If a seller has held an asset for longer than one year, he needs to pay taxes at the long - term capital gains rate, which is 20 % for 2016. (investopedia.com)
It follows that market - makers will set their bid and ask prices based on their expectations of the cost and risk of holding assets in inventory. (bis.org)
You still hold an asset of the same value whether or not you owe money on it. (thepennyhoarder.com)