when a warrant is listed on an exchange its ticker symbol will often be the symbol of the company s common stock with a w added to the end for example abeona therapeutics inc s abeo warrants were listed on nasdaq under the symbol abeow 1 in other cases a z will be added or a letter denoting the specific issue a b c 
warrants generally trade at a premium which is subject to time decay as the expiration date nears as with options warrants can be priced using the black scholes model 