Portfolio & risk
DCA or lump sum
Dollar-cost averaging means buying fixed amounts at fixed moments regardless of price. The question is not which method always wins, but which fits your amount, horizon and nerves.
What DCA actually does
With DCA you automatically buy more units when the price is low and fewer when it is high, flattening your average entry price. It is a time-diversification technique, not a return trick.
The main effect is behavioural: you no longer need to predict. A fixed schedule removes the entry decision, and with it the biggest source of regret.
When lump sum works out better
In markets that rise over the long run, lump sum historically beats spreading more often: your money works sooner. That holds for equities and statistically also for bitcoin over long periods.
The downside is the path. Entering just before a 60% drawdown tests conviction in a way the average investor does not survive. DCA buys psychological durability at a small expected return cost.
A schedule you can keep
Pick a frequency that matches your income: monthly with a salary, weekly for larger amounts. More often than weekly adds little diversification and more cost.
Set the duration up front. Spreading a lump sum over six to twelve months is a common middle ground.
- Fixed amount, fixed day, no exceptions
- Spread a one-off amount over 6-12 months
- Only revise on income changes
The 'DCA with exceptions' trap
The moment you buy extra on every dip and skip every rally, you are timing again with the illusion of a system.
If you want to react to prices, do it from a separate, capped pot and keep the DCA part clean.
Costs and record keeping
Fixed fees weigh heavily on small amounts. Calculate the percentage you pay per purchase and adjust size or frequency.
Record every purchase with date, amount, price and fees — you will need it for tax and for an honest return overview.
Frequently asked questions
Is DCA better than lump sum?
Statistically lump sum more often produces a higher end return, but DCA lowers the chance you abandon the plan. For most investors that behavioural edge is worth more.
How long should I spread?
Six to twelve months is a common range for a one-off amount.
Should I stop DCA in a bear market?
No — that is when you buy more units per euro. Stopping during declines is the most common way to throw away the benefit.
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