RBLD vs. SEA

Last updated Jun 4, 2026

RBLD (First Trust Alerian U.S. NextGen Infrastructure ETF) and SEA (U.S. Global Sea to Sky Cargo ETF) are both Industrials Equities funds - RBLD tracks the Alerian US NextGen Infrastructure Index - Benchmark TR Net while SEA tracks the U.S. Global Sea to Sky Cargo Index - Benchmark TR Gross. Both are passively managed. Over the past 3 years, RBLD returned 22.72%/yr vs 18.52%/yr for SEA. A 0.54 correlation means they provide meaningful diversification when combined. RBLD charges 0.65%/yr vs 0.60%/yr for SEA.

Performance

RBLD vs. SEA - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in First Trust Alerian U.S. NextGen Infrastructure ETF (RBLD) and U.S. Global Sea to Sky Cargo ETF (SEA). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with RBLD having a 19.89% return and SEA slightly higher at 20.79%.

RBLD

• 1D: -0.36%
• 1M: 0.95%
• YTD: 19.89%
• 6M: 18.51%
• 1Y: 28.68%
• 3Y*: 22.72%
• 5Y*: 10.76%
• 10Y*: 8.40%

SEA

• 1D: -0.80%
• 1M: 0.23%
• YTD: 20.79%
• 6M: 21.12%
• 1Y: 30.09%
• 3Y*: 18.52%
• 5Y*: —
• 10Y*: —

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

RBLD vs. SEA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
RBLD First Trust Alerian U.S. NextGen Infrastructure ETF	19.89%	13.99%	17.94%	19.36%	-7.94%
SEA U.S. Global Sea to Sky Cargo ETF	20.79%	16.78%	2.52%	19.33%	-17.28%

Correlation

The correlation between RBLD and SEA is 0.49, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.49
Correlation (3Y) Calculated over the trailing 3-year period	0.45
Correlation (All Time) Calculated using the full available price history since Jan 21, 2022	0.54

The correlation between RBLD and SEA has been stable across timeframes, ranging from 0.45 to 0.54 - a consistent structural relationship.

RBLD vs. SEA - Sectors Allocation Comparison

Sectors	RBLD	SEA
Industrials	41.6%	82.7%
Utilities	28.6%	-
Energy	9.3%	17.3%
Technology	9.2%	-1.6%
Basic Materials	6.2%	-
Real Estate	5.0%	-
Communication Services	1.0%	0.0%
Consumer Cyclical	-	-
Consumer Defensive	-	-
Financial Services	-	-
Healthcare	-	-

Return for Risk

RBLD vs. SEA — Risk / Return Rank

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

RBLD

RBLD Risk / Return Rank: 68
RBLD Sharpe Ratio Rank: 65
RBLD Sortino Ratio Rank: 63
RBLD Omega Ratio Rank: 61
RBLD Calmar Ratio Rank: 79
RBLD Martin Ratio Rank: 74

SEA

SEA Risk / Return Rank: 56
SEA Sharpe Ratio Rank: 54
SEA Sortino Ratio Rank: 54
SEA Omega Ratio Rank: 51
SEA Calmar Ratio Rank: 57
SEA Martin Ratio Rank: 64

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.

RBLD vs. SEA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for First Trust Alerian U.S. NextGen Infrastructure ETF (RBLD) and U.S. Global Sea to Sky Cargo ETF (SEA). 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.

	RBLD	SEA	Difference
Sharpe ratio: Return per unit of total volatility	2.15	1.86	+0.29
Sortino ratio: Return per unit of downside risk	2.93	2.62	+0.31
Omega ratio: Gain probability vs. loss probability	1.37	1.32	+0.04
Calmar ratio: Return relative to maximum drawdown	4.01	2.83	+1.17
Martin ratio: Return relative to average drawdown	13.80	11.52	+2.28
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RBLD vs. SEA - Sharpe Ratio Comparison

The current RBLD Sharpe Ratio is 2.15, which is comparable to the SEA Sharpe Ratio of 1.86. The chart below compares the historical Sharpe Ratios of RBLD and SEA, 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

	RBLD	SEA	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.15	1.86	+0.29
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.64	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.45	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.38	0.39	-0.01

Drawdowns

RBLD vs. SEA - Drawdown Comparison

The maximum RBLD drawdown since its inception was -50.07%, which is greater than SEA's maximum drawdown of -39.53%. Use the drawdown chart below to compare losses from any high point for RBLD and SEA.

Drawdown Indicators

	RBLD	SEA	Difference
Max Drawdown Largest peak-to-trough decline	-50.07%	-39.53%	-10.54%
Max Drawdown (1Y) Largest decline over 1 year	-7.19%	-10.67%	+3.48%
Max Drawdown (3Y) Largest decline over 3 years	-19.14%	-32.42%	+13.28%
Max Drawdown (5Y) Largest decline over 5 years	-23.71%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-50.07%	—	—
Current Drawdown Current decline from peak	-0.71%	-3.07%	+2.36%
Average Drawdown Average peak-to-trough decline	-10.84%	-14.31%	+3.47%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.08%	2.62%	-0.54%

Volatility

RBLD vs. SEA - Volatility Comparison

The current volatility for First Trust Alerian U.S. NextGen Infrastructure ETF (RBLD) is 4.27%, while U.S. Global Sea to Sky Cargo ETF (SEA) has a volatility of 5.17%. This indicates that RBLD experiences smaller price fluctuations and is considered to be less risky than SEA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RBLD	SEA	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.27%	5.17%	-0.90%
Volatility (6M) Calculated over the trailing 6-month period	10.39%	12.01%	-1.62%
Volatility (1Y) Calculated over the trailing 1-year period	13.45%	16.28%	-2.83%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.82%	21.67%	-4.85%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.73%	21.67%	-2.94%

RBLD vs. SEA - Expense Ratio Comparison

RBLD has a 0.65% expense ratio, which is higher than SEA's 0.60% expense ratio.

Dividends

RBLD vs. SEA - Dividend Comparison

RBLD's dividend yield for the trailing twelve months is around 1.01%, less than SEA's 5.59% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RBLD First Trust Alerian U.S. NextGen Infrastructure ETF	1.01%	1.19%	1.31%	1.16%	2.10%	1.45%	2.88%	1.84%	1.74%	1.49%	2.01%	1.17%
SEA U.S. Global Sea to Sky Cargo ETF	5.59%	6.76%	18.47%	9.85%	18.73%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both RBLD and SEA in my portfolio?

RBLD and SEA have a correlation of 0.49, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RBLD or SEA?

SEA has higher volatility (5.17%) compared to RBLD (4.27%). In terms of maximum drawdown, RBLD dropped -50.07% vs SEA's -39.53%.

Which ETF is better, RBLD or SEA?

On 3-year performance, RBLD leads with 22.72% vs 18.52% for SEA. On fees, SEA is cheaper at 0.60% per year. On volatility, RBLD has been the lower-risk option at 4.27%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, RBLD or SEA?

Over the 3-year period, RBLD has performed better with a 22.72% return vs 18.52%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, RBLD or SEA?

SEA is cheaper with a 0.60% expense ratio, compared with 0.65% for RBLD.

Which ETF pays a higher dividend yield, RBLD or SEA?

SEA has the higher dividend yield at 5.59%, compared with 1.01% for RBLD.

What is the main difference between RBLD and SEA?

RBLD tracks Alerian US NextGen Infrastructure Index - Benchmark TR Net, while SEA tracks U.S. Global Sea to Sky Cargo Index - Benchmark TR Gross. They also come from different issuers: First Trust and US Global. Their fees differ too: 0.65% for RBLD and 0.60% for SEA.

Which has better risk-adjusted returns?

RBLD currently has the higher Sharpe Ratio (2.15 vs 1.86), 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.