Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
bayhaqi:10906Abū Zakariyyā b. Abū Isḥāq And ʾAbū Bakr b. al-Ḥasan > Abū al-ʿAbbās Muḥammad b. Yaʿqūb > al-Rabīʿ b. Sulaymān > al-Shāfiʿī > Mālik > Nāfiʿ > Ibn ʿUmar

[Machine] "The Messenger of Allah ﷺ said: 'Do not sell what is present for what is absent." This hadith is narrated through this chain of transmission, considered among the individuals of Shafi'i from Malik."  

البيهقي:١٠٩٠٦أَخْبَرَنَا أَبُو زَكَرِيَّا بْنُ أَبِي إِسْحَاقَ وَأَبُو بَكْرِ بْنُ الْحَسَنِ قَالَا ثنا أَبُو الْعَبَّاسِ مُحَمَّدُ بْنُ يَعْقُوبَ أنا الرَّبِيعُ بْنُ سُلَيْمَانَ أنا الشَّافِعِيُّ أنا مَالِكٌ عَنْ نَافِعٍ عَنِ ابْنِ عُمَرَ

أَنَّ رَسُولَ اللهِ ﷺ قَالَ لَا يَبِيعُ حَاضِرٌ لِبَادٍ هَذَا الْحَدِيثُ بِهَذَا الْإِسْنَادِ مِمَّا يُعَدُّ فِي أَفْرَادِ الشَّافِعِيِّ عَنْ مَالِكٍ