In the orderbook depth difference chart, we select the trading pair with the best liquidity for the same currency on different exchanges to calculate the liquidity of that currency. Spot exchanges include Binance, OKX, Bybit, Bitfinex, Coinbase. Derivatives exchanges include Binance, OKX, Bybit, Bitfinex. The order book depth aggregation statistical chart obtains the order book snapshot data of the above-mentioned exchanges at regular intervals, and calculates the depth of the 1% price range of each currency each time. Through this chart, you can visually view the difference chart data that aggregates the order book depth data of each exchange.