Story perspectives

Senator Murphy Calls for Regulation After Insider Trading Claims

3/5/2026

Summary

Story summary

U.S. Senator Chris Murphy says prediction markets may have enabled insider trading after recent military strikes on Iran.
He cites bets on Polymarket and Kalshi placed hours before the attacks.
The remarks prompted bipartisan calls for regulation, and Murphy plans legislation to ban bets on political violence.
Lawmakers say the episode reveals a regulatory gap in U.S. financial oversight and raises ethical concerns.

History

Historical Context

The U.S. Congress established the Securities and Exchange Commission (SEC) in 1934 following the 1929 stock market crash to combat insider trading and restore investor confidence. This regulatory framework emerged from the New Deal reforms aimed at ensuring fair markets. Today, concerns about modern prediction markets reflect ongoing challenges in adapting financial regulations to new technologies and ethical dilemmas, highlighting the SEC's enduring significance.

1 of 2

Story summary

U.S. Senator Chris Murphy says prediction markets may have enabled insider trading after recent military strikes on Iran.
He cites bets on Polymarket and Kalshi placed hours before the attacks.
The remarks prompted bipartisan calls for regulation, and Murphy plans legislation to ban bets on political violence.
Lawmakers say the episode reveals a regulatory gap in U.S. financial oversight and raises ethical concerns.

1 / 2