Ouyi OKX has launched the contract version of the martingale strategy, which supports two-way trading. Users can realize bottom-hunting or catch callbacks to make profits by doing long and short. In addition, the contract martingale strategy can customize the leverage and make profits in a loop. Currently, the contract version of the martingale strategy is only applicable to USDT and USDC-based perpetual contracts. Users can use the four strategy types of grid strategy, average cost, combination arbitrage, and large order splitting through Ouyi Strategy Square. Currently, spot grid, contract grid, fixed investment, Tunbibao, spot martingale, and contract are available. Version martingale, arbitrage orders and other trading strategies.