**Trader sentiment for Whalefall's opening weekend heavily favors a sub-$8 million domestic debut at 75.5% implied probability, driven primarily by intense competition from Paramount's Street Fighter, which is tracking for a $25–35 million launch in the same frame.** Mid-October box office softness, limited star power relative to genre peers like Brad Pitt's recent survival thriller, and modest presales have pulled expectations toward the lower end of earlier $10–15 million forecasts. The film, a Brian Duffield-directed adaptation starring Austin Abrams as a diver trapped inside a whale, has earned generally favorable reviews (roughly 77–79% on Rotten Tomatoes) that praise its claustrophobic visuals and lead performance while noting the premise's inherent implausibility. With the wide release set for October 16 alongside Sense and Sensibility, final three-day figures will resolve the market and test whether critical reception can offset the crowded slate.