ðə pˈeɪˈɔf fɚðə lˈɔŋ bˈɑːksspɹˈɛd wɪl biː ðə dˈɪfɹəns bᵻtwˌiːn ðə tˈuː stɹˈaɪk pɹˈaɪsᵻz, ænd ðə pɹˈɑːfɪt wɪl biː ðɪ ɐmˈaʊnt baɪ wˌɪtʃ ðə dɪskˈaʊntᵻd pˈeɪɔf ɛksˈiːdz ðə nˈɛt pɹˈiːmiəm.
The pay-off for the long box-spread will be the difference between the two strike prices, and the profit will be the amount by which the discounted payoff exceeds the net premium.