Is Kalshi vs. Polymarket the next OpenAI vs. Anthropic? What to know about the newest fintech rivalry

As online prediction markets skyrocket in popularity, two major players have emerged as industry leaders: Kalshi and Polymarket. 

Kalshi has mostly done things by the books, cozying up to the federal government in search of regulation and unmitigated approval. Meanwhile, Polymarket has seemed to make its own rules, letting users bet on controversial topics like civil war and nuclear detonation to rake in massive profits.

Both are vying for the cultural and financial status...