Oscars 2026: Best Actor Winner is a active prediction market event on Polymarket with 42 markets, $12.1M total volume, and $95.7K in liquidity. Key markets: Will Leonardo DiCaprio win Best Actor at the 98th Academy Awards?; Will Timothée Chalamet win Best Actor at the 98th Academy Awards?; Will Daniel Day-Lewis win Best Actor at the 98th Academy Awards?.