According to data from The Block Pro, the holdings of BTC and ETF options fell across the board in December, with BTC option holdings falling by 15.6% and ETH option holdings falling by 5.5%. However, the trading volume of BTC and ETH options generally increased, with the trading volume of ETH options rising by 17.3% in December to $37.9 billion, setting a new historical high for monthly trading volume; while the trading volume of ETH options rose by 5.9%, increasing to $15.3 billion.