Useful and saves money Binance's own GitHub Real-time liquidity tracking tool for Binance/OKX/Coinbase/Bybit 1/ Real-time tracking of bid-ask spreads and order book depth 2/ Simulates the friction cost for users when trading a certain amount at market price 3/ For a large number of altcoins, Binance almost always has the best liquidity and the smallest slippage 4/ Observed BTC and ETH, Binance and OKX alternate in having the best liquidity https://binance.(github.io)/crypto-trade-analyzer/