what is gharar 
gharar is an arabic word that is associated with uncertainty deception and risk it has been described as the sale of what is not yet present such as crops not yet harvested or fish not yet netted gharar is a significant concept in islamic finance and is used to measure the legitimacy of a risky investment pertaining to short selling gambling the selling of goods or assets of uncertain quality or to any contract that is not drawn out in clear terms understanding ghararthe word gharar has become somewhat of a general term in the modern lexicon sales or financial transactions considered as gharar are judged relative to the level of misunderstanding that might exist between parties and the level of uncertainty that the goods or payment can be delivered gharar is generally prohibited under islam because there are a set of strict rules in islamic finance against transactions that are highly uncertain or that may cause any injustice or deceit against any of the parties the justification and guidance for forbidding contracts or transactions considered as gharar comes from the hadith a revered book in islam it contains the sayings of the prophet muhammad who spoke against the selling of the birds in the sky the fish in the water or the unborn calf in the mother s womb saying sell not what is not with you therefore questions of gharar arise when a claim of ownership is unclear or suspicious clarity of the intended meaning of gharar also comes in the quran where it states and do not eat up your property among yourselves for vanities which is interpreted as the prohibition of predatory business practices because such practices do not benefit the whole of society examples of ghararin finance gharar is observed within derivative transactions such as forwards futures and options as well as in short selling and other forms of speculation in islamic finance most derivative contracts are forbidden and considered invalid because of the uncertainty involved in the future delivery of the underlying asset scholars differentiate between minor and substantial gharar and while most derivative products are prohibited due to excessive uncertainty other practices considered as gharar such as commercial insurance are vital parts of economic life it is also permissible for a seller to short sell fungible items such as wheat and other commodities to be delivered at a later date to a buyer meanwhile the sale without physical possession is not necessarily condemned but the promise of delivery by either party without credibility is a violation also transactions and contracts are considered as gharar when excessive risks or uncertainty are combined with one party taking advantage of the property of the other or one party only benefiting by the other party s loss for that reason islamic finance also strictly prohibits extending loans with interest which it considers usury 