3 Bank for International Settlements, “Market Intelligence Gathering at Central Banks,” December 2016. 4 Under the terms of Basel III, the minimum amount of capital that banks must hold was increased by about five  times. The largest, most complex firms were obliged to hold even more.
The quality of capital that banks must hold was also increased with new standards established for bank liquidity and funding. See Bank for International Settlements. 5 Committee on the Global Financial System, “Market-Making and Proprietary Trading: Industry Trends, Drivers  and Policy Implications,” CGFS Papers No. 52 (November 2014).