A violent reversal in Rome's coaching race overshadowed a broader day of drift, as traders also chased Iran's ceasefire higher, cooled on Claude's current model, and bid up a Chinese chip IPO.
Andrea Pirlo's bid to coach Italy imploded overnight, his odds falling 78 points in 24 hours to 21%, as Roberto Mancini surged 35 points to a field-leading 35% — the sharpest single-day reversal of the week. Traders were busy elsewhere too: the US-Iran ceasefire climbed to 58%, up 19 points on the day and 43 over the week, while the broader Israel-Iran truce holding through August 15 gained 24 points over seven days to 66%, and fears of an Iran strike on a Gulf state cratered to 8%. In tech, sentiment on Claude's current model cooled sharply — bettors put 98% odds (+80 points) on a rival topping the charts by August 1 — even as they priced 97% odds (+69 points) that the next Opus debuts above 1500 on Arena. CXMT's IPO market-cap odds above 3 trillion yuan jumped 55 points to 89%, and Real Madrid's odds of landing Yan Diomande hit 98%, up 23 on the day.
The Iran de-escalation story kept advancing: markets price a US-Iran ceasefire by July 31 at 58%, up 19 points on the day and 43 over the week, with the truce extending to August 31 at 66% (+19 over seven days). The Israel-Iran ceasefire holding through August 15 gained 24 points weekly to 66%, and through July 31 sits at 88%. Fears of Iranian action against a Gulf state collapsed to 8%, down 42 points weekly, while odds of a full Iranian airspace closure by July 31 fell to 6%.
Malaysia's Negeri Sembilan race flipped hard: Barisan Nasional jumped 10 points to 64% while Pakatan Harapan fell 14 points to 34%. The Fed's July decision, resolving within two days, holds at 80% odds of no change, while traders trimmed September's no-change odds to 44% (-15 over the week) in favor of a hike (50%, +13). In Berlin, the AfD climbed 10 points over the week to 23% as Linke eased to 33%. Brazil's Flávio Bolsonaro remains favored for second place at 76%, down 4 points weekly.
CXMT's odds of an IPO closing above a 3 trillion yuan market cap surged 55 points in a day to 89%, with the 3.5 trillion threshold also up 12 points to 34%. Nvidia extended its lead as markets' pick for world's largest company at end of July, rising 24 points over the week to 77% as Apple slid to 23%. Fed rate-hike odds ticked down on the day but remain elevated on the week — a 2026 hike now sits at 66%, up 13 points over seven days.
Confidence in the reigning Claude Opus model eroded fast: traders give 98% odds (+80 points on the day) that another model claims the top spot by August 1, and 94% (+71 points) by August 10. Yet the same crowd is bullish on what comes next — the next Claude Opus debuting at an Arena score of 1500 or higher is priced at 97%, up 69 points on the day and 48 on the week. Anthropic still holds 88% odds of fielding the best model by end of August.
Italy's coaching search reversed course violently: Andrea Pirlo's odds fell 78 points in a day to 21%, while Roberto Mancini rocketed 35 points to a field-leading 35% and Antonio Conte reappeared at 17% (+17). Real Madrid's odds of signing Yan Diomande reached 98%, up 23 points on the day and 94 over the week. In Formula 1, Kimi Antonelli's title odds edged up to 75% (+6), and Mercedes strengthened its constructors' lead to 85% (+4) as Ferrari slipped to 11%.
With its release window essentially closed, MrBeast's latest video settled into a sub-40-million-view outcome at 84% odds (+21 on the day) — more calendar than surprise. 'The Odyssey' likewise converged toward its 86-92 million second-weekend box-office band at 96%, up 12 points as the reporting deadline arrived. Netflix's top-film race stayed lopsided, with 'A Toxic Love Story' favored at 92%, up 7 on the day.
In a week when Claude's own bettors hedge against Claude's current model, the house seems to know something the house hasn't announced yet.
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