Other

Big Brother Season 28 · Winner — Will Kamu Kirk win Big Brother Season 28?

Heads up: Kalshi and Polymarket resolve this market 98 days apart — the price difference may reflect different time horizons rather than a genuine arbitrage opportunity.

10.5%volume-weighted implied probability

YES price range3.2pp dislocation

0%50%100%

Kalshi Polymarket

7-day price history Kalshi Polymarket

Kalshi

11¢

bid 10¢ · ask 11¢

24h vol $22,837

Trade on Kalshi →

Best price

Polymarket

7¢

bid 7¢ · ask 8¢

24h vol $236

Trade on Polymarket →

Mapping notes

Event pair: 'Big Brother Season 28 Winner' ↔ 'Big Brother Season 28 · Winner' (score 1.00, outcome match 1.00).

Kalshi ticker

KXBIGBROTHER-26DEC31-KAM

Resolves 1/7/2027

Polymarket condition

0x8c4ca82fb996ed33…

Resolves 10/1/2026

Pro

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