See what your trades really mean after tax
Track your portfolio, calculate gains with GAK, and understand the tax impact before you sell.
All accounts in one view
Connect accounts from multiple brokers and see your total portfolio in a single, unified overview.
Rebalancing guidance
Set target allocations and get precise buy/sell instructions to bring your portfolio back on track.
Built for Danish investors
Track realised gains, mark-to-market assets, and tax lots — all calculated according to Danish rules.
Portfolio Manager
A web application designed specifically for Danish private investors. Import transactions from Saxo Bank and Nordnet, organise your holdings into portfolios and perspectives, and always know exactly where you stand — tax and all.
Learn how it works in practice
Our articles explain concepts like GAK, rebalancing, and tax impact in plain language — with interactive simulations you can explore yourself.
The chart shows how rebalancing frequency affects your median outcome after tax. Try dragging the tax-rate slider to see how Danish taxation shifts the optimal strategy.
Read all articles →Latest articles
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Volatility harvesting
How rebalancing extracts return from risk itself
How periodically rebalancing between two uncorrelated assets generates a return premium — even when both assets have identical expected returns.
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What is GAK? A comprehensive guide to average cost basis in Danish taxation
How GAK works, when it applies, and the pitfalls investors need to know
An in-depth explanation of gennemsnitlig anskaffelseskurs (GAK) — the average cost basis method used in Danish taxation — how it is calculated, when it applies, and common mistakes.
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Interactive simulation components
What they do, how they work, and what they can't do
A technical walkthrough of the five interactive finance components on this site — compound interest, rebalancing visualiser, Monte Carlo simulator, optimal rebalance frequency, and volatility harvesting simulator — covering settings, calculation models, and limitations.
Documentation
New to Portfolio Manager? The documentation covers everything from sign-up to advanced rebalancing workflows.