---
title: "Buy and hold: why long-term holding is so hard to beat"
description: "Buy and hold explained: why low costs, tax deferral and a closed behaviour gap carry the strategy, what it does not mean, and where it fails."
canonical: "https://investboard.de/en/wissen/buy-and-hold-strategie"
language: "en"
published: "2026-07-09"
modified: "2026-07-09"
last_verified: "2026-07-27"
author: "David Bartas"
author_url: "https://investboard.de/ueber-uns"
reviewer: "David Bartas"
reviewed: "2026-07-27"
---

# Buy and hold: why long-term holding is so hard to beat

Buy, diversify, hold for decades: the strategy that asks little except the hardest thing, doing nothing.

## In short

Buy and hold means holding a broadly diversified portfolio for decades; you trade only to invest through a savings plan and rebalance. The strategy keeps costs low, defers tax, and closes the behaviour gap. In Barber and Odean's data, the most active traders earned 11.4% against a 17.9% market return. Its greatest enemy is intervention during a crash.

- Buy and hold: buy broadly diversified, hold for decades, trade only for the savings plan and rebalancing
- The strategy works through three mechanisms: low costs, tax deferral and a closed behaviour gap
- Historical studies (Barber/Odean, Morningstar) show that activity cost returns, no promise for the future
- The most common failure is intervening in a crash; a mandate, an emergency fund and a cooling-off rule guard against it

Buy and hold sounds like passivity and is nonetheless one of the most demanding strategies there is: buy, diversify broadly, hold for decades. Demanding not because of the technique, but because it asks you to do nothing in the loudest moments.

This piece explains why the strategy works, what it really demands, and where it most often fails.

> Buy and hold rarely fails at the market. It fails at the hand that wanders towards the sell button.

## What buy and hold means

**Buy and hold** means buying a broadly diversified portfolio, for instance through a worldwide equity ETF, and holding it for decades, regardless of market phases. You trade for two reasons only: to invest fresh money and to rebalance by fixed rules. Forecasts, entry and exit signals and sector bets have no place in the strategy.

## Why the strategy works

Three mechanisms carry buy and hold, and none of them requires any forecasting skill:

**1. Costs stay small.** Every trade costs spread and fees. Whoever trades rarely, pays rarely. The research is clear: Barber and Odean found, for US households from 1991 to 1997, that the most active traders earned 11.4% net per year, the average household 16.4%, the market 17.9%. Not stock selection but trading costs and frequency explained the shortfall.

**2. Taxes are deferred.** Every sale realises gains and triggers the flat tax. Whoever holds lets the tax amount keep working; taxation comes only at the end (the annual Vorabpauschale is small by comparison and credited later). Compounding works on the gross rather than the net amount.

**3. The behaviour gap stays closed.** Morningstar repeatedly measures around 1.2 percentage points per year of distance between fund return and investor return, caused by the timing of inflows and outflows. Whoever does not move in and out cannot structurally open that gap.

All figures cited are historical study results from the US market, not promises of returns. They document a pattern, not a guarantee.

## What buy and hold does not mean

The strategy is often confused with "buy and forget". Three things still belong to it:

- **Rebalancing by rules:** the target allocation drifts with markets; once a year, or beyond a fixed band, it is set back. That is discipline, not market timing.
- **Keeping the savings plan running:** buy and hold applies to the buying too; whoever stops the plan in a crash is timing the market through the back door.
- **Adjusting when life changes:** time horizon, risk capacity and goals may change the allocation; market moods may not.

## Where buy and hold fails

The strategy has a single relevant enemy: your own intervention at the wrong moment. The panic sale in a crash turns a temporary decline into a final loss. The best remedy is not willpower in the storm but preparation in the calm: a written investment mandate, an emergency fund outside the portfolio (so nothing ever has to be sold at the worst time) and a cooling-off rule for unplanned decisions.

The strategy is explained in an hour and mastered over thirty years. The market delivers the return; your task is to let it.

## Who the strategy suits

Buy and hold suits investors with a long horizon (roughly ten years and up) who can bear fluctuations because money needed in the short term does not sit in the portfolio. It does not suit money with a near-term purpose, and it does not remove the one real decision at the start: an allocation that matches your own risk capacity.

## Frequently asked questions

### What does buy and hold mean?

Buy and hold means buying a broadly diversified portfolio, for instance through a worldwide equity ETF, and holding it for decades regardless of market phases. You trade only to invest fresh money and to rebalance by fixed rules. Forecasts and entry or exit signals play no part.

### Why does buy and hold work?

Through three mechanisms: trading costs stay small, taxes on gains are deferred until sale, and the behaviour gap stays closed. Historical studies support the pattern: in Barber and Odean's data the most active traders earned 11.4% net per year against 17.9% for the market. A finding, not a promise.

### Is buy and hold the same as buy and forget?

No. The strategy includes rule-based rebalancing, a savings plan that keeps running through weak phases, and adjustments when your life changes (not when the market moves). An investment mandate, an emergency fund and a cooling-off rule guard against the panic sale.

## Sources

- [Trading Is Hazardous to Your Wealth: The Common Stock Investment Performance of Individual Investors](https://faculty.haas.berkeley.edu/odean/papers%20current%20versions/individual_investor_performance_final.pdf) · The Journal of Finance
- [Mind the Gap 2025: US report on investor returns](https://www.morningstar.com/content/cs-assets/v3/assets/blt9415ea4cc4157833/blt2c5c4d9171638c42/689b424311f3880edc4b4813/US_Mind_the_Gap_2025.pdf) · Morningstar