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On Tuesday, Nick Forster, the founder of Derive—a decentralized on-chain options protocol with a total trading volume of $7.1 billion—shared insights in emailed comments. He highlighted the so-called call-put skew index related to Bitcoin’s upcoming option expiry on December 27. Following these developments, Bitcoin fell by 1.19% to close at $91,928.
(BTCUSD Daily Price Chart, Source: Trading View)
The call-put skew, which indicates market sentiment, measures the difference in implied volatility between call and put options. While the skew continues to reflect a dominance of calls over puts, it has shown some decline recently. Consequently, investors are closely monitoring the December 27 expiry, as the high-value Bitcoin options settlement could lead to significant price swings in either direction.
Forster estimated a 68% likelihood of Bitcoin declining by 16.03% to $81,493 or rising by 19.9% to $115,579 by December 27. However, there is also a smaller 5% probability of larger price movements, a potential 29.49% drop to $68,429 or a 41.83% surge to $137,645 within the same timeframe.
Additionally, Forster pointed out relative stability in Bitcoin’s volatility over the past week. The seven-day at-the-money implied volatility stood at 63%, while the 30-day level was at 55%. This narrow alignment suggests the market is bracing for substantial movements in the future.
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