GABSX vs. FXAIX

Last updated Jun 25, 2026

GABSX (Gabelli Small Cap Growth Fund) and FXAIX (Fidelity 500 Index Fund) are both mutual funds - GABSX is a Small Cap Blend Equities fund managed by Gabelli, while FXAIX is a S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, GABSX returned 11.14%/yr vs 15.63%/yr for FXAIX. Their correlation of 0.84 suggests significant overlap in exposure. GABSX charges 1.38%/yr vs 0.02%/yr for FXAIX.

Performance

GABSX vs. FXAIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Gabelli Small Cap Growth Fund (GABSX) and Fidelity 500 Index Fund (FXAIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, GABSX achieves a 13.57% return, which is significantly higher than FXAIX's 8.21% return. Over the past 10 years, GABSX has underperformed FXAIX with an annualized return of 11.14%, while FXAIX has yielded a comparatively higher 15.63% annualized return.

GABSX

• 1D: -1.04%
• 1M: 5.08%
• YTD: 13.57%
• 6M: 11.23%
• 1Y: 23.88%
• 3Y*: 14.79%
• 5Y*: 8.98%
• 10Y*: 11.14%

FXAIX

• 1D: -1.43%
• 1M: -1.34%
• YTD: 8.21%
• 6M: 6.88%
• 1Y: 22.35%
• 3Y*: 20.81%
• 5Y*: 13.14%
• 10Y*: 15.63%

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

GABSX vs. FXAIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
GABSX Gabelli Small Cap Growth Fund	13.57%	8.65%	10.22%	21.45%	-12.63%	24.82%	13.63%	21.56%	-15.25%	19.05%
FXAIX Fidelity 500 Index Fund	8.21%	17.84%	25.01%	26.29%	-18.14%	28.71%	18.42%	31.48%	-4.43%	21.82%

Correlation

The correlation between GABSX and FXAIX is 0.67, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.67
Correlation (3Y) Calculated over the trailing 3-year period	0.73
Correlation (5Y) Calculated over the trailing 5-year period	0.79
Correlation (10Y) Calculated over the trailing 10-year period	0.80
Correlation (All Time) Calculated using the full available price history since May 4, 2011	0.84

The correlation between GABSX and FXAIX shifts across timeframes, from 0.67 (1 year) to 0.84 (all time), reflecting how their relationship changes across market environments.

Return for Risk

GABSX vs. FXAIX — Risk / Return Rank

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

GABSX

GABSX Risk / Return Rank: 36
GABSX Sharpe Ratio Rank: 34
GABSX Sortino Ratio Rank: 39
GABSX Omega Ratio Rank: 32
GABSX Calmar Ratio Rank: 40
GABSX Martin Ratio Rank: 37

FXAIX

FXAIX Risk / Return Rank: 52
FXAIX Sharpe Ratio Rank: 49
FXAIX Sortino Ratio Rank: 44
FXAIX Omega Ratio Rank: 47
FXAIX Calmar Ratio Rank: 53
FXAIX Martin Ratio Rank: 66

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.

GABSX vs. FXAIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Gabelli Small Cap Growth Fund (GABSX) 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.

	GABSX	FXAIX	Difference
Sharpe ratio: Return per unit of total volatility	1.53	1.90	-0.37
Sortino ratio: Return per unit of downside risk	2.36	2.59	-0.23
Omega ratio: Gain probability vs. loss probability	1.27	1.34	-0.08
Calmar ratio: Return relative to maximum drawdown	2.23	2.68	-0.45
Martin ratio: Return relative to average drawdown	7.47	12.03	-4.56

GABSX vs. FXAIX - Sharpe Ratio Comparison

The current GABSX Sharpe Ratio is 1.53, which is comparable to the FXAIX Sharpe Ratio of 1.90. The chart below compares the historical Sharpe Ratios of GABSX 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

GABSX vs. FXAIX - Drawdown Comparison

The maximum GABSX drawdown since its inception was -57.24%, which is greater than FXAIX's maximum drawdown of -33.79%. Use the drawdown chart below to compare losses from any high point for GABSX and FXAIX.

Drawdown Indicators

	GABSX	FXAIX	Difference
Max Drawdown Largest peak-to-trough decline	-57.24%	-33.79%	-23.45%
Max Drawdown (1Y) Largest decline over 1 year	-11.45%	-8.89%	-2.56%
Max Drawdown (3Y) Largest decline over 3 years	-23.43%	-18.76%	-4.67%
Max Drawdown (5Y) Largest decline over 5 years	-25.19%	-24.50%	-0.69%
Max Drawdown (10Y) Largest decline over 10 years	-40.74%	-33.79%	-6.95%
Current Drawdown Current decline from peak	-1.10%	-3.13%	+2.03%
Average Drawdown Average peak-to-trough decline	-6.97%	-3.79%	-3.18%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.41%	1.98%	+1.43%

Volatility

GABSX vs. FXAIX - Volatility Comparison

Gabelli Small Cap Growth Fund (GABSX) and Fidelity 500 Index Fund (FXAIX) have volatilities of 4.84% and 4.90%, 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

	GABSX	FXAIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.84%	4.90%	-0.06%
Volatility (6M) Calculated over the trailing 6-month period	12.48%	9.93%	+2.55%
Volatility (1Y) Calculated over the trailing 1-year period	16.73%	12.57%	+4.16%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.10%	17.02%	+2.08%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.98%	18.09%	+1.89%

GABSX vs. FXAIX - Expense Ratio Comparison

GABSX has a 1.38% expense ratio, which is higher than FXAIX's 0.02% expense ratio.

Dividends

GABSX vs. FXAIX - Dividend Comparison

GABSX's dividend yield for the trailing twelve months is around 3.51%, more than FXAIX's 1.06% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FXAIX Fidelity 500 Index Fund	1.06%	1.11%	1.25%	1.45%	1.69%	1.22%	1.60%	2.06%	2.72%	1.97%	2.52%	2.83%
GABSX Gabelli Small Cap Growth Fund	3.51%	3.98%	6.61%	8.68%	9.53%	13.50%	22.21%	21.36%	4.70%	5.38%	3.87%	3.78%

Frequently Asked Questions

Can I hold both GABSX and FXAIX in my portfolio?

GABSX and FXAIX have a correlation of 0.67, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, GABSX or FXAIX?

FXAIX has higher volatility (4.90%) compared to GABSX (4.84%). In terms of maximum drawdown, GABSX dropped -57.24% vs FXAIX's -33.79%.

Which has better risk-adjusted returns?

FXAIX currently has the higher Sharpe Ratio (1.90 vs 1.53), 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.