FKU vs. FLGB

Last updated Jun 5, 2026

FKU (First Trust United Kingdom AlphaDEX Fund) and FLGB (Franklin FTSE United Kingdom ETF) are both Europe Equities funds - FKU tracks the NASDAQ AlphaDEX United Kingdom Index while FLGB tracks the FTSE UK RIC Capped Index. Both are passively managed. Over the past 5 years, FKU returned 7.43%/yr vs 10.79%/yr for FLGB. A 0.76 correlation means they provide meaningful diversification when combined. FKU charges 0.80%/yr vs 0.09%/yr for FLGB.

Performance

FKU vs. FLGB - Performance Comparison

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

Returns By Period

In the year-to-date period, FKU achieves a 6.49% return, which is significantly higher than FLGB's 6.10% return.

FKU

• 1D: 1.18%
• 1M: 2.77%
• YTD: 6.49%
• 6M: 12.08%
• 1Y: 21.04%
• 3Y*: 21.42%
• 5Y*: 7.43%
• 10Y*: 7.12%

FLGB

• 1D: 1.10%
• 1M: 0.70%
• YTD: 6.10%
• 6M: 9.49%
• 1Y: 20.40%
• 3Y*: 18.21%
• 5Y*: 10.79%
• 10Y*: —

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

FKU vs. FLGB - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FKU First Trust United Kingdom AlphaDEX Fund	6.49%	37.97%	8.06%	20.59%	-24.12%	20.55%	-6.01%	32.90%	-16.21%	2.59%
FLGB Franklin FTSE United Kingdom ETF	6.10%	33.73%	8.77%	14.33%	-6.00%	17.14%	-9.47%	23.23%	-11.60%	1.12%

Correlation

The correlation between FKU and FLGB is 0.89, 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	0.89
Correlation (3Y) Calculated over the trailing 3-year period	0.88
Correlation (5Y) Calculated over the trailing 5-year period	0.81
Correlation (All Time) Calculated using the full available price history since Nov 7, 2017	0.76

The correlation between FKU and FLGB shifts across timeframes, from 0.76 (all time) to 0.89 (1 year), reflecting how their relationship changes across market environments.

FKU vs. FLGB - Sectors Allocation Comparison

Sectors	FKU	FLGB
Financial Services	27.7%	24.2%
Basic Materials	17.8%	8.6%
Consumer Cyclical	13.2%	4.4%
Industrials	11.4%	14.2%
Communication Services	7.2%	2.6%
Consumer Defensive	6.7%	14.0%
Healthcare	5.3%	13.6%
Energy	4.0%	11.8%
Real Estate	4.0%	0.7%
Utilities	2.7%	5.3%
Technology	-	0.7%

Return for Risk

FKU vs. FLGB — Risk / Return Rank

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

FKU

FKU Risk / Return Rank: 33
FKU Sharpe Ratio Rank: 34
FKU Sortino Ratio Rank: 34
FKU Omega Ratio Rank: 34
FKU Calmar Ratio Rank: 31
FKU Martin Ratio Rank: 33

FLGB

FLGB Risk / Return Rank: 42
FLGB Sharpe Ratio Rank: 41
FLGB Sortino Ratio Rank: 41
FLGB Omega Ratio Rank: 41
FLGB Calmar Ratio Rank: 41
FLGB Martin Ratio Rank: 45

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.

FKU vs. FLGB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for First Trust United Kingdom AlphaDEX Fund (FKU) and Franklin FTSE United Kingdom ETF (FLGB). 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.

	FKU	FLGB	Difference
Sharpe ratio: Return per unit of total volatility	1.21	1.44	-0.23
Sortino ratio: Return per unit of downside risk	1.77	2.06	-0.29
Omega ratio: Gain probability vs. loss probability	1.22	1.26	-0.04
Calmar ratio: Return relative to maximum drawdown	1.48	2.00	-0.51
Martin ratio: Return relative to average drawdown	4.99	7.31	-2.32
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FKU vs. FLGB - Sharpe Ratio Comparison

The current FKU Sharpe Ratio is 1.21, which is comparable to the FLGB Sharpe Ratio of 1.44. The chart below compares the historical Sharpe Ratios of FKU and FLGB, 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

	FKU	FLGB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.21	1.44	-0.23
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.33	0.65	-0.33
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.29	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.33	0.42	-0.10

Drawdowns

FKU vs. FLGB - Drawdown Comparison

The maximum FKU drawdown since its inception was -54.39%, which is greater than FLGB's maximum drawdown of -42.61%. Use the drawdown chart below to compare losses from any high point for FKU and FLGB.

Drawdown Indicators

	FKU	FLGB	Difference
Max Drawdown Largest peak-to-trough decline	-54.39%	-42.61%	-11.78%
Max Drawdown (1Y) Largest decline over 1 year	-14.25%	-10.26%	-3.99%
Max Drawdown (3Y) Largest decline over 3 years	-14.25%	-13.13%	-1.12%
Max Drawdown (5Y) Largest decline over 5 years	-41.75%	-25.90%	-15.85%
Max Drawdown (10Y) Largest decline over 10 years	-54.39%	—	—
Current Drawdown Current decline from peak	-4.43%	-3.81%	-0.62%
Average Drawdown Average peak-to-trough decline	-10.81%	-6.69%	-4.12%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.23%	2.80%	+1.43%

Volatility

FKU vs. FLGB - Volatility Comparison

First Trust United Kingdom AlphaDEX Fund (FKU) has a higher volatility of 6.21% compared to Franklin FTSE United Kingdom ETF (FLGB) at 5.60%. This indicates that FKU's price experiences larger fluctuations and is considered to be riskier than FLGB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FKU	FLGB	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.21%	5.60%	+0.61%
Volatility (6M) Calculated over the trailing 6-month period	14.75%	12.10%	+2.65%
Volatility (1Y) Calculated over the trailing 1-year period	17.43%	14.21%	+3.22%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.90%	16.63%	+6.27%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.43%	18.97%	+5.46%

FKU vs. FLGB - Expense Ratio Comparison

FKU has a 0.80% expense ratio, which is higher than FLGB's 0.09% expense ratio.

Dividends

FKU vs. FLGB - Dividend Comparison

FKU's dividend yield for the trailing twelve months is around 2.71%, less than FLGB's 3.29% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FKU First Trust United Kingdom AlphaDEX Fund	2.71%	2.89%	4.07%	3.82%	5.55%	2.98%	1.48%	3.34%	5.12%	2.93%	2.60%	2.64%
FLGB Franklin FTSE United Kingdom ETF	3.29%	3.50%	4.42%	3.95%	4.23%	2.93%	2.67%	4.30%	3.92%	0.43%	0.00%	0.00%

Frequently Asked Questions

Can I hold both FKU and FLGB in my portfolio?

FKU and FLGB have a correlation of 0.89, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FKU or FLGB?

FKU has higher volatility (6.21%) compared to FLGB (5.60%). In terms of maximum drawdown, FKU dropped -54.39% vs FLGB's -42.61%.

Which ETF is better, FKU or FLGB?

On 5-year performance, FLGB leads with 10.79% vs 7.43% for FKU. On fees, FLGB is cheaper at 0.09% per year. On volatility, FLGB has been the lower-risk option at 5.60%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, FKU or FLGB?

Over the 5-year period, FLGB has performed better with a 10.79% return vs 7.43%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, FKU or FLGB?

FLGB is cheaper with a 0.09% expense ratio, compared with 0.80% for FKU.

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

FLGB has the higher dividend yield at 3.29%, compared with 2.71% for FKU.

What is the main difference between FKU and FLGB?

FKU tracks NASDAQ AlphaDEX United Kingdom Index, while FLGB tracks FTSE UK RIC Capped Index. They also come from different issuers: First Trust and Franklin Templeton. Their fees differ too: 0.80% for FKU and 0.09% for FLGB.

Which has better risk-adjusted returns?

FLGB currently has the higher Sharpe Ratio (1.44 vs 1.21), 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.