BAFTA Film Awards: Best Original Screenplay Winner is a closed prediction market event on Polymarket with 22 markets, $62.9K total volume, and N/A in liquidity. Key markets: Will "A House of Dynamite" win Best Original Screenplay at the 2026 BAFTA Awards?; Will "Is This Thing On?" win Best Original Screenplay at the 2026 BAFTA Awards?; Will "Marty Supreme" win Best Original Screenplay at the 2026 BAFTA Awards?.