One picture, everywhere: is the whole cross-border portfolio on track?

The drawer with three languages in it

There is a drawer — you may have one — where the statements live. A UK brokerage report in English. Greek bank updates for the deposits and the bonds. A Cypriot account that dates from a different decade. Somewhere else entirely, in no drawer at all: two flats in Athens that nobody sends a statement for.

Each account, on its own, is perfectly sensible. Each was opened for a reason, and the reasons were good. But ask the simplest question a portfolio can be asked — is the whole thing on track, and how bad could it get? — and there is no one to put it to. The UK platform sees the UK account. The Greek bank sees the Greek accounts, and would rather talk about their products. Not one institution on earth can even accept the whole picture as an input.

That is not carelessness. It is the opposite.

The design was rational. The side-effect is unmeasured.

If you spread your wealth across jurisdictions after 2010–2015, you were not being disorganised — you were being taught. A crisis that ended in capital controls, imposed in the summer of 2015¹, teaches a lesson no textbook does: diversify across systems, not just assets. Different countries, different banks, different legal regimes. It was, and remains, an intelligent response to lived experience.

The unintended consequence arrived quietly. Consolidation is measurement: portfolio risk is a property of the whole book — how positions add up, offset, and fall together — and it can only be computed on the whole. Fragment the book across three systems and every institution measures its own fragment, competently, while the total goes unmeasured by anyone. The design that protects you from any single system also hides you from any single measurement.

This is usually where the trust question arises, so let it be answered plainly: assembling the picture does not mean handing anything over. Any account connection is read-only — we can look, we can never touch, and we could not move a euro if we tried. One flat fee. Nothing to sell you. The whole point of an analytics-only practice is that the picture is the product.

The number: one book, one table

Take an illustrative reader — call him Kostas, 54, in London, with the family's base in Athens. A UK brokerage account of £520,000. Greek deposits of €80,000 and Greek bonds of €100,000. A legacy Cypriot account holding €60,000. Two Athens flats conservatively valued at €450,000 in total. Consolidated at £1 = €1.17 (the as-of assumption; details under the hood):

Illustrative example, not a real client; figures rounded.

Three things appear on this page that exist on no statement Kostas receives.

First, the allocation itself — roughly half equities, a third property, the rest cash and bonds — is a portfolio nobody chose. Each account was a sensible local decision; the sum was never a decision at all.

Second, the currency line. The accounts are held in pounds and euros, but the exposure underneath — once you look through the brokerage holdings — is heavily dollar-linked. What the accounts say and what the money does are different facts.

Third, and largest: 48.5% of everything — €630,000 — is linked to one country. The deposits, the bonds, the two flats: one sovereign, one banking system, one property market. Whatever the intention, the book is long Greece. For a reader who diversified across systems precisely to avoid concentration, that single number is the one most worth having.

And then the question the whole design was built around: how bad could it get? The house format is three scenarios — normal market, stressed market, real-world shock — applied to the whole book at once:

Per-asset assumptions under the hood. The shock scenario marks Athens residential property down −30% in a year — within the range the Bank of Greece dwelling-price index recorded cumulatively between 2008 and 2017².

The shock number is not a prediction. It is the measured answer to the question 2015 taught you to ask — computed, for the first time, on everything at once. One boundary, stated once: what to do about any of it — and in particular anything touching tax or cross-border structuring — is outside our scope and belongs with an appropriately authorised cross-border professional. We quantify the exposures; the decisions, and the structuring, are not ours.

Ask this of your own portfolio

1. Has the total — every account, every country, the property — ever existed on one page, in one currency?
2. Which country is the whole picture actually long, once deposits, bonds and flats are counted together?
3. If you couldn't assemble the picture tomorrow, who could?

The honest limits

Property values are estimates between transactions, and Athens flats do not price daily; the figure in the table is only as good as its valuation date. Exchange rates move the totals — the same book is worth a different number in pounds each morning. The three scenarios are measured ranges, not fate: a real event will not match any row exactly. And consolidation measures the book; it does not restructure it. The picture tells you where you stand — everything after that is judgement, and the judgement is yours.

Who is watching the whole of it?

A picture assembled once goes stale quietly: markets move, currencies drift, a flat gets revalued, a bond matures into cash. The home-country share you read today is not the share you will hold in a year. And there is a second reader to think about — if the picture only exists in your head, your family inherits the drawer, not the map. One measured page, kept current, answers both. Today, for most cross-border wealth, the honest answer to "who is watching the whole of it?" is: no one — because no one can see it.

Under the hood

Consolidation converts all holdings to a single base currency at a stated as-of rate (£1 = €1.17 here; the platform marks FX daily). Scenario assumptions per asset class, applied to the illustrative book — normal / stressed / shock: equities −15% / −22% / −35%; Greek bonds −3% / −12% / −25%; deposits 0% / 0% / 0% (deposit-system risk in a systemic event is real but not modelled as a mark-to-market loss; it is flagged qualitatively); Athens residential property −2% / −8% / −30%, the shock calibrated against the Bank of Greece dwelling-price index history². Portfolio downside on the platform is measured as Expected Shortfall at 97.5% — the average of the worst 2.5% of outcomes — alongside stressed ES, on the consolidated book, daily. Full measure definitions, data windows and property-indexation method: see the methodology page.

Common questions

Who sees my account data? Connections are read-only and we hold no custody — we can never move money, in any account, in any country. We are not authorised or regulated as an investment adviser, portfolio manager or broker in the UK, EU or US, and we sell no products. The picture is assembled to be measured, not to be managed.

Do the flats really belong in a portfolio picture? Yes — because risk is a property of total wealth, not of the accounts that happen to send statements. Property carries measurable concentration, liquidity and single-city exposure like any position. Leaving it out means measuring roughly two-thirds of your book and calling it the whole.

Can you help me decide whether to move the Cyprus account? No — and deliberately. Anything involving cross-border structuring or tax sits outside an analytics-only practice and belongs with a specialist cross-border tax professional. What we can do is quantify the exposure so that any conversation you choose to have starts from measured numbers rather than a feeling.

Sources

1. Bank of Greece, Annual Report 2015 (imposition of capital controls, June 2015), bankofgreece.gr.
2. Bank of Greece, Index of prices of dwellings (urban areas / Athens), Statistics — Real estate market, bankofgreece.gr.
3. Private Hedge, Methodology — measures, scenarios and assumptions, privatehedge.co.