FSELX vs. FXAIX

Last updated Jun 25, 2026

FSELX (Fidelity Select Semiconductors Portfolio) and FXAIX (Fidelity 500 Index Fund) are both mutual funds - FSELX is a Semiconductors fund managed by Fidelity, while FXAIX is a S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, FSELX returned 39.03%/yr vs 15.63%/yr for FXAIX. A 0.77 correlation means they provide meaningful diversification when combined. FSELX charges 0.68%/yr vs 0.02%/yr for FXAIX.

Performance

FSELX vs. FXAIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Select Semiconductors Portfolio (FSELX) and Fidelity 500 Index Fund (FXAIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FSELX achieves a 75.83% return, which is significantly higher than FXAIX's 8.21% return. Over the past 10 years, FSELX has outperformed FXAIX with an annualized return of 39.03%, while FXAIX has yielded a comparatively lower 15.63% annualized return.

FSELX

• 1D: -7.03%
• 1M: 5.81%
• YTD: 75.83%
• 6M: 72.55%
• 1Y: 132.39%
• 3Y*: 65.08%
• 5Y*: 43.80%
• 10Y*: 39.03%

FXAIX

• 1D: -1.43%
• 1M: -1.34%
• YTD: 8.21%
• 6M: 6.88%
• 1Y: 22.35%
• 3Y*: 20.81%
• 5Y*: 13.14%
• 10Y*: 15.63%

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

FSELX vs. FXAIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FSELX Fidelity Select Semiconductors Portfolio	75.83%	52.17%	49.68%	78.49%	-35.27%	59.16%	44.33%	64.50%	-12.01%	34.51%
FXAIX Fidelity 500 Index Fund	8.21%	17.84%	25.01%	26.29%	-18.14%	28.71%	18.42%	31.48%	-4.43%	21.82%

Correlation

The correlation between FSELX and FXAIX is 0.74, 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	0.74
Correlation (3Y) Calculated over the trailing 3-year period	0.77
Correlation (5Y) Calculated over the trailing 5-year period	0.79
Correlation (10Y) Calculated over the trailing 10-year period	0.77
Correlation (All Time) Calculated using the full available price history since May 4, 2011	0.77

The correlation between FSELX and FXAIX has been stable across timeframes, ranging from 0.74 to 0.79 - a consistent structural relationship.

Return for Risk

FSELX vs. FXAIX — Risk / Return Rank

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

FSELX

FSELX Risk / Return Rank: 94
FSELX Sharpe Ratio Rank: 99
FSELX Sortino Ratio Rank: 88
FSELX Omega Ratio Rank: 86
FSELX Calmar Ratio Rank: 99
FSELX Martin Ratio Rank: 98

FXAIX

FXAIX Risk / Return Rank: 52
FXAIX Sharpe Ratio Rank: 49
FXAIX Sortino Ratio Rank: 44
FXAIX Omega Ratio Rank: 47
FXAIX Calmar Ratio Rank: 53
FXAIX Martin Ratio Rank: 66

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.

FSELX vs. FXAIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Select Semiconductors Portfolio (FSELX) and Fidelity 500 Index Fund (FXAIX). 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.

	FSELX	FXAIX	Difference
Sharpe ratio: Return per unit of total volatility	3.85	1.90	+1.95
Sortino ratio: Return per unit of downside risk	3.92	2.59	+1.33
Omega ratio: Gain probability vs. loss probability	1.55	1.34	+0.20
Calmar ratio: Return relative to maximum drawdown	9.82	2.68	+7.15
Martin ratio: Return relative to average drawdown	35.04	12.03	+23.02

FSELX vs. FXAIX - Sharpe Ratio Comparison

The current FSELX Sharpe Ratio is 3.85, which is higher than the FXAIX Sharpe Ratio of 1.90. The chart below compares the historical Sharpe Ratios of FSELX and FXAIX, 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

FSELX vs. FXAIX - Drawdown Comparison

The maximum FSELX drawdown since its inception was -82.54%, which is greater than FXAIX's maximum drawdown of -33.79%. Use the drawdown chart below to compare losses from any high point for FSELX and FXAIX.

Drawdown Indicators

	FSELX	FXAIX	Difference
Max Drawdown Largest peak-to-trough decline	-82.54%	-33.79%	-48.75%
Max Drawdown (1Y) Largest decline over 1 year	-14.38%	-8.89%	-5.49%
Max Drawdown (3Y) Largest decline over 3 years	-36.31%	-18.76%	-17.55%
Max Drawdown (5Y) Largest decline over 5 years	-46.37%	-24.50%	-21.87%
Max Drawdown (10Y) Largest decline over 10 years	-46.37%	-33.79%	-12.58%
Current Drawdown Current decline from peak	-7.03%	-3.13%	-3.90%
Average Drawdown Average peak-to-trough decline	-28.67%	-3.79%	-24.88%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.02%	1.98%	+2.04%

Volatility

FSELX vs. FXAIX - Volatility Comparison

Fidelity Select Semiconductors Portfolio (FSELX) has a higher volatility of 19.62% compared to Fidelity 500 Index Fund (FXAIX) at 4.90%. This indicates that FSELX's price experiences larger fluctuations and is considered to be riskier than FXAIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FSELX	FXAIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	19.62%	4.90%	+14.72%
Volatility (6M) Calculated over the trailing 6-month period	29.87%	9.93%	+19.94%
Volatility (1Y) Calculated over the trailing 1-year period	36.66%	12.57%	+24.09%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	39.70%	17.02%	+22.68%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	35.44%	18.09%	+17.35%

FSELX vs. FXAIX - Expense Ratio Comparison

FSELX has a 0.68% expense ratio, which is higher than FXAIX's 0.02% expense ratio.

Dividends

FSELX vs. FXAIX - Dividend Comparison

FSELX's dividend yield for the trailing twelve months is around 9.32%, more than FXAIX's 1.06% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FSELX Fidelity Select Semiconductors Portfolio	9.32%	11.11%	7.97%	7.20%	6.69%	6.99%	8.13%	3.36%	26.80%	14.44%	3.82%	15.22%
FXAIX Fidelity 500 Index Fund	1.06%	1.11%	1.25%	1.45%	1.69%	1.22%	1.60%	2.06%	2.72%	1.97%	2.52%	2.83%

Frequently Asked Questions

Can I hold both FSELX and FXAIX in my portfolio?

FSELX and FXAIX have a correlation of 0.74, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FSELX or FXAIX?

FSELX has higher volatility (19.62%) compared to FXAIX (4.90%). In terms of maximum drawdown, FSELX dropped -82.54% vs FXAIX's -33.79%.

Which has better risk-adjusted returns?

FSELX currently has the higher Sharpe Ratio (3.85 vs 1.90), 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.