Sunan Abi Dawud 3436
سنن أبي داود#3436SahihNarrated 'Abdullah bin 'Umar:The Messenger of Allah (ﷺ) as saying: None of you must buy in opposition to one another ; and do not go out to meet the merchandise, (but one must wait) till it is brought down to the market
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Zubair Ali ZaiSahih Bukhari (2139، 2165) Sahih Muslim (1412 After 1514)
In-book reference: 24:21