sales. for most stock sales the fee is just a few pennies. the financial industry, regulatory authority charges a transaction fee on all stock and exchange traded funds ranging to as much as $5.95. the idea of taxes on trades already exists. the u.s. impose a financial transaction tax in the past. .02 tax imposed on all stock sales. congress doubled that tax to deal with budget challenge by the great depression. it was faphased out in 1966. at least 40 countries had imp e imposed financial transaction tax. the united kingdom charges a .5%