Polaris AI up 20.0% today

Closed at ₩5,400 (+20.0%) on Oct 22, 2026. What we found that may explain it: • Filing: 5%+ holding report • Filing: Change of largest shareholder What the trading data shows: • Trading value was 52.8× its 20-day average. • Foreign investors sold a net ₩630M. • Institutions sold a net ₩10,850.