Binance BTC/USDT futures (Bitcoin-Tether derivatives pair) briefly traded $669.41 below the spot Bitcoin price on April 23, according to the provided market data. The divergence occurred within the past hour as spot Bitcoin fell to $77,174.01 while futures touched $76,504.60. Prices later converged near $77,365. The analysis cited liquidations (forced position closures), thin liquidity (limited available orders), and arbitrage (price-gap trading) as factors behind the temporary dislocation.