短語(yǔ)詞組短語(yǔ)hedging risk ratio 避險(xiǎn)蓡數(shù)shorts hedging ratio 空頭套期比optimal hedging ratio 最優(yōu)套期保值策略Sharp hedging ratio Sharp 套期比Dynamic Hedging Ratio 動(dòng)態(tài)套期保值比率Dynamic Optimal Hedging Ratio 動(dòng)態(tài)最優(yōu)套期比longs hedging ratio 多頭套期比Hedging Ratio Risk 保值率風(fēng)險(xiǎn)the best hedging ratio 最優(yōu)套期保值比率 返回 hedge ratio