BTC

PERPETUALS · UP OR DOWN

BTC40X
$84,181
▼ $687 (-0.8%) Today
$83,608$83,868$84,128$84,389$84,649$84,909$84,181

Insights

Max leverage

40x

Minimum trading unit

$1.10 minimum · 1/10,000th of BTC

Trading hours

24/7, except Thursdays 3–5am ET

Index

CME CF Bitcoin Real Time Index

Funding rate / Countdown

0.0013% · 02:36:37

Venue

KalshiEX LLC

Bitcoin is the first decentralized cryptocurrency, launched in 2009 by the pseudonymous Satoshi Nakamoto. It lets people send value peer-to-peer without banks or intermediaries, secured by a proof-of-work blockchain and the SHA-256 algorithm.

Market cap

$1.72T

Market cap rank

#1

All-time high (Oct 6, 2025)

$126,080 -32.18%

All-time low (Jul 5, 2013)

$67.81 +125992.08%

Circulating supply

20.09M

Max supply

21.00M

24H volume

$40.94B

FDV

$1.72T

1H Change

-0.39%

24H Change

-0.53%

7D Change

+12.22%

14D Change

+7.77%

30D Change

+9.14%

1Y Change

-24.35%

Analysts weigh Bitcoin's next move as volatility ticks higher

1 hour ago

Bitcoin holds key level as traders digest macro data

1 hour ago

Spot ETF flows shift after a multi-day streak

2 hours ago

Bitcoin liquidity deepens across major venues

2 hours ago

What the funding rate says about Bitcoin positioning

3 hours ago

Perpetual futures involve substantial risk of loss and are not suitable for all customers; you may lose all funds you commit, including fees. This is an unaffiliated frontend demo built for educational purposes and is not the real Kalshi exchange — no markets, funds, or orders are real.