19. 當買權價內程度越高時,Delta 會趨近___;而當買權價外程度越高時,Delta 則趨近於___。
(A)1, 0
(B)0,1
(C)0.5,0.5
(D)1,0.5

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統計: A(2), B(0), C(0), D(1), E(0) #2550580