Recent regulatory and legal developments reinforce trader consensus that sports event contracts on platforms like Polymarket and Kalshi will avoid gambling tax treatment. CFTC oversight as designated contract markets, combined with ongoing circuit court rulings favoring federal commodities jurisdiction over state gambling statutes, supports derivative or capital gains classification rather than wagering rules. A October 2026 Tax Law Center analysis highlighting similarities to sports betting has not shifted momentum, while proposed CFTC rules reclassifying contracts as swaps and pending Supreme Court petitions add uncertainty without immediate resolution. High trading volumes tied to NFL and other leagues underscore the platforms' exchange-like structure, sustaining the 77.5% implied probability for no change in federal tax treatment.