FDTTX vs. FGTAX

Last updated Jun 24, 2026

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

Performance

FDTTX vs. FGTAX - Performance Comparison

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

Returns By Period

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

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%

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

FDTTX vs. FGTAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
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%
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%

Correlation

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

Return for Risk

FDTTX vs. FGTAX — Risk / Return Rank

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

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

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

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.

FDTTX vs. FGTAX - Risk-Adjusted Trends Comparison

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

	FDTTX	FGTAX	Difference
Sharpe ratio: Return per unit of total volatility	2.29	2.30	-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	3.06	3.18	-0.12
Martin ratio: Return relative to average drawdown	13.78	14.10	-0.32

FDTTX vs. FGTAX - Sharpe Ratio Comparison

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

FDTTX vs. FGTAX - Drawdown Comparison

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

Drawdown Indicators

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

Volatility

FDTTX vs. FGTAX - Volatility Comparison

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

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

FDTTX vs. FGTAX - Expense Ratio Comparison

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

Dividends

FDTTX vs. FGTAX - Dividend Comparison

FDTTX's dividend yield for the trailing twelve months is around 9.87%, more than FGTAX's 3.41% 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 FDTTX and FGTAX in my portfolio?

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

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

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.