Entry:Buy long XBTU15(BitMEX weekly BTC/USD futures contract) while OKCoin.com spot is at 239-240 USD with a spot stop limit of 236 USD.Exit:Close XBTU15 long position at 255-260 USD; consider reducing the position by 40%-60% by taking profit at 250 USD.Video Analysis:https://youtu.be/9w-jyEpjAiU