According to Deep Tide TechFlow, on November 20, Bloomberg senior ETF analyst James Seyffart released data on social media indicating that the total trading volume of the options for BlackRock's iShares Bitcoin Spot ETF (IBIT) on its first day approached $1.90 billion, with a total of 354 thousand contracts traded. Among these, the number of call option contracts was 289 thousand, and the number of put option contracts was 65 thousand, resulting in a call-to-put ratio of 4.4:1. Analysts pointed out that these options trading activities could be one of the important factors driving Bitcoin prices to reach new historical highs.