بيع الكالي بالكالي
/ Bay Al Kali bil Kali: Trading one future liability against another future countervalue, e.g. the price and the delivery is postponed like in a conventional forward agreement. Trading future countervalues is deemed impermissible (Futures, Forward).
References
- Hadith reference وَذَلِكَ بَيْعُ الدِّينِ بِالدِّينِ وَهَذَا مَعْرُوفٌ بِمُوسَى عَنْ نَافِعٍ]