FEX vs. RSP

Last updated Jun 4, 2026

FEX (First Trust Large Cap Core AlphaDEX Fund) and RSP (Invesco S&P 500 Equal Weight ETF) are both exchange-traded funds - FEX is a Large Cap Blend Equities fund tracking the Nasdaq AlphaDEX Large Cap Core Index, while RSP is a S&P 500 fund tracking the S&P 500 Equal Weight Index. Both are passively managed. Over the past 10 years, FEX returned 13.11%/yr vs 11.86%/yr for RSP. Their correlation of 0.93 suggests significant overlap in exposure. FEX charges 0.57%/yr vs 0.20%/yr for RSP.

Performance

FEX vs. RSP - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in First Trust Large Cap Core AlphaDEX Fund (FEX) and Invesco S&P 500 Equal Weight ETF (RSP). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FEX achieves a 15.12% return, which is significantly higher than RSP's 9.70% return. Over the past 10 years, FEX has outperformed RSP with an annualized return of 13.11%, while RSP has yielded a comparatively lower 11.86% annualized return.

FEX

• 1D: -0.19%
• 1M: 5.13%
• YTD: 15.12%
• 6M: 15.57%
• 1Y: 29.38%
• 3Y*: 20.78%
• 5Y*: 11.10%
• 10Y*: 13.11%

RSP

• 1D: -0.38%
• 1M: 3.77%
• YTD: 9.70%
• 6M: 10.18%
• 1Y: 19.50%
• 3Y*: 15.23%
• 5Y*: 8.33%
• 10Y*: 11.86%

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

FEX vs. RSP - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FEX First Trust Large Cap Core AlphaDEX Fund	15.12%	15.05%	17.07%	14.31%	-11.86%	26.83%	14.28%	26.93%	-9.89%	21.41%
RSP Invesco S&P 500 Equal Weight ETF	9.70%	11.21%	12.79%	13.70%	-11.62%	29.41%	12.66%	28.91%	-7.84%	18.52%

Correlation

The correlation between FEX and RSP is 0.92, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.92
Correlation (3Y) Calculated over the trailing 3-year period	0.96
Correlation (5Y) Calculated over the trailing 5-year period	0.97
Correlation (10Y) Calculated over the trailing 10-year period	0.97
Correlation (All Time) Calculated using the full available price history since May 11, 2007	0.93

The correlation between FEX and RSP has been stable across timeframes, ranging from 0.92 to 0.97 - a consistent structural relationship.

FEX vs. RSP - Sectors Allocation Comparison

Sectors	FEX	RSP
Industrials	19.4%	14.1%
Technology	18.8%	19.6%
Financial Services	14.3%	14.5%
Healthcare	8.9%	11.0%
Consumer Cyclical	8.5%	9.9%
Utilities	7.5%	6.1%
Energy	6.3%	4.5%
Real Estate	4.7%	6.0%
Consumer Defensive	4.5%	6.5%
Communication Services	3.6%	3.7%
Basic Materials	3.5%	4.1%

Return for Risk

FEX vs. RSP — Risk / Return Rank

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

FEX

FEX Risk / Return Rank: 76
FEX Sharpe Ratio Rank: 72
FEX Sortino Ratio Rank: 72
FEX Omega Ratio Rank: 69
FEX Calmar Ratio Rank: 85
FEX Martin Ratio Rank: 84

RSP

RSP Risk / Return Rank: 49
RSP Sharpe Ratio Rank: 48
RSP Sortino Ratio Rank: 49
RSP Omega Ratio Rank: 46
RSP Calmar Ratio Rank: 50
RSP Martin Ratio Rank: 54

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.

FEX vs. RSP - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for First Trust Large Cap Core AlphaDEX Fund (FEX) and Invesco S&P 500 Equal Weight ETF (RSP). 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.

	FEX	RSP	Difference
Sharpe ratio: Return per unit of total volatility	2.36	1.70	+0.66
Sortino ratio: Return per unit of downside risk	3.28	2.47	+0.81
Omega ratio: Gain probability vs. loss probability	1.41	1.30	+0.12
Calmar ratio: Return relative to maximum drawdown	4.74	2.49	+2.24
Martin ratio: Return relative to average drawdown	17.27	9.48	+7.80
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FEX vs. RSP - Sharpe Ratio Comparison

The current FEX Sharpe Ratio is 2.36, which is higher than the RSP Sharpe Ratio of 1.70. The chart below compares the historical Sharpe Ratios of FEX and RSP, 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

	FEX	RSP	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.36	1.70	+0.66
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.68	0.52	+0.16
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.71	0.65	+0.06
Sharpe Ratio (All Time) Calculated using the full available price history	0.48	0.57	-0.09

Drawdowns

FEX vs. RSP - Drawdown Comparison

The maximum FEX drawdown since its inception was -58.81%, roughly equal to the maximum RSP drawdown of -59.92%. Use the drawdown chart below to compare losses from any high point for FEX and RSP.

Drawdown Indicators

	FEX	RSP	Difference
Max Drawdown Largest peak-to-trough decline	-58.81%	-59.92%	+1.11%
Max Drawdown (1Y) Largest decline over 1 year	-6.23%	-7.85%	+1.62%
Max Drawdown (3Y) Largest decline over 3 years	-19.58%	-17.81%	-1.77%
Max Drawdown (5Y) Largest decline over 5 years	-21.27%	-21.38%	+0.11%
Max Drawdown (10Y) Largest decline over 10 years	-39.51%	-39.04%	-0.47%
Current Drawdown Current decline from peak	-0.19%	-0.38%	+0.19%
Average Drawdown Average peak-to-trough decline	-7.89%	-6.65%	-1.24%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.71%	2.06%	-0.35%

Volatility

FEX vs. RSP - Volatility Comparison

First Trust Large Cap Core AlphaDEX Fund (FEX) has a higher volatility of 3.98% compared to Invesco S&P 500 Equal Weight ETF (RSP) at 2.56%. This indicates that FEX's price experiences larger fluctuations and is considered to be riskier than RSP based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FEX	RSP	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.98%	2.56%	+1.42%
Volatility (6M) Calculated over the trailing 6-month period	9.17%	8.29%	+0.88%
Volatility (1Y) Calculated over the trailing 1-year period	12.51%	11.56%	+0.95%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.47%	16.18%	+0.29%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.59%	18.35%	+0.24%

FEX vs. RSP - Expense Ratio Comparison

FEX has a 0.57% expense ratio, which is higher than RSP's 0.20% expense ratio.

Dividends

FEX vs. RSP - Dividend Comparison

FEX's dividend yield for the trailing twelve months is around 0.95%, less than RSP's 1.49% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FEX First Trust Large Cap Core AlphaDEX Fund	0.95%	1.10%	1.18%	1.38%	1.61%	0.80%	1.21%	1.32%	1.34%	1.07%	1.29%	1.33%
RSP Invesco S&P 500 Equal Weight ETF	1.49%	1.64%	1.52%	1.64%	1.82%	1.28%	1.64%	1.69%	2.02%	1.52%	1.20%	1.70%

Frequently Asked Questions

Can I hold both FEX and RSP in my portfolio?

With a correlation of 0.92, FEX and RSP 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, FEX or RSP?

FEX has higher volatility (3.98%) compared to RSP (2.56%). In terms of maximum drawdown, FEX dropped -58.81% vs RSP's -59.92%.

Which ETF is better, FEX or RSP?

On 10-year performance, FEX leads with 13.11% vs 11.86% for RSP. On fees, RSP is cheaper at 0.20% per year. On volatility, RSP has been the lower-risk option at 2.56%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, FEX or RSP?

Over the 10-year period, FEX has performed better with a 13.11% return vs 11.86%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, FEX or RSP?

RSP is cheaper with a 0.20% expense ratio, compared with 0.57% for FEX.

Which ETF pays a higher dividend yield, FEX or RSP?

RSP has the higher dividend yield at 1.49%, compared with 0.95% for FEX.

What is the main difference between FEX and RSP?

FEX is categorized as Large Cap Blend Equities, while RSP is S&P 500. FEX tracks Nasdaq AlphaDEX Large Cap Core Index, while RSP tracks S&P 500 Equal Weight Index. They also come from different issuers: First Trust and Invesco. Their fees differ too: 0.57% for FEX and 0.20% for RSP.

Which has better risk-adjusted returns?

FEX currently has the higher Sharpe Ratio (2.36 vs 1.70), 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.