Data Digest
- Change in BTC options OI by strike price
- Deribit futures flash crash amidst put buying
- BTC OI declines with price, but volume increases
- BTC options implied volatility rockets
Key Takeaways
- A barrage of put buying ensued over the weekend as BTC closed the week down 20%.
- Puts for the Dec. 2021 expiry have been the biggest hit amongst insurance buyers.
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Ashwath Balakrishnan + 1 other 
