BlackRock's BTC spot ETF (IBIT) options market is performing strongly, with a staggering 73,000 contracts traded in the first hour on Tuesday, with a call-to-put ratio of 4.4:1, QCP Capital noted. The activity puts IBIT among the top 20 most active non-index options, highlighting the growing institutional confidence in Bitcoin as a mainstream asset class. Other BTC spot ETFs, such as Grayscale BTC Trust (GBTC) and Fidelity Wise Bitcoin Origin Fund (FBTC), are expected to list options soon.