BTC funding arbitrage: extended_starknet vs kalshi

Long BTC-USD on extended_starknet against short KXBTCPERP on kalshi.

SideExchangeSymbolFundingFunding APR24h volumeOpen interest
Longextended_starknetBTC-USD0.0013% / 1h+11.39%$94.01M$46.96M
ShortkalshiKXBTCPERP0.0234% / 8h+25.63%$332.30M$11.62M

Funding spread +14.24% APR. Price spread +0.0747%.

Data generated at 2026-09-01T05:32:27Z. Live numbers load on this page automatically.