Will Barrett Pfeiffer win Big Brother Season 28

30-day trend

Analysis

This contract reflects a 7% probability that Barrett Pfeiffer will win Big Brother Season 28, based on aggregated trading data from prediction markets. At this odds level, Pfeiffer is positioned as a mid-tier contender rather than a frontrunner or long shot. The probability likely reflects his performance in early game phases, social positioning, and competition strength relative to other houseguests. Key factors driving this valuation include his demonstrated physical or strategic gameplay, jury management approach, and how he compares to higher-probability contestants like Ashley Trail (7%) and Lyric Medeiros (8%). Movement in this probability would depend on his survival in upcoming evictions, relationship dynamics with other houseguests, and shifts in fan or betting sentiment as the season progresses. The resolution of this market will depend on the finale timing and final houseguest standing.

• ›Pfeiffer's competition performance and win-loss record in physical and mental challenges will directly impact eviction survival odds
• ›His current position in house alliances and social relationships determine whether he remains a voting target or gains jury respect
• ›Trading volume of $335 in 24 hours for his contract suggests moderate but not overwhelming market interest compared to top contenders
• ›The 1-2 cent spread between his price (9¢) and similar contenders (Patel at 6¢, Brown at 6¢) indicates marginal differentiation in expected probability
• ›Upcoming eviction episodes and jury composition changes will create focal points where market probability adjusts based on new information

What moved the line

• Jul 10Rick Devens↓8pp14→6¢ · Kalshi
• Jul 8Rome Seymour↓8pp14→6¢ · Kalshi
• Jul 8Barrett Pfeiffer↑5pp8→13¢ · Kalshi
• Jul 8Melody Morris↑4pp3→7¢ · Kalshi
• Jul 9Ashley Trail↓4pp10→6¢ · Kalshi

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These markets stopped trading. Last odds and any captured outcome are shown above — full settlement detail lives at the venue.

How we compute these odds