Loss offsetting – how can taxes be reduced after a stock market loss?

A loss on the stock exchange does not have to mean just disappointment and a closed chapter. If calculated correctly, it can become a real instrument for tax reduction in the following years, rather than just an unpleasant memory from investment history. This article explains how losses can be settled flawlessly and without unnecessary costs, and when it is worth acting immediately or when it is better to take the time for a thoughtful planning of the next steps.

A loss is not the end of the game – learn how loss deduction works on the stock exchange and what tax benefits can be derived from it

The moment it is established that the investment year ends with a loss can be difficult, especially when everything previously looked promising. In such a situation, one often focuses on the result itself, but it is worth taking a broader view and including taxes in the consideration. Contrary to common beliefs, income tax is not a closed subject in case of a loss. Although no tax is paid on the stock market loss, this does not mean that the tax office „forgets“ this loss. The loss becomes part of one’s tax history, which – if correctly reported – can have a real impact on future settlements. And this is exactly where meaningful, long-term thinking begins.

It is important to understand that loss deduction does not work automatically. It is not a mechanism that is simply activated just because the balance on the broker account is negative. Settling losses requires deliberate action, correct data recording, and continuity in the following years. Only then does loss deduction begin to reduce the actual tax that is payable on future profits. For many investors, this is the moment when the approach changes – from a short-term „result for today“ to a tax strategy that is designed for several years. And even if it sounds serious, in practice, it is about one thing: Preventing a loss from being incorrectly settled.

Loss settlement without stress – when a one-time loss settlement is possible and when it is better to wait

After a weaker year, the question naturally arises whether it is possible to deal with the matter at a stroke and put it out of mind. A one-time loss settlement sounds like an ideal solution, but tax reality is often more complex. The regulations specify certain limits and rules that determine how much loss can be used in one year and how much must be „carried forward“ to the coming years. This is important because loss settlement is not an emotional decision, but a calculation. A quick settlement does not necessarily lead to the best financial results.

A simple tax return in 12 minutes?

Choose Taxando!

In practice, it is often better to spread the loss over time, especially if no significant investment income is currently being achieved. In the case of a loss, income tax is not reduced if there is no real profit from which something can be deducted. In such a situation, patience works to your advantage. Consciously deferring part of the loss into the future allows it to be used when it actually reduces the payable tax. Loss settlement is a tool and not an obligation that must be „checked off“ in one year. And it is precisely this flexibility that makes a well-planned settlement far more advantageous than hasty decisions made to close the matter faster.

How is a loss settled step by step?

  • Collect documents from the brokerage office – especially PIT-8C (and any transaction confirmations in case something does not match).
  • Calculate the result – ensure clarity about which part is profit and which is loss and from which source (stock exchange/capital assets).
  • Enter data into the correct form – mostly PIT-38 (for stock transactions).
  • Report the loss in the settlement – so that it does not „disappear“ and can work in the following years (this is the basis for further deductions).
  • Plan the use of the loss – decide whether it is worthwhile to fully utilize the limit this year or better to leave part of it for the coming years.
  • Check consistency with previous years – if the loss has already been deducted before, ensure that amounts and continuity of settlements match.
  • Submit the declaration and keep confirmation – preferably UPO (official receipt confirmation).
  • Keep documents in case of an audit – PIT-8C, PIT-38, confirmations, and calculation notes (at least several years).

Report loss in the tax return step by step – learn where investors most often lose a second time

One of the most common mistakes is not the loss itself, but the way it is reported. Booking a tax loss requires precision and small oversights can nullify the possibility of future use. Sometimes a form is missing, sometimes an incorrect amount is carried forward to the next year. The tax office does not infer your intentions – only the data visible in the returns counts. If the loss is not reported correctly, the loss deduction simply does not work, even if you were formally entitled to do so.

It is also important to note that loss settlement is a continuous process and not a one-time action. Every subsequent year in which the loss is used must align with the previous one. Inconsistency in the documents is one of the reasons why investors lose the ability to continue deducting. What’s worse, they often only notice it when a profit is made, and tax is due. In such a situation, the loss can no longer be used to reduce the tax as it is formally „lost“ from the system. Therefore, accuracy, control, and a calm handling of the documents are often more important than the amount of the loss itself.

Do you have a negative balance on your brokerage account? Learn how loss settlement can lower the tax on future profits

A negative balance on the brokerage account is not only a financial result but also a tax information that can be used to your advantage. If profits are made in the following years, loss settlement enables a tax reduction that would normally be payable in full. This works particularly well when investments return to more stable paths. The loss deduction then becomes a real support and not just an entry in the return. For many people, this is the moment when a former failure also makes financial sense.

In the long term, it is worth it. A loss does not lead to a tax liability but can be used to reduce taxes in the following years. When profits are made, the tax on the financial loss actually reduces the burden instead of imposing a double burden. This is a mechanism that rewards consistency and patience. It requires no aggressive actions or risky decisions – just correct accounting and adherence to the rules. And that is, contrary to appearances, one of the most rewarding aspects of the entire investment strategy.

In the end, it is worthwhile to take a broader view and see the loss as part of a larger tax picture, not as a one-time problem that needs to be „checked off“. A conscious approach to settlements – both investment and international – helps to avoid chaos and has a real influence on the level of payable taxes. Whether it is about the stock exchange, other sources of income or tax settlement from Germany, consistency, accuracy of documents, and long-term thinking are crucial. These determine whether the tax remains just an obligation or also an area where one’s finances can be legally and sensibly optimized.

Article by

Maciej Szewczyk

Maciej Szewczyk is an IT consultant, innovation manager, and sworn German translator specializing in Polish and German tax law.

He gained experience as a consultant on IT projects for many international companies. In 2017, he founded the startup taxando GmbH, where he developed the innovative tax app Taxando, which simplifies the filing of annual tax returns.

Maciej Szewczyk combines technological expertise with in-depth knowledge of tax regulations, making him an expert in his field. In his private life, he is a happy husband and father and lives with his family in Berlin.

More about the author

Quick and easy with Taxando – download the app

Other entries