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Bitcoin Options Expiry: $7.9 Billion at Risk, Gamma Squeeze Looms Over $75K

Reported by Whalesbook
Apr 20, 2026· 3 min read
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Key Takeaways
  • • $7.9 billion in Bitcoin options and $970 million in Ethereum options are set to expire on Deribit, creating a major settlement event with concentrated notional exposure across crypto derivatives markets.
  • • Max pain price for Bitcoin is identified at $75,000—the strike level where the largest cluster of option contracts expire worthless, serving as a focal point for price action and market maker hedging activity.
  • • Put/call ratio of 0.76 for Bitcoin and 0.75 for Ethereum signals a net bullish positioning bias, with call options outnumbering puts, though this masks significant downside hedging demand at the $40,000 strike.
  • • $490 million in notional value concentrated at the $40,000 Bitcoin put strike indicates substantial crash insurance positioning, creating conflicting directional bets between bullish calls and crash hedges.
  • • Gamma squeeze risk emerges from the scale of options settlement: traders are simultaneously hedging against a sharp selloff to $40,000 while positioning for upside toward $75,000, creating potential for volatile price swings during the expiry window.
Summary
The cryptocurrency options market faces a significant settlement event with $7.9 billion in Bitcoin options and $970 million in Ethereum options expiring on Deribit. This scale of notional exposure creates a focal point for price action and introduces material volatility risk to crypto markets, particularly as the settlement date approaches. The concentration of contracts across key strike prices amplifies the potential for outsized price moves as traders manage, hedge, and liquidate positions ahead of expiry.

Bitcoin's structural dynamics are anchored to a max pain level of $75,000—the price point where the largest number of option contracts expire worthless. This level typically attracts trading activity as market makers dynamically hedge their exposure and traders position accordingly. The put/call ratio of 0.76 reveals a neutral-to-bullish overall bias in open interest, with calls outnumbering puts across the market. However, this aggregate positioning masks a critical tension underneath: while traders are broadly bullish on price appreciation, there is substantial demand for downside protection concentrated at specific strike levels.

The positioning architecture reveals conflicting bets. A staggering $490 million in notional value is concentrated in the $40,000 Bitcoin put strike—the second-largest open interest cluster. This level represents significant demand for crash insurance, likely reflecting hedging activity following Bitcoin's decline from recent highs. Simultaneously, traders are positioning for upside toward the $75,000 max pain level. This creates a volatile setup where price could swing between these two extremes as the expiry settles, with gamma exposure intensifying pressure in either direction as spot price approaches critical strikes.

The gamma squeeze dynamic emerges from this structural imbalance. As Bitcoin's price approaches either the $75,000 max pain level or critical support zones, market makers will be forced to rebalance hedges dynamically, potentially amplifying price moves. The sheer dollar volume at stake—nearly $8 billion—means that even modest rebalancing flows can generate meaningful volatility. Traders managing this expiry should monitor price action relative to both the $75,000 target and the $40,000 crash-insurance cluster, as convergence toward either level could trigger significant derivative-driven flows and liquidity events.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Whalesbook Bitcoin Options Expiry: $7.9 Billion at Risk, Gamma Squeeze Looms Over $75K