Forced Sale on a Crypto Exchange: Which Moment Counts for the Holding Period and What You Must Document

Anyone holding a balance on a trading platform these weeks knows the notices: a deadline is set, after which the provider realises the remaining holding itself. Our deadline overview of August 16, 2026 counts seven such cut-off dates at seven providers before August 31 alone. Luno is closing its EU accounts on September 1, with sales and euro payouts possible only until August 31, 2026, as we reported on August 9. At Valour a compulsory redemption of a crypto ETP traded on Xetra is under way, and the last date for the redemption notice is September 1, 2026, reported in our piece of August 18. Kraken has announced a liquidation window for delisted tokens in September; our report on that dates from August 14, 2026. All these texts answer the same question: by when you have to act. None of them answers in full the question that follows, and it is the more expensive one. What happens for tax purposes if you miss the deadline and the platform sells, converts or settles your holding itself? The short answer already appears as a subordinate clause in many of our reports. The longer answer sits in two documents, both public, which together explain which day counts, which rate has to be app...