BlackRock’s bitcoin ETF just reached a watershed moment: options tied to its iShares Bitcoin Trust (IBIT) on Nasdaq now carry slightly more open interest than bitcoin options on Deribit, the long-established offshore derivatives venue. That parity — about $27.61 billion in IBIT options OI versus $26.90 billion on Deribit, according to Volmex data — underscores how rapidly regulated, onshore institutional markets have matured around bitcoin.
Why this matters
- Deribit has been the dominant venue for crypto options since 2016. IBIT, by contrast, has built comparable options depth in roughly two years, signaling a major shift toward institutionalized, regulated bitcoin trading.
- A deeper U.S. derivatives market makes it easier for Wall Street firms and retail investors operating through brokerages to deploy hedges, yield strategies and directional bets — which should improve price discovery and liquidity for the broader market.
What traders are doing
Options are contracts that give the right to buy (calls) or sell (puts) an asset at a set price by a set date. Open interest (OI) is the dollar value of active contracts and a common gauge of market size and participation. Traders use options to hedge spot and futures exposures, to speculate, and to generate income — one popular strategy being the covered call (holding the ETF while selling calls above the market).
Signals in the flow
- Positioning in onshore IBIT call options implies a near-term upside target equivalent to spot bitcoin trading around $109,709 — roughly 41% above bitcoin’s current price near $77,400. Deribit’s flow is bullish too but a touch more conservative, pointing to about $106,000.
- Volmex notes onshore call OI is concentrated roughly 4 percentage points further out-of-the-money and has a slightly lower average delta than offshore flow. That pattern is consistent with retail-driven upside speculation and systematic call-overwriting programs that favor further OTM strikes.
- Expiry preferences differ: IBIT’s OI tends to cluster around October 2026 expiries on an OI-weighted basis, while Deribit shows more concentration in August expiries — IBIT options are roughly two months longer-dated on average, reflecting longer-horizon ETF holders onshore versus more tactical offshore positioning.
Volatility and hedging quirks
IBIT’s implied volatility (expected price swings over the next month) is currently higher than the implied volatility derived from Deribit. Volmex attributes this to a structural effect: ETF holders, who can’t easily short bitcoin directly, tend to buy puts as their primary downside hedge, boosting demand (and prices) for onshore hedge options.
Industry reaction
Sidrah Fariq, Deribit’s Global Head of Retail Sales and Business, called IBIT’s rise “a net positive” for the crypto derivatives ecosystem. She noted that many U.S. retail investors can’t access offshore venues like Deribit, so IBIT options give regulated access to leverage and options exposure — demand that’s amplified by current macro risks such as supply-chain uncertainty and geopolitical shocks.
Bottom line
IBIT’s options market growth to parity with Deribit is a clear marker of bitcoin’s institutionalization. The two platforms now rival each other in scale but serve different investor bases: IBIT is tailored to regulated, onshore investors trading through brokerages, while Deribit remains a global hub for more direct crypto derivatives activity. Rather than cannibalizing each other, the rise of regulated onshore options appears to be expanding the overall market and likely accelerating sophistication and liquidity across the ecosystem.
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