Profit Earned From Short Selling
In order to conduct a trade, physical possession of an asset is not an absolute requirement in religion, provided there are controls in place (industry wide or country wide) to counter any deceit/fraud/misrepresentation etc. If there is no other immoral aspect in a trade/transaction, then all forms of financial trade are permissible by default. Please watch the following videos . https://youtu.be/wui9WaFDz9U