FSKGX vs. FMDGX

Last updated Apr 1, 2026

Compare and contrast key facts about Fidelity Growth Strategies K6 Fund (FSKGX) and Fidelity Mid Cap Growth Index Fund (FMDGX).

FSKGX is managed by Fidelity. It was launched on May 25, 2017. FMDGX is managed by Fidelity. It was launched on Jul 11, 2019.

Performance

FSKGX vs. FMDGX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Growth Strategies K6 Fund (FSKGX) and Fidelity Mid Cap Growth Index Fund (FMDGX). The values are adjusted to include any dividend payments, if applicable.

FSKGX vs. FMDGX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
FSKGX Fidelity Growth Strategies K6 Fund	-7.04%	7.82%	20.04%	21.58%	-26.20%	21.62%	29.50%	6.25%
FMDGX Fidelity Mid Cap Growth Index Fund	-9.61%	8.60%	22.03%	25.79%	-26.67%	12.67%	34.84%	4.63%

Returns By Period

In the year-to-date period, FSKGX achieves a -7.04% return, which is significantly higher than FMDGX's -9.61% return.

FSKGX

• 1D: -1.97%
• 1M: -11.40%
• YTD: -7.04%
• 6M: -14.07%
• 1Y: 8.66%
• 3Y*: 10.52%
• 5Y*: 5.52%
• 10Y*: —

FMDGX

• 1D: -1.09%
• 1M: -9.53%
• YTD: -9.61%
• 6M: -12.95%
• 1Y: 5.72%
• 3Y*: 11.35%
• 5Y*: 4.59%
• 10Y*: —

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

FSKGX vs. FMDGX - Expense Ratio Comparison

FSKGX has a 0.45% expense ratio, which is higher than FMDGX's 0.05% expense ratio.

FSKGX

Fidelity Growth Strategies K6 Fund

FMDGX

Fidelity Mid Cap Growth Index Fund

Return for Risk

FSKGX vs. FMDGX — Risk / Return Rank

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

FSKGX

FSKGX Risk / Return Rank: 13
FSKGX Sharpe Ratio Rank: 14
FSKGX Sortino Ratio Rank: 15
FSKGX Omega Ratio Rank: 14
FSKGX Calmar Ratio Rank: 11
FSKGX Martin Ratio Rank: 11

FMDGX

FMDGX Risk / Return Rank: 11
FMDGX Sharpe Ratio Rank: 11
FMDGX Sortino Ratio Rank: 12
FMDGX Omega Ratio Rank: 11
FMDGX Calmar Ratio Rank: 10
FMDGX Martin Ratio Rank: 10

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.

FSKGX vs. FMDGX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Growth Strategies K6 Fund (FSKGX) and Fidelity Mid Cap Growth Index Fund (FMDGX). 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.

	FSKGX	FMDGX	Difference
Sharpe ratio Return per unit of total volatility	0.34	0.24	+0.10
Sortino ratio Return per unit of downside risk	0.64	0.51	+0.13
Omega ratio Gain probability vs. loss probability	1.09	1.07	+0.02
Calmar ratio Return relative to maximum drawdown	0.26	0.22	+0.04
Martin ratio Return relative to average drawdown	0.81	0.69	+0.12
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FSKGX vs. FMDGX - Sharpe Ratio Comparison

The current FSKGX Sharpe Ratio is 0.34, which is higher than the FMDGX Sharpe Ratio of 0.24. The chart below compares the historical Sharpe Ratios of FSKGX and FMDGX, 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

	FSKGX	FMDGX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.34	0.24	+0.10
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.24	0.21	+0.04
Sharpe Ratio (All Time) Calculated using the full available price history	0.46	0.36	+0.10

Correlation

The correlation between FSKGX and FMDGX is 0.97, 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

FSKGX vs. FMDGX - Dividend Comparison

FSKGX has not paid dividends to shareholders, while FMDGX's dividend yield for the trailing twelve months is around 2.05%.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
FSKGX Fidelity Growth Strategies K6 Fund	0.00%	0.00%	0.00%	1.37%	0.27%	26.04%	2.53%	0.50%	0.85%	0.30%
FMDGX Fidelity Mid Cap Growth Index Fund	2.05%	1.85%	0.47%	0.63%	0.81%	6.43%	0.36%	0.29%	0.00%	0.00%

Drawdowns

FSKGX vs. FMDGX - Drawdown Comparison

The maximum FSKGX drawdown since its inception was -36.51%, smaller than the maximum FMDGX drawdown of -38.59%. Use the drawdown chart below to compare losses from any high point for FSKGX and FMDGX.

Drawdown Indicators

	FSKGX	FMDGX	Difference
Max Drawdown Largest peak-to-trough decline	-36.51%	-38.59%	+2.08%
Max Drawdown (1Y) Largest decline over 1 year	-16.39%	-14.75%	-1.64%
Max Drawdown (5Y) Largest decline over 5 years	-36.51%	-38.59%	+2.08%
Current Drawdown Current decline from peak	-16.39%	-14.75%	-1.64%
Average Drawdown Average peak-to-trough decline	-9.05%	-11.34%	+2.29%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.28%	4.65%	+0.63%

Volatility

FSKGX vs. FMDGX - Volatility Comparison

Fidelity Growth Strategies K6 Fund (FSKGX) has a higher volatility of 7.62% compared to Fidelity Mid Cap Growth Index Fund (FMDGX) at 5.67%. This indicates that FSKGX's price experiences larger fluctuations and is considered to be riskier than FMDGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FSKGX	FMDGX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.62%	5.67%	+1.95%
Volatility (6M) Calculated over the trailing 6-month period	15.97%	12.66%	+3.31%
Volatility (1Y) Calculated over the trailing 1-year period	25.16%	22.94%	+2.22%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.82%	22.37%	+0.45%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.78%	24.47%	-1.69%