ChainCatcher message, Lin Chen, Head of Asia Pacific Business at Deribit, stated in a post on X that the BTC November options expiration will take place this Friday (November 29) at 4 PM, with $9.163 billion in positions set to expire. The current put/call ratio is 0.81, with the maximum pain point at $77,000, meaning that an expiration price close to this level will maximize seller profits.