FOCSX vs. FSMAX

Last updated Apr 1, 2026

Compare and contrast key facts about Fidelity Small Cap Growth K6 Fund (FOCSX) and Fidelity Extended Market Index Fund (FSMAX).

FOCSX is managed by Fidelity. It was launched on May 25, 2017. FSMAX is managed by Fidelity.

Performance

FOCSX vs. FSMAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Small Cap Growth K6 Fund (FOCSX) and Fidelity Extended Market Index Fund (FSMAX). The values are adjusted to include any dividend payments, if applicable.

FOCSX vs. FSMAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FOCSX Fidelity Small Cap Growth K6 Fund	-5.28%	11.33%	21.04%	19.62%	-25.01%	10.50%	37.44%	36.25%	-4.60%	16.21%
FSMAX Fidelity Extended Market Index Fund	-4.54%	11.40%	16.99%	25.36%	-26.44%	12.41%	32.28%	28.01%	-9.44%	12.11%

Returns By Period

In the year-to-date period, FOCSX achieves a -5.28% return, which is significantly lower than FSMAX's -4.54% return.

FOCSX

• 1D: -2.50%
• 1M: -9.99%
• YTD: -5.28%
• 6M: -2.43%
• 1Y: 18.34%
• 3Y*: 12.51%
• 5Y*: 3.81%
• 10Y*: —

FSMAX

• 1D: -1.03%
• 1M: -7.76%
• YTD: -4.54%
• 6M: -4.39%
• 1Y: 16.77%
• 3Y*: 13.78%
• 5Y*: 3.66%
• 10Y*: 10.54%

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

FOCSX vs. FSMAX - Expense Ratio Comparison

FOCSX has a 0.60% expense ratio, which is higher than FSMAX's 0.04% expense ratio.

FOCSX

Fidelity Small Cap Growth K6 Fund

FSMAX

Fidelity Extended Market Index Fund

Return for Risk

FOCSX vs. FSMAX — Risk / Return Rank

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

FOCSX

FOCSX Risk / Return Rank: 35
FOCSX Sharpe Ratio Rank: 33
FOCSX Sortino Ratio Rank: 36
FOCSX Omega Ratio Rank: 30
FOCSX Calmar Ratio Rank: 37
FOCSX Martin Ratio Rank: 36

FSMAX

FSMAX Risk / Return Rank: 35
FSMAX Sharpe Ratio Rank: 33
FSMAX Sortino Ratio Rank: 36
FSMAX Omega Ratio Rank: 33
FSMAX Calmar Ratio Rank: 36
FSMAX Martin Ratio Rank: 38

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.

FOCSX vs. FSMAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Small Cap Growth K6 Fund (FOCSX) and Fidelity Extended Market Index Fund (FSMAX). 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.

	FOCSX	FSMAX	Difference
Sharpe ratio Return per unit of total volatility	0.73	0.72	+0.01
Sortino ratio Return per unit of downside risk	1.16	1.16	0.00
Omega ratio Gain probability vs. loss probability	1.15	1.16	-0.01
Calmar ratio Return relative to maximum drawdown	0.99	0.95	+0.04
Martin ratio Return relative to average drawdown	3.83	3.91	-0.07
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FOCSX vs. FSMAX - Sharpe Ratio Comparison

The current FOCSX Sharpe Ratio is 0.73, which is comparable to the FSMAX Sharpe Ratio of 0.72. The chart below compares the historical Sharpe Ratios of FOCSX and FSMAX, 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

	FOCSX	FSMAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.73	0.72	+0.01
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.16	0.16	0.00
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.35	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.49	0.41	+0.08

Correlation

The correlation between FOCSX and FSMAX is 0.95, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

FOCSX vs. FSMAX - Dividend Comparison

FOCSX's dividend yield for the trailing twelve months is around 2.90%, more than FSMAX's 0.60% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FOCSX Fidelity Small Cap Growth K6 Fund	2.90%	2.74%	2.26%	0.23%	0.05%	31.03%	2.78%	0.00%	2.47%	0.09%	0.00%	0.00%
FSMAX Fidelity Extended Market Index Fund	0.60%	0.57%	0.48%	1.17%	1.90%	7.49%	2.14%	4.30%	6.09%	5.44%	4.85%	6.34%

Drawdowns

FOCSX vs. FSMAX - Drawdown Comparison

The maximum FOCSX drawdown since its inception was -38.79%, smaller than the maximum FSMAX drawdown of -50.55%. Use the drawdown chart below to compare losses from any high point for FOCSX and FSMAX.

Drawdown Indicators

	FOCSX	FSMAX	Difference
Max Drawdown Largest peak-to-trough decline	-38.79%	-50.55%	+11.76%
Max Drawdown (1Y) Largest decline over 1 year	-13.80%	-14.64%	+0.84%
Max Drawdown (5Y) Largest decline over 5 years	-38.79%	-36.31%	-2.48%
Max Drawdown (10Y) Largest decline over 10 years	—	-50.55%	—
Current Drawdown Current decline from peak	-12.98%	-10.26%	-2.72%
Average Drawdown Average peak-to-trough decline	-11.13%	-12.29%	+1.16%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.75%	3.54%	+0.21%

Volatility

FOCSX vs. FSMAX - Volatility Comparison

Fidelity Small Cap Growth K6 Fund (FOCSX) has a higher volatility of 8.43% compared to Fidelity Extended Market Index Fund (FSMAX) at 6.01%. This indicates that FOCSX's price experiences larger fluctuations and is considered to be riskier than FSMAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FOCSX	FSMAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.43%	6.01%	+2.42%
Volatility (6M) Calculated over the trailing 6-month period	16.21%	13.07%	+3.14%
Volatility (1Y) Calculated over the trailing 1-year period	24.71%	22.79%	+1.92%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.33%	22.32%	+1.01%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.56%	30.19%	-6.63%