News Summary

• Polymarket International and Kalshi have pushed their event-contract platforms deeper into stock-linked and corporate-metric wagers.
• By early September nearly 60% of the more than $220 million wagered had gone into bets on individual-stock price moves.
• Nvidia, Alphabet, Apple and Tesla were the most popular names, with the remainder split across ETFs and stock indexes.
• Under u.s. law, contracts tied to a single company’s stock are generally treated as security-based swaps – derivatives regulated by the SEC and largely restricted to professional investors.