The newest way to bet on the fortunes of Chinese e-commerce heavyweight Alibaba Group Holding Ltd (BABA.N) will debut on Monday when its stock options go live for trading, and investors should look for the initial action to be very busy, but also choppy and potentially pricey. Options market traders say Alibaba puts and calls will likely see heavy demand given the interest shown so far in the stock since its record-setting $25 billion initial public offering last week.