Recently, in addition to known European options and American options, there appear many new varieties which are evolved from vanillaoptions in international financial market.
国际金融衍生市场除了人们熟知的欧式期权和美式期权之外，还涌现出了大量由标准期权衍生出的新型期权。
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Recently, in addition to known European options and American options, there appear many new variety which are changed, composed, derived by vanillaoptions in international financial market.
Of course, options market participants are already wise to this, and option premiums are high enough to deter many investors from making use of plain-vanilla volatility swaps.