FGTAX vs. FDTTX

Last updated Jun 24, 2026

FGTAX (Fidelity Advisor Mega Cap Stock Fund Class A) and FDTTX (Fidelity Advisor Capital Development Fund Class A) are both mutual funds - FGTAX is a Large Cap Blend Equities fund managed by Fidelity, while FDTTX is a Large Cap Value Equities fund managed by Fidelity. Over the past 10 years, FGTAX returned 16.60%/yr vs 16.04%/yr for FDTTX. With a 0.96 correlation, they move nearly in lockstep. FGTAX charges 0.90%/yr vs 0.85%/yr for FDTTX.

Performance

FGTAX vs. FDTTX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Advisor Mega Cap Stock Fund Class A (FGTAX) and Fidelity Advisor Capital Development Fund Class A (FDTTX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with FGTAX having a 9.10% return and FDTTX slightly lower at 9.09%. Both investments have delivered pretty close results over the past 10 years, with FGTAX having a 16.60% annualized return and FDTTX not far behind at 16.04%.

FGTAX

• 1D: -0.77%
• 1M: -0.15%
• YTD: 9.10%
• 6M: 8.57%
• 1Y: 27.66%
• 3Y*: 24.75%
• 5Y*: 16.07%
• 10Y*: 16.60%

FDTTX

• 1D: -0.74%
• 1M: 0.50%
• YTD: 9.09%
• 6M: 8.43%
• 1Y: 28.25%
• 3Y*: 25.34%
• 5Y*: 16.12%
• 10Y*: 16.04%

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

FGTAX vs. FDTTX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FGTAX Fidelity Advisor Mega Cap Stock Fund Class A	9.10%	26.58%	25.62%	26.18%	-9.26%	25.98%	12.59%	30.74%	-7.68%	17.54%
FDTTX Fidelity Advisor Capital Development Fund Class A	9.09%	27.28%	26.68%	23.86%	-8.28%	24.97%	8.84%	30.98%	-9.36%	16.36%

Correlation

The correlation between FGTAX and FDTTX is 0.99 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.99
Correlation (3Y) Calculated over the trailing 3-year period	0.98
Correlation (5Y) Calculated over the trailing 5-year period	0.99
Correlation (10Y) Calculated over the trailing 10-year period	0.99
Correlation (All Time) Calculated using the full available price history since Feb 7, 2008	0.96

The correlation between FGTAX and FDTTX has been stable across timeframes, ranging from 0.96 to 0.99 - a consistent structural relationship.

Return for Risk

FGTAX vs. FDTTX — Risk / Return Rank

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

FGTAX

FGTAX Risk / Return Rank: 73
FGTAX Sharpe Ratio Rank: 74
FGTAX Sortino Ratio Rank: 70
FGTAX Omega Ratio Rank: 66
FGTAX Calmar Ratio Rank: 74
FGTAX Martin Ratio Rank: 82

FDTTX

FDTTX Risk / Return Rank: 71
FDTTX Sharpe Ratio Rank: 73
FDTTX Sortino Ratio Rank: 69
FDTTX Omega Ratio Rank: 65
FDTTX Calmar Ratio Rank: 69
FDTTX Martin Ratio Rank: 79

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.

FGTAX vs. FDTTX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Mega Cap Stock Fund Class A (FGTAX) and Fidelity Advisor Capital Development Fund Class A (FDTTX). 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.

	FGTAX	FDTTX	Difference
Sharpe ratio: Return per unit of total volatility	2.30	2.29	+0.01
Sortino ratio: Return per unit of downside risk	3.15	3.15	0.00
Omega ratio: Gain probability vs. loss probability	1.41	1.41	0.00
Calmar ratio: Return relative to maximum drawdown	3.18	3.06	+0.12
Martin ratio: Return relative to average drawdown	14.10	13.78	+0.32

FGTAX vs. FDTTX - Sharpe Ratio Comparison

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

FGTAX vs. FDTTX - Drawdown Comparison

The maximum FGTAX drawdown since its inception was -53.07%, smaller than the maximum FDTTX drawdown of -58.00%. Use the drawdown chart below to compare losses from any high point for FGTAX and FDTTX.

Drawdown Indicators

	FGTAX	FDTTX	Difference
Max Drawdown Largest peak-to-trough decline	-53.07%	-58.00%	+4.93%
Max Drawdown (1Y) Largest decline over 1 year	-9.04%	-9.65%	+0.61%
Max Drawdown (3Y) Largest decline over 3 years	-18.52%	-20.03%	+1.51%
Max Drawdown (5Y) Largest decline over 5 years	-23.48%	-21.88%	-1.60%
Max Drawdown (10Y) Largest decline over 10 years	-35.21%	-36.62%	+1.41%
Current Drawdown Current decline from peak	-1.44%	-1.05%	-0.39%
Average Drawdown Average peak-to-trough decline	-6.76%	-11.13%	+4.37%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.04%	2.14%	-0.10%

Volatility

FGTAX vs. FDTTX - Volatility Comparison

Fidelity Advisor Mega Cap Stock Fund Class A (FGTAX) and Fidelity Advisor Capital Development Fund Class A (FDTTX) have volatilities of 4.35% and 4.40%, 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

	FGTAX	FDTTX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.35%	4.40%	-0.05%
Volatility (6M) Calculated over the trailing 6-month period	9.68%	10.04%	-0.36%
Volatility (1Y) Calculated over the trailing 1-year period	12.55%	12.93%	-0.38%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.74%	17.68%	-0.94%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.15%	18.87%	-0.72%

FGTAX vs. FDTTX - Expense Ratio Comparison

FGTAX has a 0.90% expense ratio, which is higher than FDTTX's 0.85% expense ratio.

Dividends

FGTAX vs. FDTTX - Dividend Comparison

FGTAX's dividend yield for the trailing twelve months is around 3.41%, less than FDTTX's 9.87% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FDTTX Fidelity Advisor Capital Development Fund Class A	9.87%	10.77%	9.20%	4.34%	5.64%	5.60%	4.40%	7.49%	16.04%	5.52%	2.74%	5.82%
FGTAX Fidelity Advisor Mega Cap Stock Fund Class A	3.41%	3.72%	2.48%	1.86%	4.17%	4.61%	7.84%	12.91%	21.65%	16.21%	1.75%	3.75%

Frequently Asked Questions

Can I hold both FGTAX and FDTTX in my portfolio?

With a correlation of 0.99, FGTAX and FDTTX 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, FGTAX or FDTTX?

FDTTX has higher volatility (4.40%) compared to FGTAX (4.35%). In terms of maximum drawdown, FGTAX dropped -53.07% vs FDTTX's -58.00%.

Which has better risk-adjusted returns?

FGTAX 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.