FKU vs. ROBT

Last updated Jun 5, 2026

FKU (First Trust United Kingdom AlphaDEX Fund) and ROBT (First Trust Nasdaq Artificial Intelligence & Robotics ETF) are both exchange-traded funds - FKU is a Europe Equities fund tracking the NASDAQ AlphaDEX United Kingdom Index, while ROBT is a Technology Equities fund tracking the Nasdaq CTA Artificial Intelligence and Robotics Index. Both are passively managed. Over the past 5 years, FKU returned 7.43%/yr vs 2.42%/yr for ROBT. A 0.55 correlation means they provide meaningful diversification when combined. FKU charges 0.80%/yr vs 0.65%/yr for ROBT.

Performance

FKU vs. ROBT - 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 Nasdaq Artificial Intelligence & Robotics ETF (ROBT). 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 lower than ROBT's 14.43% 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%

ROBT

• 1D: 0.19%
• 1M: 11.90%
• YTD: 14.43%
• 6M: 10.78%
• 1Y: 30.07%
• 3Y*: 10.07%
• 5Y*: 2.42%
• 10Y*: —

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

FKU vs. ROBT - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
FKU First Trust United Kingdom AlphaDEX Fund	6.49%	37.97%	8.06%	20.59%	-24.12%	20.55%	-6.01%	32.90%	-18.38%
ROBT First Trust Nasdaq Artificial Intelligence & Robotics ETF	14.43%	15.16%	-0.41%	27.77%	-34.94%	9.91%	46.18%	34.28%	-13.98%

Correlation

The correlation between FKU and ROBT is 0.56, 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	0.56
Correlation (3Y) Calculated over the trailing 3-year period	0.61
Correlation (5Y) Calculated over the trailing 5-year period	0.55
Correlation (All Time) Calculated using the full available price history since Feb 23, 2018	0.55

The correlation between FKU and ROBT has been stable across timeframes, ranging from 0.55 to 0.61 - a consistent structural relationship.

FKU vs. ROBT - Sectors Allocation Comparison

Sectors	FKU	ROBT
Financial Services	27.7%	1.6%
Basic Materials	17.8%	-
Consumer Cyclical	13.2%	6.6%
Industrials	11.4%	20.4%
Communication Services	7.2%	4.1%
Consumer Defensive	6.7%	1.4%
Healthcare	5.3%	7.4%
Energy	4.0%	1.5%
Real Estate	4.0%	-
Utilities	2.7%	-
Technology	-	57.0%

Return for Risk

FKU vs. ROBT — 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

ROBT

ROBT Risk / Return Rank: 33
ROBT Sharpe Ratio Rank: 37
ROBT Sortino Ratio Rank: 36
ROBT Omega Ratio Rank: 33
ROBT Calmar Ratio Rank: 29
ROBT Martin Ratio Rank: 29

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. ROBT - 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 Nasdaq Artificial Intelligence & Robotics ETF (ROBT). 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	ROBT	Difference
Sharpe ratio: Return per unit of total volatility	1.21	1.30	-0.08
Sortino ratio: Return per unit of downside risk	1.77	1.85	-0.07
Omega ratio: Gain probability vs. loss probability	1.22	1.22	0.00
Calmar ratio: Return relative to maximum drawdown	1.48	1.39	+0.09
Martin ratio: Return relative to average drawdown	4.99	4.01	+0.98
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. ROBT - Sharpe Ratio Comparison

The current FKU Sharpe Ratio is 1.21, which is comparable to the ROBT Sharpe Ratio of 1.30. The chart below compares the historical Sharpe Ratios of FKU and ROBT, 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	ROBT	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.21	1.30	-0.08
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.33	0.10	+0.23
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	0.35	-0.02

Drawdowns

FKU vs. ROBT - Drawdown Comparison

The maximum FKU drawdown since its inception was -54.39%, which is greater than ROBT's maximum drawdown of -44.47%. Use the drawdown chart below to compare losses from any high point for FKU and ROBT.

Drawdown Indicators

	FKU	ROBT	Difference
Max Drawdown Largest peak-to-trough decline	-54.39%	-44.47%	-9.92%
Max Drawdown (1Y) Largest decline over 1 year	-14.25%	-21.66%	+7.41%
Max Drawdown (3Y) Largest decline over 3 years	-14.25%	-27.68%	+13.43%
Max Drawdown (5Y) Largest decline over 5 years	-41.75%	-43.26%	+1.51%
Max Drawdown (10Y) Largest decline over 10 years	-54.39%	—	—
Current Drawdown Current decline from peak	-4.43%	-1.54%	-2.89%
Average Drawdown Average peak-to-trough decline	-10.81%	-15.96%	+5.15%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.23%	7.53%	-3.30%

Volatility

FKU vs. ROBT - Volatility Comparison

First Trust United Kingdom AlphaDEX Fund (FKU) and First Trust Nasdaq Artificial Intelligence & Robotics ETF (ROBT) have volatilities of 6.21% and 6.42%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FKU	ROBT	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.21%	6.42%	-0.21%
Volatility (6M) Calculated over the trailing 6-month period	14.75%	17.51%	-2.76%
Volatility (1Y) Calculated over the trailing 1-year period	17.43%	23.30%	-5.87%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.90%	25.17%	-2.27%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.43%	25.47%	-1.04%

FKU vs. ROBT - Expense Ratio Comparison

FKU has a 0.80% expense ratio, which is higher than ROBT's 0.65% expense ratio.

Dividends

FKU vs. ROBT - Dividend Comparison

FKU's dividend yield for the trailing twelve months is around 2.71%, while ROBT has not paid dividends to shareholders.

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%
ROBT First Trust Nasdaq Artificial Intelligence & Robotics ETF	0.00%	0.00%	0.68%	0.23%	0.35%	0.06%	0.17%	0.42%	0.44%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both FKU and ROBT in my portfolio?

FKU and ROBT have a correlation of 0.56, 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 ROBT?

ROBT has higher volatility (6.42%) compared to FKU (6.21%). In terms of maximum drawdown, FKU dropped -54.39% vs ROBT's -44.47%.

Which ETF is better, FKU or ROBT?

On 5-year performance, FKU leads with 7.43% vs 2.42% for ROBT. On fees, ROBT is cheaper at 0.65% per year. On volatility, FKU has been the lower-risk option at 6.21%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, FKU or ROBT?

Over the 5-year period, FKU has performed better with a 7.43% return vs 2.42%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, FKU or ROBT?

ROBT is cheaper with a 0.65% expense ratio, compared with 0.80% for FKU.

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

FKU has the higher dividend yield at 2.71%, compared with 0.00% for ROBT.

What is the main difference between FKU and ROBT?

FKU is categorized as Europe Equities, while ROBT is Technology Equities. FKU tracks NASDAQ AlphaDEX United Kingdom Index, while ROBT tracks Nasdaq CTA Artificial Intelligence and Robotics Index. Their fees differ too: 0.80% for FKU and 0.65% for ROBT.

Which has better risk-adjusted returns?

ROBT currently has the higher Sharpe Ratio (1.30 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.