šØ BlackRock warns of volatility as 27B in crypto options expire Friday šØ
BlackRockās weekly market commentary flagged āa potential gamma-hedge unwindā with 27.1 billion in crypto options notional set to expire 27 Dec 2024, the largest quarterly expiry on record. The firm notes that 62% of open interest sits in BTC and ETH calls struck above spot, creating a ātop-heavy gamma wallā that could amplify moves once dealers adjust hedges post-expiry.
šKey points
š¹ Expiry snapshot
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BTC: 16.3B notional, max-pain 66k, 68% of calls above 70k
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ETH: 10.8B notional, max-pain 3.4k, 71% of calls above 3.8k
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09:00 UTC Friday final settlement on Deribit, CME and OKX
š¹ Dealer positioning: Net short gamma above 68k (BTC) and 3.7k (ETH); delta-hedge long ā 47k BTC and 520k ETH that must be sold if strikes expire worthless
š¹ BlackRock model: Scenario-analysis shows a 1.8% intraday swing probability rises to 78% post-expiry vs 42% average; recommends clients reduce delta-one ETF exposure into the event
š¹ Funding spike: Perp funding jumped to 21% annualised ahead of expiryāhighest since Marchāindicating leveraged longs betting on year-end rally
š¹ Spot ETF flow: IBIT and FBTC saw net outflows of 312m combined this week, cutting potential post-expiry buy-back demand
šWhy it matters
š¹ Gamma magnet: With spot BTC at 69.2k and max-pain 66k, a move toward max-pain would force mechanical selling of 25k BTC by market-makers, pressuring prices into year-end
š¹ Liquidity vacuum: Holiday-thinned order books (US markets close early Tuesday) mean smaller delta-hedge flows can trigger outsized moves
š¹ Institutional signal: BlackRockās public caution is rare; discretionary desks may front-run the unwind, compounding volatility
š¹ Vol-carry reset: A sharp drop in IV post-expiry could re-open cheap entry for Q1 2025 calls, setting up the next leverage cycle
šØWatch-outs
š¹ Settlement mismatch: CME cash-settles 16:00 London time, Deribit 08:00 UTCāgap window can create arbitrage chaos if spot gaps >2%
š¹ Funding squeeze: If BTC holds above 70k and calls are exercised, dealers flip to buying 22k BTC to flatten deltas, risking a short-squeeze in thin markets
š¹ Tax-loss flows: Concurrent ETF outflows and US tax-loss selling could amplify either directional move into 30 Dec
š¹ Alt-coin knock-on: Large short-gamma positions in SOL, AVAX and AI-agent perps could cascade liquidations if BTC volatility spikes >4% intraday
šÆBottom line: Fridayās 27B options expiry is the most gamma-heavy crypto settlement on record. BlackRockās warning underscores that whether BTC finishes above 70k or below 66k, the post-expiry delta hedge adjustment is large enough to trigger a 5-8% whip-saw in holiday-thin markets. Traders should brace for volatility and watch the 08:00-16:00 UTC window for the next directional signal.
https://coingape.com/blackrock-hints-at-a-big-sell-off-as-27b-in-crypto-options-expire/