According to OKEx quarterly contract data, the closing price of the Bitcoin quarterly contract fell below the 60-day cost line yesterday, closing at $9369.95. OKEx analyst Charles believes that the 60-day cost line is the mid-term strength and weakness boundary. After the break, it means that the medium-term trend has a huge risk of weakening. Moreover, from the current situation, when the price of the currency breaks through the 60-day cost line, the transaction volume is significantly enlarged, indicating that the active selling power in the market is strong, and the continued adjustment in the later period is still a high probability event. Do not blindly rush to the bottom. Bitcoin quarter contract day resistance is $9,700 and support is $9,000.