August 18, 2026
The first tribes to sue Kalshi alleging it violated the Indian Gaming Regulatory Act are backing four New Mexico Indigenous nations' efforts to block the prediction market from offering sports-related contracts on their lands, contending U.S. Supreme Court decisions dating back to 1832 recognize Indian political independence and self-governance.
July 23, 2026
Four indigenous nations have asked a New Mexico federal judge to stop Kalshi from offering sports-related contracts on their lands, arguing that the prediction market giant is plainly violating laws that give the tribes sole authority over sports betting.
June 25, 2026
Kalshi is asking a New Mexico district court to dismiss a challenge by four Indigenous nations trying to block the prediction market platform from offering online sports betting within Indian Country, arguing that allowing the tribes to exercise regulatory authority will enable hundreds of other tribes to follow suit.