Evidence-reviewed mapping

IEF ucits alternative: CBU0

BestFolio maps IEF to CBU0 as a exact match European-listed alternative, with ISIN IE00B3VWN518. Eligibility depends on the investor's jurisdiction, broker and account type.

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US to European mapping

US ticker

IEF

Original US-listed ETF ticker used in strategy rules and backtests.

Mapped ticker

CBU0

iShares USD Treasury Bond 7-10yr UCITS ETF (Acc)

ISIN

IE00B3VWN518

Universal identifier to search at European brokers.

Confidence

Exact match

CBU0 tracks the same index or exposure as IEF; wrapper, costs and income treatment can still differ.

Also available as

IBTM iShares USD Treasury Bond 7-10yr UCITS ETF (Dist), ISIN IE00B1FZS798, ongoing charge 0.07% a year. Trades on London Stock Exchange (GBP).

Distributing share class retained as an alternative to the accumulating primary. Source: justETF, checked 2026-10-07. Checked 2026-10-07; source: justETF. Distributing; fund currency USD; size EUR 3,236 m; https://www.justetf.com/en/etf-profile.html?isin=IE00B1FZS798 For brokers that do not offer CBU0; BestFolio's European views and trade lists keep showing CBU0.

Include an issuer page or KID so the identity can be rechecked.

Exposure and product evidence

Reviewed 7 October 2026

Facts below are tied to this ISIN and share class. Exchange tickers identify trading lines; the ISIN identifies the product.

Source exposure · IEF

ICE US Treasury 7-10 Year

Target exposure · CBU0

ICE US Treasury 7-10 Year

Structure / domicile: ETF (UCITS) · Ireland
Distribution: Accumulating
Costs: TER 0.07% p.a.
Replication: Physical ( Sampling )
Mapping method: Same benchmark and daily leverage
Verified listings: London Stock Exchange: CBU0 (USD)

Known differences and mismatches

Fund wrapper, fees, tax treatment and exchange closing times can affect returns.
The US and European share classes can have different distribution policies.

Region and broker availability

Listings and trading currencies were checked on 7 October 2026. Availability depends on the broker, country and account.

Search by ISIN and confirm the current KID and order eligibility with your broker before relying on a mapping.

Official product sources

IEF issuer page CBU0 fund and listing facts (justETF)

What is CBU0?

CBU0 is iShares USD Treasury Bond 7-10yr UCITS ETF (Acc), the European-listed product BestFolio uses when translating IEF. Most targets are UCITS ETFs; some commodity and leveraged targets are UCITS-eligible ETCs or ETPs instead. Product structure and retail eligibility must be checked for the exact ISIN.

US exposure: ICE US Treasury 7-10 Year. European exposure: ICE US Treasury 7-10 Year. Same underlying index and leverage. Accumulating; fund currency USD; primary London Stock Exchange, USD. TER 0.07% p.a.; size EUR 4,437m. Sources: issuer and justETF, checked 2026-10-07; https://www.justetf.com/en/etf-profile.html?isin=IE00B3VWN518 The source ticker has 1x exposure and the mapped target has 1x exposure, so BestFolio can flag leverage differences during allocation translation.

Where IEF is used on BestFolio

IEF appears in 16 currently published BestFolio strategy universes or signal rules.