In the Bitcoin options block market in the past 24 hours, the proportion of put option trading has significantly increased to 28%, with a value of over $1.15B, mainly concentrated in slightly out-of-the-money contracts expiring this week and this month. The most active trading area is between 10.4K–10.8K. At the same time, the negative Skew has further deepened, and short-term volatility is particularly obvious, with panic sentiment approaching the level after the market crash on the 11th. [Greeks.live]