FKU vs. AIRR

Last updated Apr 1, 2026

Compare and contrast key facts about First Trust United Kingdom AlphaDEX Fund (FKU) and First Trust RBA American Industrial Renaissance ETF (AIRR).

FKU and AIRR are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. FKU is a passively managed fund by First Trust that tracks the performance of the NASDAQ AlphaDEX United Kingdom Index. It was launched on Feb 14, 2012. AIRR is a passively managed fund by First Trust that tracks the performance of the Richard Bernstein Advisors American Industrial Renaissance (TR). It was launched on Mar 10, 2014. Both FKU and AIRR are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

Performance

FKU vs. AIRR - Performance Comparison

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

FKU vs. AIRR - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FKU First Trust United Kingdom AlphaDEX Fund	-0.77%	37.97%	8.06%	20.59%	-24.12%	20.55%	-6.01%	32.90%	-16.21%	25.81%
AIRR First Trust RBA American Industrial Renaissance ETF	12.74%	27.92%	33.45%	31.43%	-2.08%	33.01%	17.17%	33.97%	-20.57%	16.28%

Returns By Period

In the year-to-date period, FKU achieves a -0.77% return, which is significantly lower than AIRR's 12.74% return. Over the past 10 years, FKU has underperformed AIRR with an annualized return of 6.74%, while AIRR has yielded a comparatively higher 20.48% annualized return.

FKU

• 1D: 3.56%
• 1M: -9.63%
• YTD: -0.77%
• 6M: 5.20%
• 1Y: 29.72%
• 3Y*: 18.49%
• 5Y*: 7.68%
• 10Y*: 6.74%

AIRR

• 1D: 4.60%
• 1M: -6.21%
• YTD: 12.74%
• 6M: 14.68%
• 1Y: 62.71%
• 3Y*: 32.43%
• 5Y*: 22.20%
• 10Y*: 20.48%

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

FKU vs. AIRR - Expense Ratio Comparison

FKU has a 0.80% expense ratio, which is higher than AIRR's 0.70% expense ratio.

FKU

First Trust United Kingdom AlphaDEX Fund

AIRR

First Trust RBA American Industrial Renaissance ETF

Return for Risk

FKU vs. AIRR — Risk / Return Rank

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

FKU

FKU Risk / Return Rank: 79
FKU Sharpe Ratio Rank: 81
FKU Sortino Ratio Rank: 82
FKU Omega Ratio Rank: 80
FKU Calmar Ratio Rank: 76
FKU Martin Ratio Rank: 76

AIRR

AIRR Risk / Return Rank: 95
AIRR Sharpe Ratio Rank: 94
AIRR Sortino Ratio Rank: 95
AIRR Omega Ratio Rank: 91
AIRR Calmar Ratio Rank: 97
AIRR Martin Ratio Rank: 96

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. AIRR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for First Trust United Kingdom AlphaDEX Fund (FKU) and First Trust RBA American Industrial Renaissance ETF (AIRR). 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	AIRR	Difference
Sharpe ratio Return per unit of total volatility	1.56	2.23	-0.67
Sortino ratio Return per unit of downside risk	2.15	2.92	-0.77
Omega ratio Gain probability vs. loss probability	1.31	1.38	-0.08
Calmar ratio Return relative to maximum drawdown	2.00	4.78	-2.78
Martin ratio Return relative to average drawdown	8.06	16.89	-8.83
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. AIRR - Sharpe Ratio Comparison

The current FKU Sharpe Ratio is 1.56, which is lower than the AIRR Sharpe Ratio of 2.23. The chart below compares the historical Sharpe Ratios of FKU and AIRR, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	FKU	AIRR	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.56	2.23	-0.67
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.34	0.89	-0.55
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.28	0.79	-0.51
Sharpe Ratio (All Time) Calculated using the full available price history	0.31	0.62	-0.31

Correlation

The correlation between FKU and AIRR is 0.50, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

FKU vs. AIRR - Dividend Comparison

FKU's dividend yield for the trailing twelve months is around 2.90%, more than AIRR's 0.16% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FKU First Trust United Kingdom AlphaDEX Fund	2.90%	2.89%	4.07%	3.82%	5.55%	2.98%	1.48%	3.34%	5.12%	2.93%	2.60%	2.64%
AIRR First Trust RBA American Industrial Renaissance ETF	0.16%	0.19%	0.18%	0.23%	0.12%	0.05%	0.10%	0.20%	0.43%	0.30%	0.08%	0.47%

Drawdowns

FKU vs. AIRR - Drawdown Comparison

The maximum FKU drawdown since its inception was -54.39%, which is greater than AIRR's maximum drawdown of -42.37%. Use the drawdown chart below to compare losses from any high point for FKU and AIRR.

Drawdown Indicators

	FKU	AIRR	Difference
Max Drawdown Largest peak-to-trough decline	-54.39%	-42.37%	-12.02%
Max Drawdown (1Y) Largest decline over 1 year	-14.25%	-13.09%	-1.16%
Max Drawdown (5Y) Largest decline over 5 years	-41.84%	-27.95%	-13.89%
Max Drawdown (10Y) Largest decline over 10 years	-54.39%	-42.37%	-12.02%
Current Drawdown Current decline from peak	-10.95%	-9.09%	-1.86%
Average Drawdown Average peak-to-trough decline	-10.87%	-7.50%	-3.37%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.54%	3.71%	-0.17%

Volatility

FKU vs. AIRR - Volatility Comparison

The current volatility for First Trust United Kingdom AlphaDEX Fund (FKU) is 8.10%, while First Trust RBA American Industrial Renaissance ETF (AIRR) has a volatility of 10.92%. This indicates that FKU experiences smaller price fluctuations and is considered to be less risky than AIRR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FKU	AIRR	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.10%	10.92%	-2.82%
Volatility (6M) Calculated over the trailing 6-month period	12.69%	19.67%	-6.98%
Volatility (1Y) Calculated over the trailing 1-year period	19.17%	28.26%	-9.09%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.70%	25.07%	-2.37%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.35%	26.14%	-1.79%