€42.20 BIO.DE (Biotest AG XETRA) pre-market: Oversold bounce may reach €44.50

BIO.DE stock trades at €42.20 pre-market on 22 Jan 2026, following a small pullback from the year high. The move leaves Biotest AG (BIO.DE) on XETRA in a classic oversold bounce setup with light volume (175.00 shares traded) and price clustered near the 50-day average. We see a low-risk trade window if buyers push above €43.00, with immediate resistance at €43.20 and support at €40.40.