[Anthropic's Pre-Market Trading Volume Surges 159% After Filing IPO Registration Document] According to BlockBeats, on October 27th, data from Kaiko showed that less than an hour after AI company Anthropic publicly filed its U.S. IPO registration document (S-1) on October 26th, trading volume of its pre-IPO perpetual contracts surged 159% in the past 24 hours. Specifically, Binance-related contracts saw a 233% increase in trading volume over the past 24 hours, reaching $35.2 million, while open interest increased by 6.8%. [Original Link]