FCDAX vs. FSSNX

Last updated Jun 4, 2026

FCDAX (Fidelity Advisor Stock Selector Small Cap Fund Class A) and FSSNX (Fidelity Small Cap Index Fund) are both Small Cap Blend Equities funds from Fidelity. Over the past 10 years, FCDAX returned 12.56%/yr vs 11.22%/yr for FSSNX. With a 0.98 correlation, they move nearly in lockstep. FCDAX charges 1.19%/yr vs 0.03%/yr for FSSNX.

Performance

FCDAX vs. FSSNX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Advisor Stock Selector Small Cap Fund Class A (FCDAX) and Fidelity Small Cap Index Fund (FSSNX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FCDAX achieves a 15.79% return, which is significantly lower than FSSNX's 18.72% return. Over the past 10 years, FCDAX has outperformed FSSNX with an annualized return of 12.56%, while FSSNX has yielded a comparatively lower 11.22% annualized return.

FCDAX

• 1D: 0.83%
• 1M: 0.96%
• YTD: 15.79%
• 6M: 14.35%
• 1Y: 38.50%
• 3Y*: 19.45%
• 5Y*: 9.62%
• 10Y*: 12.56%

FSSNX

• 1D: 0.91%
• 1M: 4.97%
• YTD: 18.72%
• 6M: 17.45%
• 1Y: 41.33%
• 3Y*: 18.75%
• 5Y*: 6.72%
• 10Y*: 11.22%

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

FCDAX vs. FSSNX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FCDAX Fidelity Advisor Stock Selector Small Cap Fund Class A	15.79%	14.04%	14.16%	19.09%	-18.47%	24.38%	21.39%	30.05%	-9.16%	11.34%
FSSNX Fidelity Small Cap Index Fund	18.72%	12.94%	11.71%	17.11%	-20.28%	14.70%	19.99%	25.70%	-11.24%	14.54%

Correlation

The correlation between FCDAX and FSSNX is 0.94, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.94
Correlation (3Y) Calculated over the trailing 3-year period	0.96
Correlation (5Y) Calculated over the trailing 5-year period	0.97
Correlation (10Y) Calculated over the trailing 10-year period	0.97
Correlation (All Time) Calculated using the full available price history since Sep 12, 2011	0.98

The correlation between FCDAX and FSSNX has been stable across timeframes, ranging from 0.94 to 0.98 - a consistent structural relationship.

Return for Risk

FCDAX vs. FSSNX — Risk / Return Rank

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

FCDAX

FCDAX Risk / Return Rank: 68
FCDAX Sharpe Ratio Rank: 61
FCDAX Sortino Ratio Rank: 60
FCDAX Omega Ratio Rank: 51
FCDAX Calmar Ratio Rank: 85
FCDAX Martin Ratio Rank: 84

FSSNX

FSSNX Risk / Return Rank: 64
FSSNX Sharpe Ratio Rank: 61
FSSNX Sortino Ratio Rank: 55
FSSNX Omega Ratio Rank: 47
FSSNX Calmar Ratio Rank: 85
FSSNX Martin Ratio Rank: 74

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.

FCDAX vs. FSSNX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Stock Selector Small Cap Fund Class A (FCDAX) and Fidelity Small Cap Index Fund (FSSNX). 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.

	FCDAX	FSSNX	Difference
Sharpe ratio: Return per unit of total volatility	2.30	2.29	+0.01
Sortino ratio: Return per unit of downside risk	3.25	3.14	+0.11
Omega ratio: Gain probability vs. loss probability	1.39	1.37	+0.02
Calmar ratio: Return relative to maximum drawdown	4.08	3.98	+0.10
Martin ratio: Return relative to average drawdown	15.85	14.13	+1.72
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FCDAX vs. FSSNX - Sharpe Ratio Comparison

The current FCDAX Sharpe Ratio is 2.30, which is comparable to the FSSNX Sharpe Ratio of 2.29. The chart below compares the historical Sharpe Ratios of FCDAX and FSSNX, 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

	FCDAX	FSSNX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.30	2.29	+0.01
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.45	0.30	+0.15
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.58	0.48	+0.10
Sharpe Ratio (All Time) Calculated using the full available price history	0.34	0.54	-0.20

Drawdowns

FCDAX vs. FSSNX - Drawdown Comparison

The maximum FCDAX drawdown since its inception was -65.62%, which is greater than FSSNX's maximum drawdown of -41.72%. Use the drawdown chart below to compare losses from any high point for FCDAX and FSSNX.

Drawdown Indicators

	FCDAX	FSSNX	Difference
Max Drawdown Largest peak-to-trough decline	-65.62%	-41.72%	-23.90%
Max Drawdown (1Y) Largest decline over 1 year	-10.05%	-11.00%	+0.95%
Max Drawdown (3Y) Largest decline over 3 years	-27.50%	-27.45%	-0.05%
Max Drawdown (5Y) Largest decline over 5 years	-30.67%	-31.87%	+1.20%
Max Drawdown (10Y) Largest decline over 10 years	-38.46%	-41.72%	+3.26%
Current Drawdown Current decline from peak	-1.77%	-0.14%	-1.63%
Average Drawdown Average peak-to-trough decline	-12.14%	-8.29%	-3.85%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.58%	3.09%	-0.51%

Volatility

FCDAX vs. FSSNX - Volatility Comparison

The current volatility for Fidelity Advisor Stock Selector Small Cap Fund Class A (FCDAX) is 5.23%, while Fidelity Small Cap Index Fund (FSSNX) has a volatility of 5.59%. This indicates that FCDAX experiences smaller price fluctuations and is considered to be less risky than FSSNX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FCDAX	FSSNX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.23%	5.59%	-0.36%
Volatility (6M) Calculated over the trailing 6-month period	13.35%	13.59%	-0.24%
Volatility (1Y) Calculated over the trailing 1-year period	17.83%	19.13%	-1.30%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.59%	22.58%	-0.99%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.86%	23.45%	-1.59%

FCDAX vs. FSSNX - Expense Ratio Comparison

FCDAX has a 1.19% expense ratio, which is higher than FSSNX's 0.03% expense ratio.

Dividends

FCDAX vs. FSSNX - Dividend Comparison

FCDAX's dividend yield for the trailing twelve months is around 0.38%, less than FSSNX's 0.91% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FCDAX Fidelity Advisor Stock Selector Small Cap Fund Class A	0.38%	0.44%	2.61%	0.02%	0.08%	10.93%	1.44%	1.96%	22.71%	10.34%	1.43%	6.93%
FSSNX Fidelity Small Cap Index Fund	0.91%	1.08%	1.04%	1.43%	1.26%	3.92%	0.94%	2.96%	4.94%	3.37%	2.27%	2.66%

Frequently Asked Questions

Can I hold both FCDAX and FSSNX in my portfolio?

With a correlation of 0.94, FCDAX and FSSNX 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, FCDAX or FSSNX?

FSSNX has higher volatility (5.59%) compared to FCDAX (5.23%). In terms of maximum drawdown, FCDAX dropped -65.62% vs FSSNX's -41.72%.

Which has better risk-adjusted returns?

FCDAX currently has the higher Sharpe Ratio (2.30 vs 2.29), 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.