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Bitcoin all time high by December 31, 2026?

KalshiPolymarket ✓ Verified same-resolution Closes Jan 1, 2027
MarketMaster fair value92¢ vs live 90¢ on Kalshi
▲ +2.2% edge · Buy NO
Trade on Kalshi ↗
LIVE PRICES — YES
KalshiTrade ↗
10¢ last
BidAsk
YES10¢11¢
NO89¢90¢
$510,475 volume
PolymarketBEST YES PRICETrade ↗
last
BidAsk
YES
NO94¢94¢
$1,391,396 volume
Cross-venue spread 4.4¢· active arbitrage window
CROSS-VENUE ARBITRAGE

Buy YES on Polymarket and NO on Kalshi — total cost 96¢ per $1 payout, locking +4.1¢ per contract before fees.

30-DAY PRICE HISTORY
HOW THIS RESOLVES

Kalshi — primary rule

If the Bitcoin spot price according to the CF Bitcoin Real-Time Index is above $109999.99 starting 01/02/2026 06:00 PM and before Dec 31, 2026 at 11:59 PM ET, then the market resolves to Yes.

Polymarket — resolution criteria

This market will resolve to "Yes" if any Binance 1 minute candle for BTC/USDT between 16 December '25 10:30 and 11:59PM ET on the date specified in the title has a final “High” price that is higher than any previous Binance 1 minute candle's "High" price on any prior date. Otherwise, this market will resolve to "No". The resolution source for this market is Binance, specifically the BTC/USDT "High" prices currently available at https://www.binance.com/en/trade/BTC_USDT with “1m” and “Candles” selected on the top bar. Please note that this market is about the price according to Binance BTC/USDT, not according to other sources or spot markets.

Show full rules
STATS
Cross-venue spread4.4¢
Kalshi last10¢
Polymarket last
Model fair value
Model confidence36%
Venues2
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