A Bitcoin forecast worth anything today does not consist of a single number, but of a range, a reason and an action. The Bitcoin price stands at $83,877 at 16:40 UTC on September 25, 2026, the equivalent of 73,605 euros (retrieved from CoinGecko, market data API). The measured volatility of the past 30 days produces a band between roughly $73,600 and $94,200 for the coming month, within which the price will stay with a probability of about two thirds. More important than that band, though, for you as a German investor is the calendar: the third quarter ends on September 30, the Crypto Asset Tax Transparency Act took effect on January 1, 2026, and Germany's transition period under MiCA expired on December 31, 2025. This article adds both sides together: the levels the market sets, and the checks you can carry out today regardless of the price.