.79
3.67

-2.89

Sortino ratioReturn per unit of downside risk
1.18

—

—

Omega ratioGain probability vs. loss probability

1.14

—

—

Calmar ratioReturn relative to maximum drawdown

1.40

—

—

Martin ratioReturn relative to average drawdown

3.53

—

—

XOP vs. VMFXX - Sharpe Ratio Comparison

The current XOP Sharpe Ratio is 0.79, which is lower than the VMFXX Sharpe Ratio of 3.67. The chart below compares the historical Sharpe Ratios of XOP 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.

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Drawdowns

XOP vs. VMFXX - Drawdown Comparison

The maximum XOP drawdown since its inception was -90.27%, which is greater than VMFXX's maximum drawdown of 0.00%. Use the drawdown chart below to compare losses from any high point for XOP and VMFXX.

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Drawdown Indicators

XOPVMFXXDifference

Max Drawdown

Largest peak-to-trough decline

-90.27%

0.00%

-90.27%

Max Drawdown (1Y)

Largest decline over 1 year

-15.85%

0.00%

-15.85%

Max Drawdown (3Y)

Largest decline over 3 years

-34.98%

0.00%

-34.98%

Max Drawdown (5Y)

Largest decline over 5 years

-34.98%

0.00%

-34.98%

Max Drawdown (10Y)

Largest decline over 10 years

-82.61%

—

—

Current Drawdown

Current decline from peak

-41.14%

0.00%

-41.14%

Average Drawdown

Average peak-to-trough decline

-42.58%

0.00%

-42.58%

Ulcer Index

Depth and duration of drawdowns from previous peaks

6.28%

0.00%

+6.28%

Volatility

XOP vs. VMFXX - Volatility Comparison

SPDR S&P Oil & Gas Exploration & Production ETF (XOP) has a higher volatility of 9.98% compared to Vanguard Federal Money Market Fund (VMFXX) at 0.30%. This indicates that XOP'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.

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Volatility by Period

XOPVMFXXDifference

Volatility (1M)

Calculated over the trailing 1-month period

9.98%

0.30%

+9.68%

Volatility (6M)

Calculated over the trailing 6-month period

22.50%

0.72%

+21.78%

Volatility (1Y)

Calculated over the trailing 1-year period

28.29%

1.12%

+27.17%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

34.01%

0.94%

+33.07%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

40.30%

0.94%

+39.36%

XOP vs. VMFXX - Expense Ratio Comparison

XOP has a 0.35% expense ratio, which is higher than VMFXX's 0.11% expense ratio.

Dividends

XOP vs. VMFXX - Dividend Comparison

XOP's dividend yield for the trailing twelve months is around 2.05%, less than VMFXX's 3.87% yield.

PositionTTM20252024202320222021202020192018201720162015
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%
XOP
SPDR S&P Oil & Gas Exploration & Production ETF		2.05%2.62%2.45%2.63%2.47%1.61%2.34%1.47%0.99%0.76%0.76%2.21%

Frequently Asked Questions

XOP and VMFXX have a correlation of -0.04, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

XOP has higher volatility (9.98%) compared to VMFXX (0.30%). In terms of maximum drawdown, XOP dropped -90.27% vs VMFXX's 0.00%.

VMFXX currently has the higher Sharpe Ratio (3.67 vs 0.79), 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.

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