[This Friday, Bitcoin Options Face Large-Scale Quarterly Expiry, Max Pain at $75,000] BlockBeats News, September 23: This Friday, Bitcoin quarterly options contracts are set for a large-scale expiry. Approximately one-third of the contracts on the crypto options platform Deribit will expire, involving 184,000 BTC options with a notional value of approximately $15.9 billion. The max pain point is $75,000, with a call/put ratio of 0.69.