SOXQ vs. FXAIX

Last updated Jun 13, 2026

SOXQ (Invesco PHLX Semiconductor ETF) and FXAIX (Fidelity 500 Index Fund) are both funds - SOXQ is a Semiconductors fund tracking the PHLX Semiconductor Sector Index, while FXAIX is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 5 years, SOXQ returned 34.23%/yr vs 13.34%/yr for FXAIX. A 0.79 correlation means they provide meaningful diversification when combined. SOXQ charges 0.19%/yr vs 0.02%/yr for FXAIX.

Performance

SOXQ vs. FXAIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco PHLX Semiconductor ETF (SOXQ) 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, SOXQ achieves a 89.01% return, which is significantly higher than FXAIX's 8.59% return.

SOXQ

• 1D: 1.53%
• 1M: 11.31%
• YTD: 89.01%
• 6M: 90.35%
• 1Y: 155.88%
• 3Y*: 54.65%
• 5Y*: 34.23%
• 10Y*: —

FXAIX

• 1D: 1.76%
• 1M: -0.55%
• YTD: 8.59%
• 6M: 8.94%
• 1Y: 23.79%
• 3Y*: 21.06%
• 5Y*: 13.34%
• 10Y*: 15.44%

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

SOXQ vs. FXAIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
SOXQ Invesco PHLX Semiconductor ETF	89.01%	43.11%	20.16%	66.74%	-35.59%	25.19%
FXAIX Fidelity 500 Index Fund	8.59%	17.84%	25.01%	26.29%	-18.14%	13.29%

Correlation

The correlation between SOXQ and FXAIX is 0.73, 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	0.73
Correlation (3Y) Calculated over the trailing 3-year period	0.77
Correlation (5Y) Calculated over the trailing 5-year period	0.79
Correlation (All Time) Calculated using the full available price history since Jun 11, 2021	0.79

The correlation between SOXQ and FXAIX has been stable across timeframes, ranging from 0.73 to 0.79 - a consistent structural relationship.

Return for Risk

SOXQ vs. FXAIX — Risk / Return Rank

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

SOXQ

SOXQ Risk / Return Rank: 96
SOXQ Sharpe Ratio Rank: 97
SOXQ Sortino Ratio Rank: 94
SOXQ Omega Ratio Rank: 94
SOXQ Calmar Ratio Rank: 97
SOXQ Martin Ratio Rank: 97

FXAIX

FXAIX Risk / Return Rank: 73
FXAIX Sharpe Ratio Rank: 72
FXAIX Sortino Ratio Rank: 68
FXAIX Omega Ratio Rank: 69
FXAIX Calmar Ratio Rank: 73
FXAIX Martin Ratio Rank: 84

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.

SOXQ vs. FXAIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco PHLX Semiconductor ETF (SOXQ) 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.

	SOXQ	FXAIX	Difference
Sharpe ratio: Return per unit of total volatility	4.26	1.97	+2.29
Sortino ratio: Return per unit of downside risk	4.25	2.67	+1.57
Omega ratio: Gain probability vs. loss probability	1.60	1.36	+0.24
Calmar ratio: Return relative to maximum drawdown	10.06	2.74	+7.32
Martin ratio: Return relative to average drawdown	36.55	12.46	+24.09

SOXQ vs. FXAIX - Sharpe Ratio Comparison

The current SOXQ Sharpe Ratio is 4.26, which is higher than the FXAIX Sharpe Ratio of 1.97. The chart below compares the historical Sharpe Ratios of SOXQ 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

SOXQ vs. FXAIX - Drawdown Comparison

The maximum SOXQ drawdown since its inception was -46.01%, which is greater than FXAIX's maximum drawdown of -33.79%. Use the drawdown chart below to compare losses from any high point for SOXQ and FXAIX.

Drawdown Indicators

	SOXQ	FXAIX	Difference
Max Drawdown Largest peak-to-trough decline	-46.01%	-33.79%	-12.22%
Max Drawdown (1Y) Largest decline over 1 year	-15.59%	-8.89%	-6.70%
Max Drawdown (3Y) Largest decline over 3 years	-39.36%	-18.76%	-20.60%
Max Drawdown (5Y) Largest decline over 5 years	-46.01%	-24.50%	-21.51%
Max Drawdown (10Y) Largest decline over 10 years	—	-33.79%	—
Current Drawdown Current decline from peak	-3.91%	-2.79%	-1.12%
Average Drawdown Average peak-to-trough decline	-12.92%	-3.79%	-9.13%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.29%	1.95%	+2.34%

Volatility

SOXQ vs. FXAIX - Volatility Comparison

Invesco PHLX Semiconductor ETF (SOXQ) has a higher volatility of 18.79% compared to Fidelity 500 Index Fund (FXAIX) at 4.44%. This indicates that SOXQ'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

	SOXQ	FXAIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	18.79%	4.44%	+14.35%
Volatility (6M) Calculated over the trailing 6-month period	30.67%	9.70%	+20.97%
Volatility (1Y) Calculated over the trailing 1-year period	36.79%	12.37%	+24.42%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	36.89%	16.99%	+19.90%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	36.87%	18.10%	+18.77%

SOXQ vs. FXAIX - Expense Ratio Comparison

SOXQ has a 0.19% expense ratio, which is higher than FXAIX's 0.02% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

SOXQ vs. FXAIX - Dividend Comparison

SOXQ's dividend yield for the trailing twelve months is around 0.27%, less than FXAIX's 1.06% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
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%
SOXQ Invesco PHLX Semiconductor ETF	0.27%	0.50%	0.68%	0.87%	1.36%	0.72%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both SOXQ and FXAIX in my portfolio?

SOXQ and FXAIX have a correlation of 0.73, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SOXQ or FXAIX?

SOXQ has higher volatility (18.79%) compared to FXAIX (4.44%). In terms of maximum drawdown, SOXQ dropped -46.01% vs FXAIX's -33.79%.

Which has better risk-adjusted returns?

SOXQ currently has the higher Sharpe Ratio (4.26 vs 1.97), 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.