What is Keo Nha Cai? Keo Nha Cai, or bookmaker odds, plays a crucial role in sports betting, especially football. More than just numbers, these odds reflect public sentiment, bookmaker risk control, and real-time market movements. Types of Keo Nha Cai Odds Asian Handicap (Châu Á): Odds can include quarter goals like 0.25, 0.75, etc..