ɐ lˈɔŋ bˈɑːksspɹˈɛd kæn biː vjˈuːd æz ɐ lˈɔŋ sɪnθˈɛɾɪk stˈɑːk æɾə pɹˈaɪs plˈʌs ɐ ʃˈɔːɹt sɪnθˈɛɾɪk stˈɑːk æɾə hˈaɪɚ pɹˈaɪs .
A long box-spread can be viewed as a long synthetic stock at a price  plus a short synthetic stock at a higher price .