FSZ vs. FKU

Last updated Jun 4, 2026

FSZ (First Trust Switzerland AlphaDEX Fund) and FKU (First Trust United Kingdom AlphaDEX Fund) are both Europe Equities funds from First Trust - FSZ tracks the NASDAQ AlphaDEX Switzerland Index while FKU tracks the NASDAQ AlphaDEX United Kingdom Index. Both are passively managed. Over the past 10 years, FSZ returned 9.42%/yr vs 7.02%/yr for FKU. A 0.64 correlation means they provide meaningful diversification when combined. Both charge a 0.80% expense ratio.

Performance

FSZ vs. FKU - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in First Trust Switzerland AlphaDEX Fund (FSZ) and First Trust United Kingdom AlphaDEX Fund (FKU). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FSZ achieves a 2.04% return, which is significantly lower than FKU's 5.25% return. Over the past 10 years, FSZ has outperformed FKU with an annualized return of 9.42%, while FKU has yielded a comparatively lower 7.02% annualized return.

FSZ

• 1D: -0.66%
• 1M: 1.60%
• YTD: 2.04%
• 6M: 6.03%
• 1Y: 9.94%
• 3Y*: 12.14%
• 5Y*: 5.94%
• 10Y*: 9.42%

FKU

• 1D: -1.06%
• 1M: 2.79%
• YTD: 5.25%
• 6M: 11.03%
• 1Y: 20.04%
• 3Y*: 20.72%
• 5Y*: 7.18%
• 10Y*: 7.02%

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

FSZ vs. FKU - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FSZ First Trust Switzerland AlphaDEX Fund	2.04%	30.10%	-1.85%	21.30%	-20.12%	20.18%	13.83%	25.88%	-15.22%	31.30%
FKU First Trust United Kingdom AlphaDEX Fund	5.25%	37.97%	8.06%	20.59%	-24.12%	20.55%	-6.01%	32.90%	-16.21%	25.81%

Correlation

The correlation between FSZ and FKU is 0.72, 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	0.72
Correlation (3Y) Calculated over the trailing 3-year period	0.69
Correlation (5Y) Calculated over the trailing 5-year period	0.64
Correlation (10Y) Calculated over the trailing 10-year period	0.64
Correlation (All Time) Calculated using the full available price history since Feb 28, 2012	0.64

The correlation between FSZ and FKU has been stable across timeframes, ranging from 0.64 to 0.72 - a consistent structural relationship.

FSZ vs. FKU - Sectors Allocation Comparison

Sectors	FSZ	FKU
Industrials	22.0%	11.4%
Healthcare	22.0%	5.3%
Financial Services	18.9%	27.7%
Consumer Cyclical	10.0%	13.2%
Basic Materials	8.2%	17.8%
Consumer Defensive	6.6%	6.7%
Communication Services	3.9%	7.2%
Real Estate	3.7%	4.0%
Utilities	3.1%	2.7%
Technology	1.6%	-
Energy	-	4.0%

Return for Risk

FSZ vs. FKU — Risk / Return Rank

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

FSZ

FSZ Risk / Return Rank: 20
FSZ Sharpe Ratio Rank: 21
FSZ Sortino Ratio Rank: 20
FSZ Omega Ratio Rank: 19
FSZ Calmar Ratio Rank: 21
FSZ Martin Ratio Rank: 20

FKU

FKU Risk / Return Rank: 31
FKU Sharpe Ratio Rank: 32
FKU Sortino Ratio Rank: 32
FKU Omega Ratio Rank: 31
FKU Calmar Ratio Rank: 29
FKU Martin Ratio Rank: 32

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.

FSZ vs. FKU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for First Trust Switzerland AlphaDEX Fund (FSZ) and First Trust United Kingdom AlphaDEX Fund (FKU). 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.

	FSZ	FKU	Difference
Sharpe ratio Return per unit of total volatility	0.70	1.16	-0.45
Sortino ratio Return per unit of downside risk	1.10	1.70	-0.60
Omega ratio Gain probability vs. loss probability	1.13	1.21	-0.08
Calmar ratio Return relative to maximum drawdown	0.96	1.41	-0.45
Martin ratio Return relative to average drawdown	2.41	4.76	-2.35
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FSZ vs. FKU - Sharpe Ratio Comparison

The current FSZ Sharpe Ratio is 0.70, which is lower than the FKU Sharpe Ratio of 1.16. The chart below compares the historical Sharpe Ratios of FSZ and FKU, 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

	FSZ	FKU	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.70	1.16	-0.45
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.31	0.32	-0.01
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.50	0.29	+0.21
Sharpe Ratio (All Time) Calculated using the full available price history	0.52	0.32	+0.19

Drawdowns

FSZ vs. FKU - Drawdown Comparison

The maximum FSZ drawdown since its inception was -33.97%, smaller than the maximum FKU drawdown of -54.39%. Use the drawdown chart below to compare losses from any high point for FSZ and FKU.

Drawdown Indicators

	FSZ	FKU	Difference
Max Drawdown Largest peak-to-trough decline	-33.97%	-54.39%	+20.42%
Max Drawdown (1Y) Largest decline over 1 year	-10.39%	-14.25%	+3.86%
Max Drawdown (3Y) Largest decline over 3 years	-13.93%	-14.25%	+0.32%
Max Drawdown (5Y) Largest decline over 5 years	-33.96%	-41.75%	+7.79%
Max Drawdown (10Y) Largest decline over 10 years	-33.97%	-54.39%	+20.42%
Current Drawdown Current decline from peak	-5.11%	-5.55%	+0.44%
Average Drawdown Average peak-to-trough decline	-7.00%	-10.81%	+3.81%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.14%	4.22%	-0.08%

Volatility

FSZ vs. FKU - Volatility Comparison

The current volatility for First Trust Switzerland AlphaDEX Fund (FSZ) is 4.72%, while First Trust United Kingdom AlphaDEX Fund (FKU) has a volatility of 6.21%. This indicates that FSZ experiences smaller price fluctuations and is considered to be less risky than FKU based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FSZ	FKU	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.72%	6.21%	-1.49%
Volatility (6M) Calculated over the trailing 6-month period	10.70%	14.71%	-4.01%
Volatility (1Y) Calculated over the trailing 1-year period	14.25%	17.40%	-3.15%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.34%	22.89%	-3.55%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.95%	24.43%	-5.48%

FSZ vs. FKU - Expense Ratio Comparison

Both FSZ and FKU have an expense ratio of 0.80%.

Dividends

FSZ vs. FKU - Dividend Comparison

FSZ's dividend yield for the trailing twelve months is around 2.39%, less than FKU's 2.74% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FKU First Trust United Kingdom AlphaDEX Fund	2.74%	2.89%	4.07%	3.82%	5.55%	2.98%	1.48%	3.34%	5.12%	2.93%	2.60%	2.64%
FSZ First Trust Switzerland AlphaDEX Fund	2.39%	1.80%	1.80%	2.11%	3.50%	1.62%	1.53%	2.01%	2.29%	1.49%	1.93%	1.08%

Frequently Asked Questions

Can I hold both FSZ and FKU in my portfolio?

FSZ and FKU have a correlation of 0.72, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FSZ or FKU?

FKU has higher volatility (6.21%) compared to FSZ (4.72%). In terms of maximum drawdown, FSZ dropped -33.97% vs FKU's -54.39%.

Which ETF is better, FSZ or FKU?

On 10-year performance, FSZ leads with 9.42% vs 7.02% for FKU. Both ETFs have the same 0.80% expense ratio. On volatility, FSZ has been the lower-risk option at 4.72%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, FSZ or FKU?

Over the 10-year period, FSZ has performed better with a 9.42% return vs 7.02%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, FSZ or FKU?

FSZ and FKU have the same expense ratio: 0.80% per year.

Which ETF pays a higher dividend yield, FSZ or FKU?

FKU has the higher dividend yield at 2.74%, compared with 2.39% for FSZ.

What is the main difference between FSZ and FKU?

FSZ tracks NASDAQ AlphaDEX Switzerland Index, while FKU tracks NASDAQ AlphaDEX United Kingdom Index.

Which has better risk-adjusted returns?

FKU currently has the higher Sharpe Ratio (1.16 vs 0.70), 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.