Washington39 states and 145 tribal nations urge Supreme Court review.
The case asks whether sports contracts count as swaps under the federal derivatives regulator.
Ex-Senator Chris Dodd, former derivatives regulator Gary Gensler and the National Football League filed briefs, many arguing the products are not swaps.
That regulator, the Commodity Futures Trading Commission, published two proposals Friday, one already in effect.
The court has not yet said whether it will take the case.
How each outlet framed it
- CoinDesk
- centres the amicus filings, including Chris Dodd, Gary Gensler and the NFL, arguing sports prediction contracts are not swaps and should escape CFTC rules
Sources: CoinDesk