FNK vs. VOO

Last updated Jun 4, 2026

FNK (First Trust Mid Cap Value AlphaDEX Fund) and VOO (Vanguard S&P 500 ETF) are both exchange-traded funds - FNK is a Small Cap Value Equities fund tracking the NASDAQ AlphaDEX Mid Cap Value Index, while VOO is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 10 years, FNK returned 9.29%/yr vs 15.56%/yr for VOO. A 0.74 correlation means they provide meaningful diversification when combined. FNK charges 0.70%/yr vs 0.03%/yr for VOO.

Performance

FNK vs. VOO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in First Trust Mid Cap Value AlphaDEX Fund (FNK) and Vanguard S&P 500 ETF (VOO). 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 VOO's 10.91% return. Over the past 10 years, FNK has underperformed VOO with an annualized return of 9.29%, while VOO has yielded a comparatively higher 15.56% 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%

VOO

• 1D: -0.70%
• 1M: 5.04%
• YTD: 10.91%
• 6M: 10.93%
• 1Y: 28.04%
• 3Y*: 22.44%
• 5Y*: 13.90%
• 10Y*: 15.56%

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

FNK vs. VOO - 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%
VOO Vanguard S&P 500 ETF	10.91%	17.82%	24.98%	26.32%	-18.17%	28.79%	18.32%	31.37%	-4.50%	21.77%

Correlation

The correlation between FNK and VOO is 0.57, 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	0.57
Correlation (3Y) Calculated over the trailing 3-year period	0.64
Correlation (5Y) Calculated over the trailing 5-year period	0.74
Correlation (10Y) Calculated over the trailing 10-year period	0.72
Correlation (All Time) Calculated using the full available price history since Apr 21, 2011	0.74

The correlation between FNK and VOO shifts across timeframes, from 0.57 (1 year) to 0.74 (all time), reflecting how their relationship changes across market environments.

FNK vs. VOO - Sectors Allocation Comparison

Sectors	FNK	VOO
Financial Services	25.2%	11.6%
Consumer Cyclical	19.0%	10.2%
Industrials	12.8%	8.3%
Energy	8.4%	3.5%
Real Estate	7.5%	1.9%
Technology	7.1%	35.7%
Healthcare	5.3%	8.5%
Utilities	4.4%	2.4%
Basic Materials	4.0%	1.8%
Consumer Defensive	3.5%	4.9%
Communication Services	1.3%	11.3%

Return for Risk

FNK vs. VOO — 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

VOO

VOO Risk / Return Rank: 70
VOO Sharpe Ratio Rank: 71
VOO Sortino Ratio Rank: 70
VOO Omega Ratio Rank: 70
VOO Calmar Ratio Rank: 62
VOO Martin Ratio Rank: 75

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. VOO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for First Trust Mid Cap Value AlphaDEX Fund (FNK) and Vanguard S&P 500 ETF (VOO). 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	VOO	Difference
Sharpe ratio Return per unit of total volatility	1.29	2.39	-1.10
Sortino ratio Return per unit of downside risk	2.02	3.25	-1.24
Omega ratio Gain probability vs. loss probability	1.23	1.43	-0.20
Calmar ratio Return relative to maximum drawdown	2.15	3.16	-1.01
Martin ratio Return relative to average drawdown	6.23	14.73	-8.50
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. VOO - Sharpe Ratio Comparison

The current FNK Sharpe Ratio is 1.29, which is lower than the VOO Sharpe Ratio of 2.39. The chart below compares the historical Sharpe Ratios of FNK and VOO, 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	VOO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.29	2.39	-1.10
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.33	0.83	-0.50
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.39	0.87	-0.48
Sharpe Ratio (All Time) Calculated using the full available price history	0.40	0.89	-0.49

Drawdowns

FNK vs. VOO - Drawdown Comparison

The maximum FNK drawdown since its inception was -50.70%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for FNK and VOO.

Drawdown Indicators

	FNK	VOO	Difference
Max Drawdown Largest peak-to-trough decline	-50.70%	-33.99%	-16.71%
Max Drawdown (1Y) Largest decline over 1 year	-9.13%	-8.90%	-0.23%
Max Drawdown (3Y) Largest decline over 3 years	-25.16%	-18.69%	-6.47%
Max Drawdown (5Y) Largest decline over 5 years	-25.16%	-24.52%	-0.64%
Max Drawdown (10Y) Largest decline over 10 years	-50.70%	-33.99%	-16.71%
Current Drawdown Current decline from peak	-2.16%	-0.70%	-1.46%
Average Drawdown Average peak-to-trough decline	-6.84%	-3.69%	-3.15%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.15%	1.91%	+1.24%

Volatility

FNK vs. VOO - Volatility Comparison

First Trust Mid Cap Value AlphaDEX Fund (FNK) has a higher volatility of 3.53% compared to Vanguard S&P 500 ETF (VOO) at 2.84%. This indicates that FNK's price experiences larger fluctuations and is considered to be riskier than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FNK	VOO	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.53%	2.84%	+0.69%
Volatility (6M) Calculated over the trailing 6-month period	9.69%	8.90%	+0.79%
Volatility (1Y) Calculated over the trailing 1-year period	15.36%	11.80%	+3.56%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.04%	16.81%	+4.23%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.86%	18.01%	+5.85%

FNK vs. VOO - Expense Ratio Comparison

FNK has a 0.70% expense ratio, which is higher than VOO's 0.03% expense ratio.

Dividends

FNK vs. VOO - Dividend Comparison

FNK's dividend yield for the trailing twelve months is around 1.56%, more than VOO's 1.03% 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%
VOO Vanguard S&P 500 ETF	1.03%	1.13%	1.24%	1.46%	1.69%	1.25%	1.54%	1.88%	2.06%	1.78%	2.02%	2.10%

Frequently Asked Questions

Can I hold both FNK and VOO in my portfolio?

FNK and VOO have a correlation of 0.57, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FNK or VOO?

FNK has higher volatility (3.53%) compared to VOO (2.84%). In terms of maximum drawdown, FNK dropped -50.70% vs VOO's -33.99%.

Which ETF is better, FNK or VOO?

On 10-year performance, VOO leads with 15.56% vs 9.29% for FNK. On fees, VOO is cheaper at 0.03% per year. On volatility, VOO has been the lower-risk option at 2.84%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, FNK or VOO?

Over the 10-year period, VOO has performed better with a 15.56% 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 VOO?

VOO is cheaper with a 0.03% expense ratio, compared with 0.70% for FNK.

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

FNK has the higher dividend yield at 1.56%, compared with 1.03% for VOO.

What is the main difference between FNK and VOO?

FNK is categorized as Small Cap Value Equities, while VOO is S&P 500. FNK tracks NASDAQ AlphaDEX Mid Cap Value Index, while VOO tracks S&P 500 Index. They also come from different issuers: First Trust and Vanguard. Their fees differ too: 0.70% for FNK and 0.03% for VOO.

Which has better risk-adjusted returns?

VOO currently has the higher Sharpe Ratio (2.39 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.