A referral code, SILIVE, has been upgraded or announced for use on the Kalshi platform, offering a $10 bonus. The code's promotion appears to be tied to various sporting events, including the Scottish Open, World Cup matches, and the MLB Home Run Derby, although some outlets mention it in relation to other events or platforms, such as Polymarket. The specifics of the promotion and its availability vary across reports, with some mentioning specific locations or additional updates to odds for other events.