bˈɑːks spɹˈɛdz nˈeɪm dᵻɹˈaɪvz fɹʌmðə fˈækt ðætðə pɹˈaɪsᵻz fɚðɪ ˌʌndɚlˈaɪɪŋ ˈɑːpʃənz fˈɔːɹm ɐ ɹɛktˈæŋɡjʊlɚ bˈɑːks ɪn tˈuː kˈɑːlʌmz əvə kwoʊtˈeɪʃən.
Box spreads' name derives from the fact that the prices for the underlying options form a rectangular box in two columns of a quotation.