PANews reported on May 21 that, according to CoinDesk, prediction market provider Polymarket submitted self-certification documents to the U.S. Commodity Futures Trading Commission (CFTC) on Wednesday, applying to list contango trading (i.e., multi-condition combination prediction contracts) of sports event contracts in the United States. Polymarket describes this product as a combination of two or more underlying sports event contracts, which settles for $1 only if all the set sub-events occur, otherwise it goes to zero. Because of the self-certification approach, Polymarket's move is to notify the CFTC of its listing plans, rather than requesting permission. The documents indicate a listing date no earlier than May 21, 2026. Another document shows that Polymarket requested the CFTC to keep the relevant exhibits confidential due to trade secrets.