The Odyssey Jumps 13 Points to 62% for Best Original Score
Win probability moved from 49% to 62% in three days. Five films are now clustered within 9 points for four remaining nomination slots.
Bottom line
Traders have repositioned The Odyssey as the probable winner, not just a nominee, pushing its win odds to 62% before a single precursor result is in.
- Market average
- 47% YES
- Best listed price
- 43¢ · Polymarket
Trade YES at 43¢
The Odyssey Is a 96% Lock for a Best Original Score Nomination, But Four Spots Are Already a War
The Odyssey sits at 96% nomination probability and 62% win probability for Best Original Score at the 99th Academy Awards, making it the clear frontrunner on Kalshi's prediction market as of September 12, 2026. The film, which recently passed $1.6 billion at the global box office, has near-unanimous market support for a nomination; the real question is whether anything can beat it.
The five-nominee structure means four remaining slots are open. Those slots are being contested by a tightly packed group: The Black Ball at 69%, Dune: Part Three at 62%, Project Hail Mary at 61%, Behemoth! at 60%, and Disclosure Day at 60%, according to Kalshi pricing tracked by PredictMarketCap.
That clustering matters. When five films sit within a 9-point band (60% to 69%) for four spots, the margin between nomination and exclusion is razor-thin. No precursor awards have been announced. No critics' circles have voted. The Music Branch of the Academy has not begun its shortlisting process. Every percentage point in this range is built on expectation, not evidence.
The Odyssey's Win Odds Just Jumped 13 Points: Here's What the Market Is Pricing In
The Odyssey's win probability for Best Original Score moved from 49% to 62% over three days, a 13-percentage-point swing that represents the market's sharpest repricing of any outcome in this category this year. Its period low was 48%, meaning the full trough-to-present trajectory covers 14 percentage points of upside.
The distinction between nomination probability (96%) and win probability (62%) is critical. The nomination market said months ago that The Odyssey would be on the ballot. The win market is now saying something stronger: traders believe The Odyssey is the likely trophy winner, with a probability that implies roughly three-in-five outcomes end with this film on stage on March 14, 2027.
Cross-platform pricing supports the directional move. Kalshi prices The Odyssey's win at 60%, while Polymarket sits at 64%. That 4-point spread reads as consensus rather than disagreement. The film also features the song "When I'm Home," performed by Travis Scott, which could position it for an additional nomination and raise the film's overall awards profile.
No confirmed catalyst explains the timing of this move. No new reviews, no festival screenings, no composer interviews surfaced in the 72-hour window. The most plausible read: traders are front-running the precursor season, positioning early before the Toronto and Telluride festival cycles generate fresh information that could tighten or widen the gap.
Prediction-market view
Live prices, venue by venue
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The Odyssey
Consensus YES price across 2 venues
Tie
Consensus YES price across 1 venues
Dune: Part Three
Consensus YES price across 2 venues
The Black Ball
Consensus YES price across 2 venues
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Project Hail Mary Is Rising in Oscar Score Predictions, and It's Not Just Sci-Fi Hype
Project Hail Mary's trajectory is the most unusual data point in this category. The film surged from 10% to 26% win probability in three days earlier this month with no confirmed catalyst: no reviews, no precursor nominations, no composer announcement. That kind of speculative repositioning, 18 months before the ceremony, signals that trader positioning rather than news is already reshaping the nomination race.
Project Hail Mary now sits at 61% for nomination probability, firmly inside the cluster fighting for those four remaining slots. The sci-fi genre has a strong record in this category. Ludwig Göransson won for Oppenheimer. Hans Zimmer won for Dune. John Williams earned nominations for multiple sci-fi entries. The Academy's Music Branch has consistently rewarded ambitious orchestral work in science fiction settings, which gives Project Hail Mary a genre tailwind that comedies and dramas rarely enjoy.
But genre momentum cuts both ways. With Dune: Part Three (62%) and Behemoth! (60%) also competing as sci-fi or spectacle-driven entries, Music Branch voters may consolidate around one or two favorites rather than nominating all three. A vote-splitting scenario could push one of these films below the nomination threshold, even at current implied probabilities above 60%.
The Case Against The Odyssey: What 38% of Outcomes Look Like
A 62% win probability leaves meaningful room for an upset. Historically, Best Original Score has been one of the Oscars' most volatile categories. The precursor circuit (Critics Choice, BAFTA, Golden Globes) frequently disagrees on the winner, and the Music Branch's internal dynamics can produce results that diverge from broader industry consensus.
The strongest case against The Odyssey centers on voter fatigue. If the film dominates multiple categories (Picture, Director, Visual Effects), Music Branch voters may choose to spread recognition. This pattern appeared in 2020, when 1917 swept technical categories but lost Original Score to Joker. Films that win everything sometimes lose the specialist categories where branch voters exercise independent judgment.
The Black Ball at 69% nomination probability also presents a credible alternative. If its composer delivers a score that becomes a critics' darling during the fall festival circuit, the nomination-to-win conversion could happen quickly. The Odyssey's 62% win price assumes no major competitor emerges from the precursor gauntlet with genuine momentum, an assumption that gets tested starting in December.
What Comes Next for Best Original Score Betting
The March 14, 2027 ceremony is still six months away, and the category's pricing will be reshaped by three key dates: the Academy's music shortlist announcement (typically December), nomination voting in January, and final voting in late February. Each of these checkpoints has historically produced 10-to-20-point swings in this category's prediction markets.
For now, The Odyssey's 62% win probability on Kalshi and 64% on Polymarket reflects a market that sees one clear frontrunner but acknowledges the race is not over. The full Best Original Score odds page tracks all 13 outcomes in real time as the precursor season unfolds. The next information event that could move these prices is the fall festival circuit, where early audience reactions to competitors' scores will either validate or challenge the current hierarchy.
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The story so far: Oscar Winner: Best Music (Original Score)
6 updates · Aug 14 – Sep 21
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