Narrator:Abdullāh ibn ‘Umar
حَدَّثَنَا سُوَيْدُ بْنُ سَعِيدٍ، حَدَّثَنَا مَالِكُ بْنُ أَنَسٍ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، أَنَّ رَسُولَ اللَّهِ ـ صلى الله عليه وسلم ـ قَالَ
" لاَ يَبِيعُ بَعْضُكُمْ عَلَى بَيْعِ بَعْضٍ "
It was narrated from Ibn 'Umar that the Messenger of Allah (ﷺ) said:
"Let one of you not undersell another."[1]
Reported by Ibn Majah (No. 2171, 1868), Al-Bukhari (No. 2139, 2165, 5142), Muslim (No. 1412a, 1412e), Abu Dawud (No. 3436), At-Tirmidhi (No. 1292), An-Nasa’i (No. 3243), Malik (No. 1382), Ahmad (No. 4302, 5052, 5394, 5597, 5761, 5763, 5787, 5861) and Ad-Darimi (No. 2454).