RWK vs. FYX

Last updated Jun 3, 2026

RWK (Invesco S&P MidCap 400 Revenue ETF) and FYX (First Trust Small Cap Core AlphaDEX Fund) are both Small Cap Blend Equities funds - RWK tracks the S&P MidCap 400 Revenue-Weighted Index while FYX tracks the Nasdaq AlphaDEX Small Cap Core Index. Both are passively managed. Over the past 10 years, RWK returned 12.83%/yr vs 12.42%/yr for FYX. Their correlation of 0.90 suggests significant overlap in exposure. RWK charges 0.39%/yr vs 0.63%/yr for FYX.

Performance

RWK vs. FYX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco S&P MidCap 400 Revenue ETF (RWK) and First Trust Small Cap Core AlphaDEX Fund (FYX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RWK achieves a 13.73% return, which is significantly lower than FYX's 19.73% return. Both investments have delivered pretty close results over the past 10 years, with RWK having a 12.83% annualized return and FYX not far behind at 12.42%.

RWK

• 1D: 1.10%
• 1M: 3.22%
• YTD: 13.73%
• 6M: 14.17%
• 1Y: 30.18%
• 3Y*: 18.14%
• 5Y*: 10.78%
• 10Y*: 12.83%

FYX

• 1D: 0.65%
• 1M: 1.45%
• YTD: 19.73%
• 6M: 21.82%
• 1Y: 47.95%
• 3Y*: 20.55%
• 5Y*: 8.58%
• 10Y*: 12.42%

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

RWK vs. FYX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RWK Invesco S&P MidCap 400 Revenue ETF	13.73%	10.27%	11.94%	23.76%	-8.19%	34.31%	11.06%	28.20%	-14.65%	13.39%
FYX First Trust Small Cap Core AlphaDEX Fund	19.73%	12.68%	12.22%	18.30%	-18.41%	27.43%	19.48%	21.32%	-10.64%	14.34%

Correlation

The correlation between RWK and FYX is 0.91, 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	0.91
Correlation (3Y) Calculated over the trailing 3-year period	0.92
Correlation (5Y) Calculated over the trailing 5-year period	0.93
Correlation (10Y) Calculated over the trailing 10-year period	0.94
Correlation (All Time) Calculated using the full available price history since Feb 25, 2008	0.90

The correlation between RWK and FYX has been stable across timeframes, ranging from 0.90 to 0.94 - a consistent structural relationship.

RWK vs. FYX - Sectors Allocation Comparison

Sectors	RWK	FYX
Industrials	21.8%	15.9%
Consumer Cyclical	20.7%	11.7%
Technology	14.0%	10.9%
Financial Services	13.1%	17.5%
Consumer Defensive	11.3%	5.7%
Energy	5.3%	6.4%
Basic Materials	4.7%	4.5%
Healthcare	4.0%	14.3%
Real Estate	2.8%	8.4%
Utilities	1.6%	1.6%
Communication Services	0.7%	3.1%

Return for Risk

RWK vs. FYX — Risk / Return Rank

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

RWK

RWK Risk / Return Rank: 52
RWK Sharpe Ratio Rank: 52
RWK Sortino Ratio Rank: 56
RWK Omega Ratio Rank: 50
RWK Calmar Ratio Rank: 52
RWK Martin Ratio Rank: 49

FYX

FYX Risk / Return Rank: 83
FYX Sharpe Ratio Rank: 80
FYX Sortino Ratio Rank: 82
FYX Omega Ratio Rank: 73
FYX Calmar Ratio Rank: 92
FYX Martin Ratio Rank: 89

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.

RWK vs. FYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco S&P MidCap 400 Revenue ETF (RWK) and First Trust Small Cap Core AlphaDEX Fund (FYX). 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.

	RWK	FYX	Difference
Sharpe ratio Return per unit of total volatility	1.82	2.64	-0.83
Sortino ratio Return per unit of downside risk	2.70	3.73	-1.03
Omega ratio Gain probability vs. loss probability	1.31	1.44	-0.13
Calmar ratio Return relative to maximum drawdown	2.62	6.28	-3.66
Martin ratio Return relative to average drawdown	8.44	20.31	-11.87
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RWK vs. FYX - Sharpe Ratio Comparison

The current RWK Sharpe Ratio is 1.82, which is lower than the FYX Sharpe Ratio of 2.64. The chart below compares the historical Sharpe Ratios of RWK and FYX, 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

	RWK	FYX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.82	2.64	-0.83
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.51	0.39	+0.12
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.56	0.51	+0.05
Sharpe Ratio (All Time) Calculated using the full available price history	0.48	0.36	+0.11

Drawdowns

RWK vs. FYX - Drawdown Comparison

The maximum RWK drawdown since its inception was -56.49%, smaller than the maximum FYX drawdown of -61.80%. Use the drawdown chart below to compare losses from any high point for RWK and FYX.

Drawdown Indicators

	RWK	FYX	Difference
Max Drawdown Largest peak-to-trough decline	-56.49%	-61.80%	+5.31%
Max Drawdown (1Y) Largest decline over 1 year	-11.14%	-7.56%	-3.58%
Max Drawdown (3Y) Largest decline over 3 years	-24.58%	-27.91%	+3.33%
Max Drawdown (5Y) Largest decline over 5 years	-24.58%	-27.91%	+3.33%
Max Drawdown (10Y) Largest decline over 10 years	-46.20%	-48.82%	+2.62%
Current Drawdown Current decline from peak	0.00%	-0.15%	+0.15%
Average Drawdown Average peak-to-trough decline	-7.56%	-10.89%	+3.33%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.46%	2.34%	+1.12%

Volatility

RWK vs. FYX - Volatility Comparison

Invesco S&P MidCap 400 Revenue ETF (RWK) has a higher volatility of 4.93% compared to First Trust Small Cap Core AlphaDEX Fund (FYX) at 4.60%. This indicates that RWK's price experiences larger fluctuations and is considered to be riskier than FYX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RWK	FYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.93%	4.60%	+0.33%
Volatility (6M) Calculated over the trailing 6-month period	11.87%	11.96%	-0.09%
Volatility (1Y) Calculated over the trailing 1-year period	16.72%	18.22%	-1.50%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.13%	21.95%	-0.82%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.96%	24.21%	-1.25%

RWK vs. FYX - Expense Ratio Comparison

RWK has a 0.39% expense ratio, which is lower than FYX's 0.63% expense ratio.

Dividends

RWK vs. FYX - Dividend Comparison

RWK's dividend yield for the trailing twelve months is around 1.12%, more than FYX's 0.68% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FYX First Trust Small Cap Core AlphaDEX Fund	0.68%	0.64%	1.62%	1.22%	0.95%	0.99%	0.65%	1.12%	1.08%	0.60%	0.94%	0.88%
RWK Invesco S&P MidCap 400 Revenue ETF	1.12%	1.25%	1.11%	1.05%	1.18%	0.85%	0.96%	1.09%	1.22%	0.99%	1.30%	0.92%

Frequently Asked Questions

Can I hold both RWK and FYX in my portfolio?

With a correlation of 0.91, RWK and FYX 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, RWK or FYX?

RWK has higher volatility (4.93%) compared to FYX (4.60%). In terms of maximum drawdown, RWK dropped -56.49% vs FYX's -61.80%.

Which ETF is better, RWK or FYX?

On 10-year performance, RWK leads with 12.83% vs 12.42% for FYX. On fees, RWK is cheaper at 0.39% per year. On volatility, FYX has been the lower-risk option at 4.60%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, RWK or FYX?

Over the 10-year period, RWK has performed better with a 12.83% return vs 12.42%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, RWK or FYX?

RWK is cheaper with a 0.39% expense ratio, compared with 0.63% for FYX.

Which ETF pays a higher dividend yield, RWK or FYX?

RWK has the higher dividend yield at 1.12%, compared with 0.68% for FYX.

What is the main difference between RWK and FYX?

RWK tracks S&P MidCap 400 Revenue-Weighted Index, while FYX tracks Nasdaq AlphaDEX Small Cap Core Index. They also come from different issuers: Invesco and First Trust. Their fees differ too: 0.39% for RWK and 0.63% for FYX.

Which has better risk-adjusted returns?

FYX currently has the higher Sharpe Ratio (2.64 vs 1.82), 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.