Diversifying out of a single market
Most portfolios that feel diversified are one bet wearing several names: one city, one currency, one employer, one asset class. These frameworks are about measuring that honestly first, because a second holding that moves with the first has not reduced anything.
Read these in this order
14 frameworks. Each one ends in a number rather than an opinion.
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01Concentration limits
A concentration limit is a rule set in advance about how much of your net worth any single asset, building, tenant, employer or currency may represent, and its purpose is to make the decision while you are calm rather than while you are being persuaded.
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02Position sizing
Position sizing decides how much of a portfolio a single holding may occupy, and it is chosen by asking what happens if that holding goes to zero rather than by how confident anyone feels about it.
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03What diversification does, and does not
Diversification removes the risk specific to any one holding and does nothing about the risk shared by all of them, which is why a portfolio of thirty companies in one country or six apartments in one city is far less diversified than the number of lines suggests.
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04Core and satellite
Hold most of the money in something boring that tracks the market and confine every conviction to a small deliberate remainder, which works only if the remainder is measured, capped and reviewed rather than merely called a satellite.
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05The permanent portfolio
Harry Browne's answer to not knowing what the economy will do next was four equal quarters, one for each condition it can be in, and the interesting thing about it is not the return but which objection it survives.
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06Currency risk and the dirham peg
The dirham has been pegged to the US dollar at 3.6725 for decades, which means a Gulf resident holding dirham property, dirham salary and dollar denominated funds is not diversified across three currencies but concentrated in one, and the exposure only becomes visible when the money is eventually spent somewhere else.
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07Property versus index funds
Property and index funds are not competing return numbers, they are competing structures: property offers cheap leverage and a contractual income at the cost of eight to ten percent round trip friction, total illiquidity and single tenant concentration, while a fund offers instant diversification and near zero costs with no safe way to borrow against it.
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08Price to rent
The price to rent ratio is a property's price divided by a full year of rent on the same property, and it is the cleanest single figure for comparing how expensive housing is between cities, across time, and against the alternative of simply renting.
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09Dubai versus London
A Dubai resident buying a London rental pays roughly ten percent of the purchase price in stamp duty alone once the additional property and non resident surcharges are added, then pays UK income tax on the rent and UK capital gains tax on the exit, none of which exists in Dubai, which is why a lower headline yield in Dubai often survives contact with reality better than a higher one in London.
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10Dubai versus Singapore
One number decides this comparison before rental yields are discussed at all, because a foreign buyer in Singapore pays sixty percent of the purchase price in additional stamp duty and a foreign buyer in Dubai pays four.
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11Drawdown recovery math
Losses and gains are not symmetric: a fall of fifty percent requires a gain of one hundred percent to get back to where you started, and the required recovery accelerates sharply as the loss deepens.
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12Inflation and real returns
A real return is what is left after inflation, and because inflation compounds silently against every asset at once, a portfolio that looks like it is growing in currency terms can be losing purchasing power for years without a single statement showing a loss.
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13Liquidity risk
Liquidity risk is the gap between what an asset is worth and what it can be sold for today, and it is the only risk that decides whether a portfolio survives a bad month rather than merely how much it falls.
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14Emergency liquidity
Emergency liquidity is cash held deliberately so that a job loss, a vacancy or a levy never forces the sale of an illiquid asset at the wrong moment, and for a property owner in an expatriate market it needs to be larger than the standard advice because the two risks arrive together.
Run your own numbers
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Vanguard tested it. Investing immediately won roughly two thirds of the time.
Gross yield is what the brochure shows you. This is what reaches your account.
Terms you will meet
Each is one sentence, then the trap it hides.
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Investments Playbook publishes educational research and general information. Nothing on this site is personal investment advice, a solicitation, or a recommendation to buy or sell any asset. Property and securities can fall in value. Past performance does not predict future returns. Figures shown are indicative and may be delayed. Always take regulated professional advice before acting.