According to BlockBeats, on October 15, Greeks.live researcher Adam posted on social media that after yesterday's continuous rise, a large number of large transactions appeared in the crypto options market, with transactions exceeding US$1.2 billion in the past 24 hours. Among them, Bitcoin put options had the most transactions, reaching US$530 million. The largest transaction had a nominal value of US$66 million.

Overall, the sellers of options have been stronger recently, and the price in the bearish direction is very good. The cost of buying a put option is low, but the low option cost also means that most people in the market are not optimistic about this direction.