IDUB vs ISSB: Grades, Fees and Holdings Compared

Aptus International Enhanced Yield ETF

IDUBBCboe

IncomeSTKd 1x US Stocks & 1x Bitcoin Premium ETF

ISSBFCboe

Overlap

0.0%by weight

Expense ratio

IDUB −0.70pt a year

IDUB0.44%ISSB1.14%

Avg volume · 30D

IDUB 25.7×the volume

IDUB34.4KISSB1.34K

IDUB vs ISSB Performance

Jul 31, 2026 – Nov 2, 2026

−2.1%IDUB+23.6%ISSB

Expense ratio: IDUB 0.44%, better; ISSB 1.14%
Fund size: IDUB $502M; ISSB $2M
1Y total return: IDUB +16.0%; ISSB No data
Yield (12M): IDUB 4.97%; ISSB No data
Holdings: IDUB 2; ISSB 5
Avg volume (30D): IDUB 34.4K sh, better; ISSB 1.34K sh
NAV per share: IDUB $26.56; ISSB $19.38
52W range

ETF.net Grade

Pillar letters and Scores for IDUB, ISSB, with each pillar’s weight
Pillar	IDUB	ISSB
Cost30% weight	A92Higher	F6
Mission25% weight	Not scored	Not scored
Risk15% weight	B63Higher	F19
Tradability15% weight	C49Higher	F3
Holdings10% weight	D36	Not scored
Durability5% weight	A75Higher	F13

Rank among Index Option Income funds

How we build Categories ›

Same Category. IDUB and ISSB are both graded against the same 25 Index Option Income funds, so their Grades compare head to head.

Index Option Income⁠

Category · 25 funds

See all 25 ›

IDUB ranks 4th and ISSB 25th of 25 funds in the Index Option Income Category.

Rank 1ALQDWiShares Investment Grade Corporate Bond BuyWrite Strategy ETFScore 87
Rank 2AEFAAInvesco MSCI EAFE Income Advantage ETFScore 78
Rank 3AKNGFT Cboe Vest S&P 500 Dividend Aristocrats Target Income ETFScore 73
Rank 4BIDUBAptus International Enhanced Yield ETFScore 68
Rank 5BLQTIFT Vest Investment Grade & Target Income ETFScore 67
Rank 24FDRMYXFUNDS MEMORY INCOME ETFScore 17
Rank 25FISSBIncomeSTKd 1x US Stocks & 1x Bitcoin Premium ETFScore 8

Our read on each fund

ETF.net Research

IDUBBAptus International Enhanced Yield ETF

ISSBFIncomeSTKd 1x US Stocks & 1x Bitcoin Premium ETF

In short

IDUB Income-overlay funds usually stop at the U.S. border. IDUB goes the other way: an actively managed developed-plus-emerging-markets stock sleeve with a growth and momentum tilt, built to out-yield MSCI AC World ex USA, for 0.44% a year.

ISSB No data

Stated mandate

IDUB The Fund seeks capital appreciation together with current income.

ISSB No data

Why people hold it

IDUB Rare address for an income-overlay fund: developed and emerging market stocks, with the income goal set against MSCI AC World Index ex USA instead of a U.S. benchmark.
Charges 0.44% a year, well under the typical fee in its options-income peer group.
Actively managed with an advertised growth and momentum screen, so the stock side is a selection decision, not a market-cap copy of the index it's measured against.
Pairs capital appreciation with current income in one mandate, and lands among the stronger implementations in its options-income cohort.

ISSB No data

Worth knowing

IDUB Income is defined relative to the benchmark's yield, not a fixed payout, so the quarterly distribution moves around and can include return of capital.
Trades thinly next to the headline U.S. income ETFs, which can mean wider spreads on busy days.
Going abroad adds currency moves and emerging market country risk that a U.S.-only income fund doesn't carry.

ISSB No data

Full IDUB profile⁠

Full ISSB profile⁠

IDUB vs ISSB Holdings

How IDUB and ISSB differ

Overlap by weight

0.0%

Shared holdings make up 0.0% of IDUB and 0.0% of ISSB.

Level by level

Holdings0 in both0.0%
Countryby domicile1.4%
Asset classEquity100%

Sector

No Sector split for ISSB.

Country, concentration and asset class

Country by domicile

Country weights in IDUB and ISSB, widest gap first
Country	More in IDUBMore in ISSB	IDUB	ISSB
United States	ISSB +98.6 points	0.9%	99.5%
Japan	IDUB +16.4 points	16.4%	0.0%
Taiwan	IDUB +9.5 points	9.5%	0.0%
Canada	IDUB +7.9 points	7.9%	0.0%
United Kingdom	IDUB +7.8 points	7.8%	0.0%
China	IDUB +6.9 points	7.0%	0.1%
South Korea	IDUB +6.9 points	6.9%	0.0%
Switzerland	IDUB +4.9 points	5.2%	0.3%
Other countries (31)	IDUB +38.4 points	38.5%	0.1%

Outside the US: IDUB 66% developed, 34% emerging.

Concentration

Weight in the 10 largest Holdings

IDUB102.6%
ISSB108.3%

Securities held

IDUB2
ISSB4

Asset class

IDUB: Equity
ISSB: Equity

Holdings

Only in IDUB2
In both0
Only in ISSB4

Only in IDUB

2 securities, 100% of IDUB by weight

Vanguard Total International Stock ETF102.05%
United States Treasury Bill 07/08/20270.51%

Only in ISSB

4 securities, 73.3% of ISSB by weight

Spy 01/15/2027 670.01 C49.15%
Ibit Us 12/18/26 C4311.73%
First American Government Obligations Fund 12/01/203110.71%
Spy Us 11/06/26 P7501.67%

Weight gaps

IDUB and ISSB share no securities.

All IDUB holdings⁠All ISSB holdings⁠

How we measure overlap

Each holding counts at its smaller weight in the two funds, summed over the full Holdings. Sector, country and asset class use the same rule on each fund’s split. Cash, FX and derivative lines stay out of the counts. Two bond funds get no overlap figure.

IDUB vs ISSB Cost

Overpaying ISSB vs IDUB

$12,068

On $10,000 over 30 years. 7% growth a year before fees, expense ratio only.

IDUB 0.44%
$8,852
ISSB 1.14%
$20,920

Amount$10,000

Years30 years

Cost over time

IDUB 0.44%
ISSB 1.14%
Overpaying

Year by year

Year	IDUB	ISSB	Overpaying
10	$794	$1,998	$1,204
20	$3,061	$7,462	$4,401
30	$8,852	$20,920	$12,068

Expense ratio

0.44%IDUB, cheaper
1.14%ISSB

IDUB0.44%ISSB1.14%

0.34%1.34%

Middle half of Index Option Income funds
Median 0.81%

IDUB 3rd cheapest of 25 funds

ISSB 23rd cheapest of 25 funds

IDUB vs ISSB Dividends

Last 12 months to Nov 2, 2026

Yield (12M): IDUB 4.97%; ISSB No data
Payout (12M): IDUB $1.31; ISSB No data
Last payment: IDUB $0.35; ISSB $0.07
Ex-dividend: IDUB Sep 29, 2026; ISSB Nov 2, 2026
Paid on: IDUB Sep 30, 2026; ISSB Pays Nov 3, 2026
Frequency: IDUB Quarterly; ISSB Weekly

Distribution history

Per share, 2026, same scale for both

IDUBQuarterly · 3 paymentsAll IDUB payments⁠

ISSBWeekly · 40 paymentsAll ISSB payments⁠

IDUB vs ISSB Risk

Fall from peak · 5 years

This chart needs five years of history for both funds.

Risk facts

VolatilityStd dev, 3 years: IDUB 10.8%ISSB No data
Return per unit of riskSharpe ratio, 3 years: IDUB 1.27ISSB No data
Worst fallMax drawdown, 5 years: IDUB −28.7%ISSB No data
Market sensitivityBeta, 5 years: IDUB 0.64ISSB 1.71; Market = 1

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