XFLX vs. SPY

Last updated Apr 1, 2026

Compare and contrast key facts about FundX Flexible ETF (XFLX) and State Street SPDR S&P 500 ETF (SPY).

XFLX and SPY are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. XFLX is an actively managed fund by FundX. It was launched on Jul 1, 2002. SPY is a passively managed fund by State Street that tracks the performance of the S&P 500 Index. It was launched on Jan 22, 1993.

Performance

XFLX vs. SPY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in FundX Flexible ETF (XFLX) and State Street SPDR S&P 500 ETF (SPY). The values are adjusted to include any dividend payments, if applicable.

XFLX vs. SPY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
XFLX FundX Flexible ETF	-0.46%	2.56%	4.01%	3.90%
SPY State Street SPDR S&P 500 ETF	-4.37%	17.72%	24.89%	10.40%

Returns By Period

In the year-to-date period, XFLX achieves a -0.46% return, which is significantly higher than SPY's -4.37% return.

XFLX

• 1D: 0.72%
• 1M: -1.88%
• YTD: -0.46%
• 6M: 0.09%
• 1Y: 2.35%
• 3Y*: —
• 5Y*: —
• 10Y*: —

SPY

• 1D: 2.91%
• 1M: -4.94%
• YTD: -4.37%
• 6M: -1.82%
• 1Y: 17.59%
• 3Y*: 18.19%
• 5Y*: 11.69%
• 10Y*: 13.98%

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

XFLX vs. SPY - Expense Ratio Comparison

XFLX has a 1.17% expense ratio, which is higher than SPY's 0.09% expense ratio.

XFLX

FundX Flexible ETF

SPY

State Street SPDR S&P 500 ETF

Return for Risk

XFLX vs. SPY — Risk / Return Rank

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

XFLX

XFLX Risk / Return Rank: 24
XFLX Sharpe Ratio Rank: 25
XFLX Sortino Ratio Rank: 23
XFLX Omega Ratio Rank: 27
XFLX Calmar Ratio Rank: 22
XFLX Martin Ratio Rank: 25

SPY

SPY Risk / Return Rank: 64
SPY Sharpe Ratio Rank: 56
SPY Sortino Ratio Rank: 60
SPY Omega Ratio Rank: 65
SPY Calmar Ratio Rank: 65
SPY Martin Ratio Rank: 75

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.

XFLX vs. SPY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for FundX Flexible ETF (XFLX) and State Street SPDR S&P 500 ETF (SPY). 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.

	XFLX	SPY	Difference
Sharpe ratio Return per unit of total volatility	0.45	0.93	-0.48
Sortino ratio Return per unit of downside risk	0.64	1.45	-0.82
Omega ratio Gain probability vs. loss probability	1.11	1.22	-0.11
Calmar ratio Return relative to maximum drawdown	0.47	1.53	-1.06
Martin ratio Return relative to average drawdown	1.91	7.30	-5.38
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

XFLX vs. SPY - Sharpe Ratio Comparison

The current XFLX Sharpe Ratio is 0.45, which is lower than the SPY Sharpe Ratio of 0.93. The chart below compares the historical Sharpe Ratios of XFLX and SPY, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	XFLX	SPY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.45	0.93	-0.48
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.69	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.78	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.86	0.56	+0.30

Correlation

The correlation between XFLX and SPY is 0.65, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

XFLX vs. SPY - Dividend Comparison

XFLX's dividend yield for the trailing twelve months is around 9.84%, more than SPY's 1.14% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
XFLX FundX Flexible ETF	9.84%	9.80%	4.55%	4.05%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SPY State Street SPDR S&P 500 ETF	1.14%	1.07%	1.21%	1.40%	1.65%	1.20%	1.52%	1.75%	2.04%	1.80%	2.03%	2.06%

Drawdowns

XFLX vs. SPY - Drawdown Comparison

The maximum XFLX drawdown since its inception was -6.54%, smaller than the maximum SPY drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for XFLX and SPY.

Drawdown Indicators

	XFLX	SPY	Difference
Max Drawdown Largest peak-to-trough decline	-6.54%	-55.19%	+48.65%
Max Drawdown (1Y) Largest decline over 1 year	-4.97%	-12.05%	+7.08%
Max Drawdown (5Y) Largest decline over 5 years	—	-24.50%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-33.72%	—
Current Drawdown Current decline from peak	-2.04%	-6.24%	+4.20%
Average Drawdown Average peak-to-trough decline	-0.95%	-9.09%	+8.14%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.22%	2.52%	-1.30%

Volatility

XFLX vs. SPY - Volatility Comparison

The current volatility for FundX Flexible ETF (XFLX) is 2.12%, while State Street SPDR S&P 500 ETF (SPY) has a volatility of 5.31%. This indicates that XFLX experiences smaller price fluctuations and is considered to be less risky than SPY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	XFLX	SPY	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.12%	5.31%	-3.19%
Volatility (6M) Calculated over the trailing 6-month period	2.85%	9.47%	-6.62%
Volatility (1Y) Calculated over the trailing 1-year period	5.27%	19.05%	-13.78%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.74%	17.06%	-12.32%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.74%	17.92%	-13.18%