After Anthropic filed its S-1, Pre-IPO perpetual contract trading volume surged 159%

on October 27, according to monitoring by Kaiko, within one hour of Anthropic filing its S-1 registration statement, the 24-hour trading volume for its pre-IPO perpetual contracts increased by 159%. Binance-linked contract activity surged notably; since 12:00 UTC, the 24-hour trading volume jumped 233% to $35.2 million, with open interest rising concurrently by 6.8%.