CATH vs. FXAIX

Last updated Jun 19, 2026

CATH (Global X S&P 500 Catholic Values ETF) and FXAIX (Fidelity 500 Index Fund) are both S&P 500 funds - CATH tracks the S&P 500 Catholic Values Index while FXAIX tracks the S&P 500 Index. Both are passively managed. Over the past 10 years, CATH returned 14.83%/yr vs 15.53%/yr for FXAIX. Their correlation of 0.95 suggests significant overlap in exposure. CATH charges 0.29%/yr vs 0.02%/yr for FXAIX.

Performance

CATH vs. FXAIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Global X S&P 500 Catholic Values ETF (CATH) and Fidelity 500 Index Fund (FXAIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with CATH having a 8.63% return and FXAIX slightly higher at 9.01%. Both investments have delivered pretty close results over the past 10 years, with CATH having a 14.83% annualized return and FXAIX not far ahead at 15.53%.

CATH

• 1D: 1.08%
• 1M: 1.60%
• YTD: 8.63%
• 6M: 9.68%
• 1Y: 23.91%
• 3Y*: 19.32%
• 5Y*: 12.58%
• 10Y*: 14.83%

FXAIX

• 1D: -1.22%
• 1M: 1.02%
• YTD: 9.01%
• 6M: 10.18%
• 1Y: 25.55%
• 3Y*: 20.55%
• 5Y*: 13.85%
• 10Y*: 15.53%

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

CATH vs. FXAIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CATH Global X S&P 500 Catholic Values ETF	8.63%	17.08%	23.34%	26.15%	-19.96%	28.87%	18.80%	30.64%	-5.80%	22.83%
FXAIX Fidelity 500 Index Fund	9.01%	17.84%	25.01%	26.29%	-18.14%	28.71%	18.42%	31.48%	-4.43%	21.82%

Correlation

The correlation between CATH and FXAIX is 0.98 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.98
Correlation (3Y) Calculated over the trailing 3-year period	0.98
Correlation (5Y) Calculated over the trailing 5-year period	0.98
Correlation (10Y) Calculated over the trailing 10-year period	0.95
Correlation (All Time) Calculated using the full available price history since Apr 19, 2016	0.95

The correlation between CATH and FXAIX has been stable across timeframes, ranging from 0.95 to 0.98 - a consistent structural relationship.

Return for Risk

CATH vs. FXAIX — Risk / Return Rank

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

CATH

CATH Risk / Return Rank: 60
CATH Sharpe Ratio Rank: 61
CATH Sortino Ratio Rank: 58
CATH Omega Ratio Rank: 59
CATH Calmar Ratio Rank: 55
CATH Martin Ratio Rank: 65

FXAIX

FXAIX Risk / Return Rank: 63
FXAIX Sharpe Ratio Rank: 60
FXAIX Sortino Ratio Rank: 55
FXAIX Omega Ratio Rank: 57
FXAIX Calmar Ratio Rank: 65
FXAIX Martin Ratio Rank: 76

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.

CATH vs. FXAIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Global X S&P 500 Catholic Values ETF (CATH) and Fidelity 500 Index Fund (FXAIX). 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.

	CATH	FXAIX	Difference
Sharpe ratio: Return per unit of total volatility	1.90	2.06	-0.16
Sortino ratio: Return per unit of downside risk	2.59	2.80	-0.21
Omega ratio: Gain probability vs. loss probability	1.34	1.38	-0.03
Calmar ratio: Return relative to maximum drawdown	2.55	2.88	-0.33
Martin ratio: Return relative to average drawdown	11.11	13.04	-1.94

CATH vs. FXAIX - Sharpe Ratio Comparison

The current CATH Sharpe Ratio is 1.90, which is comparable to the FXAIX Sharpe Ratio of 2.06. The chart below compares the historical Sharpe Ratios of CATH and FXAIX, 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

CATH vs. FXAIX - Drawdown Comparison

The maximum CATH drawdown since its inception was -33.95%, roughly equal to the maximum FXAIX drawdown of -33.79%. Use the drawdown chart below to compare losses from any high point for CATH and FXAIX.

Drawdown Indicators

	CATH	FXAIX	Difference
Max Drawdown Largest peak-to-trough decline	-33.95%	-33.79%	-0.16%
Max Drawdown (1Y) Largest decline over 1 year	-9.42%	-8.89%	-0.53%
Max Drawdown (3Y) Largest decline over 3 years	-19.34%	-18.76%	-0.58%
Max Drawdown (5Y) Largest decline over 5 years	-28.14%	-24.50%	-3.64%
Max Drawdown (10Y) Largest decline over 10 years	-33.95%	-33.79%	-0.16%
Current Drawdown Current decline from peak	-1.37%	-2.42%	+1.05%
Average Drawdown Average peak-to-trough decline	-5.18%	-3.79%	-1.39%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.16%	1.96%	+0.20%

Volatility

CATH vs. FXAIX - Volatility Comparison

Global X S&P 500 Catholic Values ETF (CATH) and Fidelity 500 Index Fund (FXAIX) have volatilities of 4.54% and 4.71%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CATH	FXAIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.54%	4.71%	-0.17%
Volatility (6M) Calculated over the trailing 6-month period	9.90%	9.86%	+0.04%
Volatility (1Y) Calculated over the trailing 1-year period	12.62%	12.46%	+0.16%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.98%	17.01%	+0.97%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.64%	18.11%	+0.53%

CATH vs. FXAIX - Expense Ratio Comparison

CATH has a 0.29% expense ratio, which is higher than FXAIX's 0.02% expense ratio.

Dividends

CATH vs. FXAIX - Dividend Comparison

CATH's dividend yield for the trailing twelve months is around 0.77%, less than FXAIX's 1.05% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CATH Global X S&P 500 Catholic Values ETF	0.77%	0.84%	0.95%	1.16%	1.34%	1.03%	1.23%	0.68%	2.01%	1.27%	0.50%	0.00%
FXAIX Fidelity 500 Index Fund	1.05%	1.11%	1.25%	1.45%	1.69%	1.22%	1.60%	2.06%	2.72%	1.97%	2.52%	2.83%

Frequently Asked Questions

Can I hold both CATH and FXAIX in my portfolio?

With a correlation of 0.98, CATH and FXAIX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, CATH or FXAIX?

FXAIX has higher volatility (4.71%) compared to CATH (4.54%). In terms of maximum drawdown, CATH dropped -33.95% vs FXAIX's -33.79%.

Which has better risk-adjusted returns?

FXAIX currently has the higher Sharpe Ratio (2.06 vs 1.90), 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.