Kaiko has identified unusual trading patterns occurring shortly before Robinhood's listing announcements. According to NS3.AI, the firm observed that one wallet established a significant long position on Hyperliquid just before Robinhood announced the listing of Litentry on January 15, subsequently closing the trade for a profit following the announcement. Similar trading behaviors were noted around the listings of Zcash, Synthetix, and Near Protocol. However, Kaiko stated that it remains uncertain whether these activities are indicative of insider trading or merely preemptive trading strategies.