New customers can use the Kalshi promo code NJCOM to unlock $10 in site credit for the tournament. Kalshi promo code at a glanceKalshi promo code NJCOM Kalshi new-user offer Get a $10 bonus when you trade $10 in predictions Minimum deposit $1 Kalshi terms and conditions Offer is available to first-time Kalshi users age 18 or older in the U.S. Last verified January 2026How the Kalshi promo code works1. The Belarus native has been to three straight Australian Open finals, winning the tournament in 2023 and 2024. Users looking to trade on the Australian Open can buy contracts on both the individual matches and outright winners at Kalshi. Men’s Australian Open winnerJanik Sinner: 53%Carlos Alcaraz: 43%Novak Djokovic: 4%Alexander Zverev: 4%Women’s Australian Open winnerAryna Sabalenka: 63%Elena Rybakina: 38%Kalshi predictions vs sportsbook odds: Where is the better value?