Amundi, SPDR and Xtrackers ERI Now Supported
Excess Reportable Income (ERI) data for Amundi, State Street SPDR and Xtrackers funds is now built into the CGT Calculator. The update adds 3,180 provider-published entries, matched by ISIN, so more UK investors can calculate offshore fund income and the related Section 104 cost adjustment without copying figures from annual reports.
What is now covered
- Amundi / Lyxor: 176 entries for Multi Units Luxembourg share classes, mainly for the period ended 30 September 2025.
- State Street SPDR: 976 entries across 158 ISINs in SPDR ETFs Europe I and II plc, covering reporting periods from 2018 to 2025.
- Xtrackers: 2,028 entries across 403 ISINs in Xtrackers, Xtrackers II and Xtrackers (IE) plc, covering reporting periods from 2018 to 2024.
The full bundled dataset now contains 11,896 ERI entries from eight provider groups, including Vanguard, iShares, BlackRock, Invesco and VanEck. You can search the reference data by ISIN before running a report.
Why ERI changes both income and capital gains
If you hold an offshore reporting fund outside an ISA, HMRC can tax income retained inside the fund even when no cash reaches your account. This is not limited to accumulating ETFs: distributing share classes can also have ERI when the fund reports more income than it paid out.
The amount is based on the units held at the fund’s reporting period end. It is normally treated as received six months later, which determines the income tax year. The same amount is added to the allowable cost of the holding, preventing it from being taxed again as a capital gain when you sell.
A quick ERI example
Suppose you held 200 units at a reporting period end and the provider published ERI of $0.50 per unit. Using an illustrative GBP conversion rate of 0.78, the calculation is 200 × $0.50 × 0.78 = £78. That £78 is reportable income on the fund distribution date and also increases the pooled allowable cost by £78. Without the cost adjustment, the eventual capital gain would be overstated by the same amount.
Provider year-ends differ, so the timing matters. SPDR funds generally report to 31 March, Amundi’s included range to 30 September, and Xtrackers to 31 December. The calculator uses each fund’s actual reporting date rather than assuming a calendar year.
Missing periods are shown, not guessed
Bundled data does not mean every period exists for every fund. The Amundi release currently provides one reporting period per share class, while an investor may have held the fund for longer. The calculator now compares the available ERI periods with the time you held each fund. If a period is missing, the report names the missing date so you can obtain the figure and add it under Edit → Advanced → Custom ERI Entries.
This matters because silently applying only the latest period would understate the Section 104 pool cost and could overstate a later capital gain. We would rather show a precise gap than invent a number or imply that partial data is complete.
What the calculator does
Upload your broker transactions and the calculator matches covered holdings by ISIN, applies the provider’s per-unit ERI to the units held on the reporting date, converts it using the relevant HMRC monthly exchange rate, places the deemed income in the correct tax year and updates the Section 104 pool. The calculation runs in your browser.
For the underlying rules, read our guide to finding and reporting ERI or the ERI documentation.