FSCDX vs. FSSNX

Last updated Jun 25, 2026

FSCDX (Fidelity Advisor 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, FSCDX returned 10.54%/yr vs 11.74%/yr for FSSNX. With a 0.96 correlation, they move nearly in lockstep. FSCDX charges 1.22%/yr vs 0.03%/yr for FSSNX.

Performance

FSCDX vs. FSSNX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Advisor Small Cap Fund Class A (FSCDX) 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, FSCDX achieves a 22.50% return, which is significantly higher than FSSNX's 20.59% return. Over the past 10 years, FSCDX has underperformed FSSNX with an annualized return of 10.54%, while FSSNX has yielded a comparatively higher 11.74% annualized return.

FSCDX

• 1D: -1.15%
• 1M: 4.59%
• YTD: 22.50%
• 6M: 19.36%
• 1Y: 36.72%
• 3Y*: 14.66%
• 5Y*: 6.43%
• 10Y*: 10.54%

FSSNX

• 1D: -0.96%
• 1M: 3.84%
• YTD: 20.59%
• 6M: 17.52%
• 1Y: 39.58%
• 3Y*: 19.54%
• 5Y*: 6.54%
• 10Y*: 11.74%

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

FSCDX vs. FSSNX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FSCDX Fidelity Advisor Small Cap Fund Class A	22.50%	11.85%	-2.52%	18.29%	-20.70%	31.22%	17.13%	32.31%	-16.38%	13.77%
FSSNX Fidelity Small Cap Index Fund	20.59%	12.94%	11.71%	17.11%	-20.28%	14.70%	19.99%	25.70%	-11.24%	14.54%

Correlation

The correlation between FSCDX and FSSNX is 0.93, 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	0.93
Correlation (3Y) Calculated over the trailing 3-year period	0.95
Correlation (5Y) Calculated over the trailing 5-year period	0.97
Correlation (10Y) Calculated over the trailing 10-year period	0.96
Correlation (All Time) Calculated using the full available price history since Sep 9, 2011	0.96

The correlation between FSCDX and FSSNX has been stable across timeframes, ranging from 0.93 to 0.97 - a consistent structural relationship.

Return for Risk

FSCDX vs. FSSNX — Risk / Return Rank

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

FSCDX

FSCDX Risk / Return Rank: 73
FSCDX Sharpe Ratio Rank: 66
FSCDX Sortino Ratio Rank: 67
FSCDX Omega Ratio Rank: 55
FSCDX Calmar Ratio Rank: 89
FSCDX Martin Ratio Rank: 88

FSSNX

FSSNX Risk / Return Rank: 65
FSSNX Sharpe Ratio Rank: 61
FSSNX Sortino Ratio Rank: 57
FSSNX Omega Ratio Rank: 47
FSSNX Calmar Ratio Rank: 84
FSSNX 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.

FSCDX vs. FSSNX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Small Cap Fund Class A (FSCDX) 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.

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.

	FSCDX	FSSNX	Difference
Sharpe ratio: Return per unit of total volatility	2.12	2.11	+0.01
Sortino ratio: Return per unit of downside risk	3.02	2.90	+0.12
Omega ratio: Gain probability vs. loss probability	1.36	1.35	+0.01
Calmar ratio: Return relative to maximum drawdown	4.15	3.79	+0.36
Martin ratio: Return relative to average drawdown	15.50	13.40	+2.10

FSCDX vs. FSSNX - Sharpe Ratio Comparison

The current FSCDX Sharpe Ratio is 2.12, which is comparable to the FSSNX Sharpe Ratio of 2.11. The chart below compares the historical Sharpe Ratios of FSCDX 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.

Drawdowns

FSCDX vs. FSSNX - Drawdown Comparison

The maximum FSCDX drawdown since its inception was -50.10%, which is greater than FSSNX's maximum drawdown of -41.72%. Use the drawdown chart below to compare losses from any high point for FSCDX and FSSNX.

Drawdown Indicators

	FSCDX	FSSNX	Difference
Max Drawdown Largest peak-to-trough decline	-50.10%	-41.72%	-8.38%
Max Drawdown (1Y) Largest decline over 1 year	-9.33%	-11.00%	+1.67%
Max Drawdown (3Y) Largest decline over 3 years	-35.42%	-27.45%	-7.97%
Max Drawdown (5Y) Largest decline over 5 years	-35.42%	-31.87%	-3.55%
Max Drawdown (10Y) Largest decline over 10 years	-40.44%	-41.72%	+1.28%
Current Drawdown Current decline from peak	-1.15%	-0.96%	-0.19%
Average Drawdown Average peak-to-trough decline	-11.60%	-8.26%	-3.34%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.49%	3.10%	-0.61%

Volatility

FSCDX vs. FSSNX - Volatility Comparison

Fidelity Advisor Small Cap Fund Class A (FSCDX) and Fidelity Small Cap Index Fund (FSSNX) have volatilities of 6.37% and 6.52%, 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

	FSCDX	FSSNX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.37%	6.52%	-0.15%
Volatility (6M) Calculated over the trailing 6-month period	13.79%	14.37%	-0.58%
Volatility (1Y) Calculated over the trailing 1-year period	18.30%	19.74%	-1.44%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.25%	22.67%	-0.42%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.00%	23.47%	-1.47%

FSCDX vs. FSSNX - Expense Ratio Comparison

FSCDX has a 1.22% expense ratio, which is higher than FSSNX's 0.03% expense ratio.

Dividends

FSCDX vs. FSSNX - Dividend Comparison

FSCDX's dividend yield for the trailing twelve months is around 1.56%, more than FSSNX's 0.90% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FSCDX Fidelity Advisor Small Cap Fund Class A	1.56%	1.92%	0.00%	1.36%	5.36%	10.98%	2.70%	3.97%	14.60%	14.03%	2.35%	8.39%
FSSNX Fidelity Small Cap Index Fund	0.90%	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 FSCDX and FSSNX in my portfolio?

With a correlation of 0.93, FSCDX 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, FSCDX or FSSNX?

FSSNX has higher volatility (6.52%) compared to FSCDX (6.37%). In terms of maximum drawdown, FSCDX dropped -50.10% vs FSSNX's -41.72%.

Which has better risk-adjusted returns?

FSCDX currently has the higher Sharpe Ratio (2.12 vs 2.11), 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.