BTC

PERPETUALS · UP OR DOWN

BTC40X
$65,056
$149 (+0.2%) Today
$64,857$64,914$64,971$65,027$65,084$65,141$65,056

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

0.0011% · 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

$1.31T

Market cap rank

#1

All-time high (Oct 6, 2025)

$126,080 -48.40%

All-time low (Jul 5, 2013)

$67.81 +95840.93%

Circulating supply

20.07M

Max supply

21.00M

24H volume

$14.52B

FDV

$1.31T

1H Change

+0.11%

24H Change

+0.17%

7D Change

+3.16%

14D Change

+1.43%

30D Change

+3.32%

1Y Change

-44.14%

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.