TLDR
On 26 Dec (UTC), about 263,000 Bitcoin (BTC) and 1.25 million Ethereum (ETH) options expired on Deribit, per a record-scale event reported by media and analytics sources (contracts count).
- Approximate notional size: BTC $23.6 billion and ETH $3.8 billion (summary).
- The expiry represented over 50% of Deribits total open interest, making it the largest on record (background).
- Max pain levels clustered near BTC $95,000 and ETH $3,000, influencing hedging into expiry (positioning).
Deep Dive
1. Scale Of The Expiry
This year-end Boxing Day expiry was unusually large in both contracts and notional value. Around 263,000 BTC contracts and 1.25 million ETH contracts rolled off, totaling roughly $27 billion in combined notional (contracts count). Other outlets put the range at $27$28.5 billion, reflecting pre-expiry mark-to-market drift and rounding across venues (additional context).
The sheer size matters more than the precise number. Large expiries can reset positioning and reduce hedging pressure, often leading to cleaner directional moves after settlement.
2. Positioning And Max Pain
Options skew and strike concentration suggested a mild bullish tilt into expiry. Reports flagged a put-call ratio near 0.38 for BTC (calls outnumber puts) and roughly 0.430.45 for ETH, consistent with call-heavy exposure at higher strikes (market positioning; ETH detail). Max paina level where option buyers lose moreclustered near BTC $95,000 and ETH $3,000 (levels).
- BTC call interest concentrated around $100,000$116,000 strikes, while notable puts sat $80,000$90,000 (positioning report above).
- ETH showed caution (higher put ratios than BTC) but remained broadly skewed toward calls near $3,000$3,100 (ETH skew detail above).
If max pain acts as a gravity point, hedging can dampen moves into expiry. After settlement, the absence of that pressure can allow price to express underlying demand more cleanly.
3. Flow Reset And Volatility
Holiday-thinned liquidity and the record expiry heightened the potential for post-expiry volatility. Several outlets noted that pre-expiry ranges were choppy, while post-expiry flows (rolls into January, hedges unwound/rebuilt) would likely matter more than the immediate print (volatility pattern).
- Expiry covered both monthly and quarterly contracts, amplifying the structural reset effect (notional breakdown above).
- With more than half of Deribits open interest expiring, the options stack effectively rebooted, changing how dealers and funds hedge spot exposure (exchange share above).
Watch positioning changes rather than the expiry itself. Dealer hedging and institutional rolls can shift market balance in the sessions that follow.
Conclusion
About 263,000 BTC and 1.25 million ETH options expired on 26 Dec (UTC), roughly $23.6 billion BTC and $3.8 billion ETH notional. The events sizeover half of Deribits open interestmatters because it resets positioning and hedging. The key impact typically arrives after expiry as flows re-align, not at the moment contracts settle.
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