When Coinbase 上线新的永续合约交易对，it will likely increase the trading volume and liquidity of the cryptocurrencies in that pair. This increased trading activity can attract more investors, both retail and institutional, driving up the trading price. The new trading pair may also provide new hedging and speculation opportunities, which can further stimulate market participation. However, if the market sentiment turns negative, the increased trading volume may also lead to more significant price drops.