The 2027 Best Documentary Feature race remains wide open this early in the cycle, with trader sentiment reflecting a crowded field of festival standouts rather than any single frontrunner. Films like Once Upon a Time in Harlem, One in a Million, American Doctor, and Musk have generated early buzz through strong Sundance and Telluride showings, distinctive storytelling—spanning refugee journeys, historical portraits, and high-profile subjects—and strategic distribution from Neon, PBS, and Bleecker Street. Key differentiators include critical consensus on depth and timeliness, guild and precursor momentum once shortlists emerge in December, and historical Academy preferences for personal, issue-driven narratives over star-driven ones. With eligibility closing at year-end and nominations voting in January, upcoming premieres and review aggregates will likely sharpen the market before the March ceremony.