Risk you can live with
Chapters
Chapters

Price fluctuations and permanent losses

Give a loss its reference point, then ask what it changes for the money you need.

Name the value you are comparing with

One invented portfolio: three observations in time order. No contributions or withdrawals; all income stays included.
  1. Start€40,000
  2. Later peak€50,000
  3. Now€35,000

Short bracket: −12.5%
€5,000 below the €40,000 start.

Tall bracket: −30%
€15,000 below the €50,000 peak.

Lines join the given observations; they do not show the unknown movement between them or a future recovery. Horizontal spacing does not measure elapsed time.

A drawdown measures decline from a previous peak. Volatility describes fluctuations, including rises; neither statistic establishes recovery or affordability.

Check the denominators and separate deposits

Start to peak gains €10,000 ÷ €40,000 = 25%. Peak to now loses €15,000 ÷ €50,000 = 30%; start to now loses €5,000 ÷ €40,000 = 12.5%. Each divides by the value beginning that comparison.

Account balances also change through contributions and withdrawals. Use a measure that separates flows when assessing investment drawdowns: a deposit restoring the balance is not a market recovery.

Unsold does not mean unchanged

Spark holds a bicycle's handlebar and raises his free palm towards Stone, who offers coins; neither bicycle nor money has changed hands.

An unrealised loss means no sale has been completed, not that the earlier spending value remains available. Selling today would supply less money. A company can fail, a borrower repay less, or surviving shares never regain their purchase price.

Calling a fall temporary assumes future recovery. Broad ownership reduces dependence on one business; it does not promise recovery by your spending date.

Separate a sale from the economic loss and the next decision

Selling changes what you own next and may affect reporting and tax. It is not the first economic consequence of falling value. A future buyer owes no earlier price; company failure or reduced debt repayment damages the claim itself.

During a decline, you often cannot know whether it will reverse. Review the investment and goal rather than automatically sell or hold every losing position.

Check purchasing power and access separately

Unchanged €10,000 can buy less after inflation or arrive too late after a transfer delay. Near-term money may need stability in the spending currency; distant goals also depend on returns and future costs. Price, purchasing power and access ask different questions.

Distinguish provider failure, missing assets and market losses

Provider unavailability can delay access while underlying assets retain value. Institutional failure alone establishes neither the eventual investment loss nor the recovery date.

US SIPC helps recover eligible customer cash and securities after a member brokerage fails, under its rules, but excludes ordinary market-value losses. Other jurisdictions’ eligibility and protection differ. Access problems, missing assets and price falls are not one insured event.

The Bank of England calculator illustrates historical UK purchasing power, not a forecast for your future expenses.

Compare the loss with the payment it threatens

Two hypothetical uses of the same €35,000 portfolio:

Compulsory €40,000 payment next month
A €5,000 shortfall; a possible recovery years later cannot pay this bill.
Optional purchase in fifteen years
More room to delay or reduce spending, with essential expenses funded separately. The investment still carries risk.

Record the threatened payment, missing amount and feasible alternatives in the goal record. Flexibility can permit waiting; it does not ensure success.

Review the decision as well as its outcome

A reasonable decision can lose money; a poorly considered one can gain. Check whether you understood the investment, fitted exposure to the goal and allowed for a fall, then consider new facts and changed circumstances.

Judge the process using what was knowable

Begin with information available when the decision was made. An unknowable outcome alone cannot establish a sound or mistaken process. New facts may justify change; this is no instruction to keep every loser. Identify what needs changing rather than treat the latest return as a verdict.

The next lesson separates financial capacity from willingness to bear uncertainty.

Check your understanding

Try each question, then check your answer.

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01

An account back at its starting value

An account starts at €10,000, rises to €12,500 and then falls to €10,000. With no external flows, what is its drawdown from the peak?

  • 0%, because the starting value has been restored.
  • 20%, despite being back at its starting value.
  • 25%, using the original €10,000 as the denominator.
Show the explanation

Correct answer: 20%, despite being back at its starting value.

The fall is €2,500 measured against the €12,500 peak: 20%. The return since the original €10,000 start is zero, which answers a different question. Naming the dates and the comparison base prevents those two measurements from being confused.

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02

A holding remains unsold

A holding bought for €10,000 can now be sold for €7,000 before costs. You have not sold it. Which statement describes the current financial position?

  • Its financial value remains €10,000 until a sale occurs.
  • The holding should be recorded as €10,000 of available capital, with the €3,000 decline tracked only as a possible future sale adjustment.
  • Its current value is €3,000 below cost even though the loss is unrealised.
Show the explanation

Correct answer: Its current value is €3,000 below cost even though the loss is unrealised.

Unrealised describes the absence of a sale; it does not preserve the old market value or promise recovery. Tax recognition is a separate question governed by local rules. Whether selling is appropriate depends on the plan and circumstances, not on treating an unsold loss as nonexistent.

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