Kalshi is paying a $15 World Cup trade bonuscurrently for England vs. Argentina matchescovering through promo code TSN15, Yahoo Sports Canada reports. The bonus draws interested traders. The platform also runs prediction markets like the England-Argentina semifinalopenthis weekend. CBS Sports confirms Kalshi and Polymarket operate legally in all U.S. statesformally. Kalshi has OpenAIa leading AI firm as a partner and offers golf trading services for The Open Championship. Users tradedactive under code CBSSPORTS for code CBSSPORTS for Messi vs. Bellingham marketsshowdown. CBS Sports lists various markets for Argentinanation, Bellinghammidfielder, and Englandside with the same discount codeactiveas stated.