Time horizon (Anlagehorizont)

Level 2 · Foundations

German termAnlagehorizont

Read firstRisk vs. volatility

Used byGlide path · Sequence-of-returns risk · Decumulation

Deep divesFirst Investment

Time horizon is the length of time between now and when you plan to spend money you're investing or saving. Anlagehorizont (investment horizon) sets a ceiling on how much risk vs. volatility (price swings that can force a loss if you sell at the wrong moment) a portfolio can absorb: a horizon of months tolerates almost none, while a horizon of decades can absorb several market downturns and still recover.

Why it matters

Time horizon is the first filter for almost every allocation decision — before choosing an ETF (exchange-traded fund) mix or a savings vehicle, the question is how long the money can stay invested. Get the horizon wrong and the mechanism that hurts changes: money needed soon and parked in volatile assets can be forced out at a loss; money not needed for decades and left in low-yield savings loses purchasing power to inflation instead.

Horizon also interacts with age and life stage. As a horizon shortens — approaching retirement, or nearing a house purchase — the same portfolio that made sense at the start of the horizon usually stops making sense, which is why horizon underlies concepts like glide path (a schedule for shifting a portfolio's risk over time), sequence-of-returns risk (the danger of large withdrawals coinciding with a market downturn), and decumulation (drawing down savings in retirement).

Worked examples

1. A short horizon — furniture fund. Money set aside to furnish an apartment in 8 months has an 8-month horizon. Equity markets have historically taken several years to recover from a large downturn, so an 8-month horizon is shorter than that recovery window — a forced sale during a downturn would lock in a loss with no time left to wait it out. A short horizon like this generally points toward capital-stable savings vehicles instead of volatile ones.

2. A long horizon — retirement savings started at 35. Money contributed toward retirement at age 35, not needed until 67, has a horizon of roughly 32 years. That horizon comfortably exceeds the multi-year periods equity markets have needed to recover after past downturns, so short-term price swings matter far less than they would for the 8-month furniture fund — there is time to hold through multiple cycles.

Horizon	Example goal	Illustrative risk tolerance
Under 2 years	Rent deposit, furniture, planned move	Very low — favor capital-stable vehicles
2–10 years	Car replacement, home down payment	Moderate — depends on how fixed the deadline is
10+ years	Retirement, long-term wealth building	Higher — more time to recover from downturns

These bands are illustrative starting points, not fixed rules — the right allocation for a given horizon depends on how flexible the spending date actually is and how much volatility is tolerable along the way.

Check yourself

Anna starts investing for retirement at age 35 and plans to retire at 67. In years, what is her time horizon for this money?

Which of these has the shortest time horizon?

Money set aside for a rent deposit needed in 3 monthsA retirement portfolio started at age 30, with retirement planned at 67Savings for a home down payment planned for 6 years from nowA children's education fund with 12 years until the money is needed

Which statements about time horizon are correct? (Select all that apply.)

A shorter time horizon generally points toward less volatile, more capital-stable vehicles.Time horizon is determined by how much money is being invested, not by when it's needed.A long time horizon can absorb more short-term price swings because there is more time to recover before the money is needed.Once set, a time horizon never changes for a given pool of money.