FBLEX vs. FDETX

Last updated Jun 4, 2026

FBLEX (Fidelity Series Stock Selector Large Cap Value Fund) and FDETX (Fidelity Advisor Capital Development Fund Class O) are both Large Cap Value Equities funds from Fidelity. Over the past 10 years, FBLEX returned 11.89%/yr vs 15.85%/yr for FDETX. Their correlation of 0.92 suggests significant overlap in exposure. FBLEX charges 0.01%/yr vs 0.56%/yr for FDETX.

Performance

FBLEX vs. FDETX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Series Stock Selector Large Cap Value Fund (FBLEX) and Fidelity Advisor Capital Development Fund Class O (FDETX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FBLEX achieves a 8.36% return, which is significantly lower than FDETX's 9.88% return. Over the past 10 years, FBLEX has underperformed FDETX with an annualized return of 11.89%, while FDETX has yielded a comparatively higher 15.85% annualized return.

FBLEX

• 1D: 0.33%
• 1M: 2.07%
• YTD: 8.36%
• 6M: 9.82%
• 1Y: 22.33%
• 3Y*: 19.15%
• 5Y*: 11.55%
• 10Y*: 11.89%

FDETX

• 1D: -0.26%
• 1M: 3.27%
• YTD: 9.88%
• 6M: 11.88%
• 1Y: 31.27%
• 3Y*: 25.92%
• 5Y*: 16.23%
• 10Y*: 15.85%

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

FBLEX vs. FDETX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FBLEX Fidelity Series Stock Selector Large Cap Value Fund	8.36%	17.06%	18.04%	15.60%	-4.82%	26.83%	4.34%	25.57%	-9.04%	12.38%
FDETX Fidelity Advisor Capital Development Fund Class O	9.88%	27.60%	27.07%	24.20%	-8.00%	25.32%	9.12%	31.39%	-9.09%	16.45%

Correlation

The correlation between FBLEX and FDETX is 0.76, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.76
Correlation (3Y) Calculated over the trailing 3-year period	0.78
Correlation (5Y) Calculated over the trailing 5-year period	0.88
Correlation (10Y) Calculated over the trailing 10-year period	0.91
Correlation (All Time) Calculated using the full available price history since Dec 11, 2012	0.92

The correlation between FBLEX and FDETX shifts across timeframes, from 0.76 (1 year) to 0.92 (all time), reflecting how their relationship changes across market environments.

Return for Risk

FBLEX vs. FDETX — Risk / Return Rank

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

FBLEX

FBLEX Risk / Return Rank: 62
FBLEX Sharpe Ratio Rank: 56
FBLEX Sortino Ratio Rank: 56
FBLEX Omega Ratio Rank: 52
FBLEX Calmar Ratio Rank: 73
FBLEX Martin Ratio Rank: 71

FDETX

FDETX Risk / Return Rank: 76
FDETX Sharpe Ratio Rank: 80
FDETX Sortino Ratio Rank: 74
FDETX Omega Ratio Rank: 71
FDETX Calmar Ratio Rank: 73
FDETX Martin Ratio Rank: 81

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.

FBLEX vs. FDETX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Series Stock Selector Large Cap Value Fund (FBLEX) and Fidelity Advisor Capital Development Fund Class O (FDETX). 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.

	FBLEX	FDETX	Difference
Sharpe ratio: Return per unit of total volatility	2.20	2.61	-0.41
Sortino ratio: Return per unit of downside risk	3.16	3.59	-0.43
Omega ratio: Gain probability vs. loss probability	1.40	1.47	-0.08
Calmar ratio: Return relative to maximum drawdown	3.35	3.33	+0.02
Martin ratio: Return relative to average drawdown	13.56	15.21	-1.66
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FBLEX vs. FDETX - Sharpe Ratio Comparison

The current FBLEX Sharpe Ratio is 2.20, which is comparable to the FDETX Sharpe Ratio of 2.61. The chart below compares the historical Sharpe Ratios of FBLEX and FDETX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	FBLEX	FDETX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.20	2.61	-0.41
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.78	0.93	-0.14
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.69	0.84	-0.16
Sharpe Ratio (All Time) Calculated using the full available price history	0.73	0.64	+0.09

Drawdowns

FBLEX vs. FDETX - Drawdown Comparison

The maximum FBLEX drawdown since its inception was -39.73%, smaller than the maximum FDETX drawdown of -66.86%. Use the drawdown chart below to compare losses from any high point for FBLEX and FDETX.

Drawdown Indicators

	FBLEX	FDETX	Difference
Max Drawdown Largest peak-to-trough decline	-39.73%	-66.86%	+27.13%
Max Drawdown (1Y) Largest decline over 1 year	-6.89%	-9.64%	+2.75%
Max Drawdown (3Y) Largest decline over 3 years	-14.71%	-19.76%	+5.05%
Max Drawdown (5Y) Largest decline over 5 years	-19.00%	-21.72%	+2.72%
Max Drawdown (10Y) Largest decline over 10 years	-39.73%	-36.61%	-3.12%
Current Drawdown Current decline from peak	-0.20%	-0.26%	+0.06%
Average Drawdown Average peak-to-trough decline	-3.83%	-11.22%	+7.39%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.70%	2.11%	-0.41%

Volatility

FBLEX vs. FDETX - Volatility Comparison

The current volatility for Fidelity Series Stock Selector Large Cap Value Fund (FBLEX) is 2.69%, while Fidelity Advisor Capital Development Fund Class O (FDETX) has a volatility of 2.91%. This indicates that FBLEX experiences smaller price fluctuations and is considered to be less risky than FDETX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FBLEX	FDETX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.69%	2.91%	-0.22%
Volatility (6M) Calculated over the trailing 6-month period	7.89%	9.42%	-1.53%
Volatility (1Y) Calculated over the trailing 1-year period	10.50%	12.35%	-1.85%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.79%	17.60%	-2.81%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.40%	18.84%	-1.44%

FBLEX vs. FDETX - Expense Ratio Comparison

FBLEX has a 0.01% expense ratio, which is lower than FDETX's 0.56% expense ratio.

Dividends

FBLEX vs. FDETX - Dividend Comparison

FBLEX's dividend yield for the trailing twelve months is around 10.25%, more than FDETX's 9.41% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FBLEX Fidelity Series Stock Selector Large Cap Value Fund	10.25%	9.95%	12.63%	5.05%	12.66%	14.51%	3.85%	5.65%	10.97%	7.09%	2.47%	13.81%
FDETX Fidelity Advisor Capital Development Fund Class O	9.41%	10.34%	8.95%	4.39%	5.66%	5.63%	4.47%	7.46%	15.81%	5.34%	2.92%	5.97%

Frequently Asked Questions

Can I hold both FBLEX and FDETX in my portfolio?

FBLEX and FDETX have a correlation of 0.76, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FBLEX or FDETX?

FDETX has higher volatility (2.91%) compared to FBLEX (2.69%). In terms of maximum drawdown, FBLEX dropped -39.73% vs FDETX's -66.86%.

Which has better risk-adjusted returns?

FDETX currently has the higher Sharpe Ratio (2.61 vs 2.20), 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.