Other

Big Brother Season 28 · Winner — Will Rick Devens 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.

15.4%volume-weighted implied probability

YES price range6.5pp dislocation

0%50%100%

Kalshi Polymarket

7-day price history Kalshi Polymarket

Kalshi

16¢

bid 14¢ · ask 17¢

24h vol $30,967

Trade on Kalshi →

Best price

Polymarket

9¢

bid 8¢ · ask 10¢

24h vol $441

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-RIC

Resolves 1/7/2027

Polymarket condition

0x4b4a211a698f338e…

Resolves 10/1/2026

Pro

Order book depth, real-time dislocation alerts, correlated markets, and cross-venue portfolio margin — coming soon.