IDIA.SW Idorsia Ltd (SIX) +11.11% pre-market 10 Feb 2026: heavy volume may continue

IDIA.SW stock opened pre-market at CHF4.00, climbing 11.11% on high activity as traders reacted to intraday momentum. Volume is elevated at 2,136,772.00 shares versus an average of 1,421,529.00, marking Idorsia Ltd (SIX) among the most active names in Switzerland this session. We review why this move matters, how fundamentals line up, and what traders should watch before the market close.