Evidence-reviewed mapping

SPY ucits alternative: CSPX

BestFolio maps SPY to CSPX as a exact match European-listed alternative, with ISIN IE00B5BMR087. Eligibility depends on the investor's jurisdiction, broker and account type.

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US to European mapping

US ticker

SPY

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

Mapped ticker

CSPX

iShares Core S&P 500 UCITS ETF

Euronext listing: CSPX.AS (Amsterdam)

ISIN

IE00B5BMR087

Universal identifier to search at European brokers.

Confidence

Exact match

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

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

Exposure and product evidence

Reviewed 15 July 2026

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

Source exposure · SPY

S&P 500 Index: large-cap US equities.

Target exposure · CSPX

S&P 500 Index: the same large-cap US equity benchmark.

Structure / domicile: UCITS ETF · Ireland
Distribution: Accumulating
Costs: TER 0.07%
Replication: Physical index tracking
Mapping method: Exact benchmark match
Verified listings: London Stock Exchange: CSPX (USD)
Euronext Amsterdam: CSPX (EUR)

Known differences and mismatches

SPY is a US unit investment trust; CSPX is an Irish UCITS ETF.
SPY distributes income, while this CSPX share class accumulates it.
Fees, tax treatment, trading hours and listing currency differ.

Region and broker availability

The issuer lists CSPX on London and several continental European venues and registers it in multiple European jurisdictions. That does not guarantee eligibility at every broker or for every account type.

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

Official product sources

SPY issuer page CSPX issuer page

What is CSPX?

CSPX is iShares Core S&P 500 UCITS ETF, the European-listed product BestFolio uses when translating SPY. 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.

Accumulating. Also available as IUSA (distributing). The source ticker has 1x exposure and the mapped target has 1x exposure, so BestFolio can flag leverage differences during allocation translation.

Where SPY is used on BestFolio

SPY appears in 36 currently published BestFolio strategy universes or signal rules.