Foreign Exchange Spot Market Weighted Average Rates and Trading Volumes. US Dollar Trades JMMB Bank Limited, 133.44, 137.37, 296,403.84, 91,448.98. 23 Jul 2019 In late 2012, the Group opened JMMB Investments (Trinidad and Tobago) Ltd. OTHER DATA Exchange rate J$ per US$1.00 Inflation rate (year over The foreign exchange market has experienced relatively high volatility 18 Nov 2016 JMMB Group earned $1.4 billion in net profit for its September second as well as negative interest rates in Europe arising from Brexit," JMMB said. JMMB Group, whose businesses span Jamaica, Trinidad & Tobago and interest income, fee and commission income, and foreign exchange trading.