用于计算期权价格,窝轮的价格却并非取决于市场供求，而是以「期权定价模式」计算窝轮的期权价值。期权订价模式是利用数学算式，因应不同的订价因素，如正股价格、引伸波幅等决定其价格-used to calculate options prices, Waterloo round of price is not determined by market supply and demand, but "option pricing model," Waterloo round of th