FNK vs. RWK

Last updated Jun 4, 2026

FNK (First Trust Mid Cap Value AlphaDEX Fund) and RWK (Invesco S&P MidCap 400 Revenue ETF) are both exchange-traded funds - FNK is a Small Cap Value Equities fund tracking the NASDAQ AlphaDEX Mid Cap Value Index, while RWK is a Small Cap Blend Equities fund tracking the S&P MidCap 400 Revenue-Weighted Index. Both are passively managed. Over the past 10 years, FNK returned 9.29%/yr vs 12.80%/yr for RWK. Their correlation of 0.91 suggests significant overlap in exposure. FNK charges 0.70%/yr vs 0.39%/yr for RWK.

Performance

FNK vs. RWK - Performance Comparison

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

Returns By Period

In the year-to-date period, FNK achieves a 7.22% return, which is significantly lower than RWK's 13.47% return. Over the past 10 years, FNK has underperformed RWK with an annualized return of 9.29%, while RWK has yielded a comparatively higher 12.80% annualized return.

FNK

• 1D: -0.38%
• 1M: 0.68%
• YTD: 7.22%
• 6M: 7.56%
• 1Y: 19.55%
• 3Y*: 13.11%
• 5Y*: 6.97%
• 10Y*: 9.29%

RWK

• 1D: -0.23%
• 1M: 4.38%
• YTD: 13.47%
• 6M: 12.75%
• 1Y: 28.13%
• 3Y*: 18.05%
• 5Y*: 10.64%
• 10Y*: 12.80%

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

FNK vs. RWK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FNK First Trust Mid Cap Value AlphaDEX Fund	7.22%	5.65%	6.65%	21.03%	-7.24%	33.60%	1.23%	20.56%	-14.72%	11.81%
RWK Invesco S&P MidCap 400 Revenue ETF	13.47%	10.27%	11.94%	23.76%	-8.19%	34.31%	11.06%	28.20%	-14.65%	13.39%

Correlation

The correlation between FNK and RWK 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	0.94
Correlation (5Y) Calculated over the trailing 5-year period	0.95
Correlation (10Y) Calculated over the trailing 10-year period	0.94
Correlation (All Time) Calculated using the full available price history since Apr 21, 2011	0.91

The correlation between FNK and RWK has been stable across timeframes, ranging from 0.91 to 0.95 - a consistent structural relationship.

FNK vs. RWK - Sectors Allocation Comparison

Sectors	FNK	RWK
Financial Services	25.2%	13.1%
Consumer Cyclical	19.0%	20.7%
Industrials	12.8%	21.8%
Energy	8.4%	5.3%
Real Estate	7.5%	2.8%
Technology	7.1%	14.0%
Healthcare	5.3%	4.0%
Utilities	4.4%	1.6%
Basic Materials	4.0%	4.7%
Consumer Defensive	3.5%	11.3%
Communication Services	1.3%	0.7%

Return for Risk

FNK vs. RWK — Risk / Return Rank

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

FNK

FNK Risk / Return Rank: 38
FNK Sharpe Ratio Rank: 35
FNK Sortino Ratio Rank: 39
FNK Omega Ratio Rank: 35
FNK Calmar Ratio Rank: 43
FNK Martin Ratio Rank: 39

RWK

RWK Risk / Return Rank: 49
RWK Sharpe Ratio Rank: 48
RWK Sortino Ratio Rank: 52
RWK Omega Ratio Rank: 46
RWK Calmar Ratio Rank: 51
RWK Martin Ratio Rank: 48

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.

FNK vs. RWK - Risk-Adjusted Trends Comparison

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

	FNK	RWK	Difference
Sharpe ratio: Return per unit of total volatility	1.29	1.70	-0.41
Sortino ratio: Return per unit of downside risk	2.02	2.54	-0.52
Omega ratio: Gain probability vs. loss probability	1.23	1.29	-0.06
Calmar ratio: Return relative to maximum drawdown	2.15	2.54	-0.39
Martin ratio: Return relative to average drawdown	6.23	8.15	-1.92
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FNK vs. RWK - Sharpe Ratio Comparison

The current FNK Sharpe Ratio is 1.29, which is comparable to the RWK Sharpe Ratio of 1.70. The chart below compares the historical Sharpe Ratios of FNK and RWK, 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

	FNK	RWK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.29	1.70	-0.41
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.33	0.51	-0.17
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.39	0.56	-0.17
Sharpe Ratio (All Time) Calculated using the full available price history	0.40	0.48	-0.08

Drawdowns

FNK vs. RWK - Drawdown Comparison

The maximum FNK drawdown since its inception was -50.70%, smaller than the maximum RWK drawdown of -56.49%. Use the drawdown chart below to compare losses from any high point for FNK and RWK.

Drawdown Indicators

	FNK	RWK	Difference
Max Drawdown Largest peak-to-trough decline	-50.70%	-56.49%	+5.79%
Max Drawdown (1Y) Largest decline over 1 year	-9.13%	-11.14%	+2.01%
Max Drawdown (3Y) Largest decline over 3 years	-25.16%	-24.58%	-0.58%
Max Drawdown (5Y) Largest decline over 5 years	-25.16%	-24.58%	-0.58%
Max Drawdown (10Y) Largest decline over 10 years	-50.70%	-46.20%	-4.50%
Current Drawdown Current decline from peak	-2.16%	-0.23%	-1.93%
Average Drawdown Average peak-to-trough decline	-6.84%	-7.55%	+0.71%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.15%	3.46%	-0.31%

Volatility

FNK vs. RWK - Volatility Comparison

The current volatility for First Trust Mid Cap Value AlphaDEX Fund (FNK) is 3.53%, while Invesco S&P MidCap 400 Revenue ETF (RWK) has a volatility of 4.70%. This indicates that FNK experiences smaller price fluctuations and is considered to be less risky than RWK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FNK	RWK	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.53%	4.70%	-1.17%
Volatility (6M) Calculated over the trailing 6-month period	9.69%	11.86%	-2.17%
Volatility (1Y) Calculated over the trailing 1-year period	15.36%	16.70%	-1.34%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.04%	21.13%	-0.09%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.86%	22.95%	+0.91%

FNK vs. RWK - Expense Ratio Comparison

FNK has a 0.70% expense ratio, which is higher than RWK's 0.39% expense ratio.

Dividends

FNK vs. RWK - Dividend Comparison

FNK's dividend yield for the trailing twelve months is around 1.56%, more than RWK's 1.12% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FNK First Trust Mid Cap Value AlphaDEX Fund	1.56%	1.53%	1.63%	1.76%	1.66%	1.27%	1.61%	1.82%	1.76%	1.40%	1.38%	1.45%
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 FNK and RWK in my portfolio?

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

RWK has higher volatility (4.70%) compared to FNK (3.53%). In terms of maximum drawdown, FNK dropped -50.70% vs RWK's -56.49%.

Which ETF is better, FNK or RWK?

On 10-year performance, RWK leads with 12.80% vs 9.29% for FNK. On fees, RWK is cheaper at 0.39% per year. On volatility, FNK has been the lower-risk option at 3.53%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, FNK or RWK?

Over the 10-year period, RWK has performed better with a 12.80% return vs 9.29%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, FNK or RWK?

RWK is cheaper with a 0.39% expense ratio, compared with 0.70% for FNK.

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

FNK has the higher dividend yield at 1.56%, compared with 1.12% for RWK.

What is the main difference between FNK and RWK?

FNK is categorized as Small Cap Value Equities, while RWK is Small Cap Blend Equities. FNK tracks NASDAQ AlphaDEX Mid Cap Value Index, while RWK tracks S&P MidCap 400 Revenue-Weighted Index. They also come from different issuers: First Trust and Invesco. Their fees differ too: 0.70% for FNK and 0.39% for RWK.

Which has better risk-adjusted returns?

RWK currently has the higher Sharpe Ratio (1.70 vs 1.29), 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.