BlackRock's Bitcoin ETF Achieves Major Milestone, Signaling Widespread Adoption of Cryptocurrency

A notable development occurred on Friday, highlighting the rapid growth of institutional involvement in the bitcoin market, which has been driven by individual investors for years. This is evident in the fact that options linked to BlackRock's bitcoin exchange-traded fund (ETF), IBIT, have become more prominent on Nasdaq than total bitcoin options trading on the offshore platform Deribit. It is particularly striking that IBIT options have closed the gap with Deribit's bitcoin options market in just two years, despite Deribit's head start since 2016. On Friday, the open interest (OI) in IBIT options contracts on Nasdaq reached $27.61 billion, surpassing the $26.90 billion in Deribit's bitcoin options, according to data from Volmex. This milestone indicates that the US is no longer secondary to the offshore market in terms of regulated, institutional-grade bitcoin investment and derivatives infrastructure. The growth of a booming, regulated market in the US could encourage more Wall Street institutions to explore digital assets, ultimately leading to more mature price discovery. Deribit's Global Head of Retail Sales and Business, Sidrah Fariq, views IBIT's rise as a positive development for the broader crypto derivatives ecosystem. "US retail investors can access regulated leverage and options exposure through iShares Bitcoin Trust (IBIT) options, which is further supported by the current macro environment of supply chain uncertainty, energy shocks, and geopolitical risks, driving demand for hedging and options strategies," Fariq told CoinDesk. Options are derivative contracts that grant the purchaser the right to buy or sell the underlying asset at a predetermined price at a later date. Analysts use open interest as a measure of market size and participation, with higher open interest indicating a deeper and more liquid market. Traders use options to hedge existing positions, speculate on price direction, and generate additional income on coin or ETF holdings. One popular income-generating strategy involving IBIT ETF and IBIT options is the covered call strategy, which allows investors to profit from BTC's implied volatility by simultaneously holding the ETF and shorting IBIT calls at levels well above the ETF's current market price. Although the two markets now match each other in scale, they are positioned differently, revealing distinct trader sentiment. According to Volmex, the bulk of open interest in IBIT call options is concentrated at strike levels equivalent to bitcoin trading around $109,709, or roughly 41% above the current price of $77,400. In contrast, positioning in Deribit options is more conservative, with call open interest clustered around levels equivalent to roughly $106,000 in BTC terms. "Onshore call OI is concentrated roughly 4 percentage points further out-of-the-money than offshore, and the onshore average delta is slightly lower. This is consistent with onshore flow being dominated by retail upside speculation and systematic call overwriting programs, both of which concentrate OI in further-OTM strikes," Volmex noted. Put positioning is largely aligned across venues, with open interest concentrated around the $63,500 strike. ETF holders tend to have a longer investment horizon, with October 2026 expiries preferred in IBIT, while August expiries dominate on Deribit. Lastly, IBIT's implied volatility is higher than the implied volatility derived from Deribit's BTC options, which Volmex attributes to a structural quirk: Because ETF holders cannot easily short bitcoin directly, they buy put options as their only available hedge, keeping IBIT's implied volatility slightly elevated. Overall, IBIT's rapid rise in the options market is striking and now appears to rival Deribit in scale. However, the two are not direct substitutes, as IBIT options primarily cater to regulated, onshore investors accessing bitcoin exposure through traditional brokerage channels, while Deribit remains the go-to platform for global investors. "I don’t see this as competition. If anything, it expands the market. As more participants get comfortable trading options via IBIT, it ultimately feeds into the broader ecosystem, and venues like Deribit benefit from increased sophistication and flow," Fariq said.