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Daybook

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Daybook is a daily newsletter from CoinDesk that delivers concise Bitcoin market analysis. In the Oct 21 2026 issue, it reports that options now constitute nearly 60 % of bitcoin derivatives open interest—a rise from 50 % earlier in the year—signaling a shift toward risk‑management over pure speculation. The bulletin also presents Bitcoin open‑interest figures, ETF option activity, and highlights developments such as BlackRock’s IBIT options surging to roughly $36 billion in open interest. The piece underscores how options are increasingly used to hedge holdings, generate income, and bet on volatility. CoinDesk PUBLISHES Daybook· Entity summary generated by Graphiti

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