Hong Kong dollar
Macau adopts the so-called currency board system under which the legal tender, pataca (MOP), is 100 percent backed by foreign exchange reserves, the Hong Kong dollar (HKD). Moreover, the currency board, Monetary Authority of Macao (AMCM), has a statutory obligation to issue and redeem pataca on demand against Hong Kong dollar at a fixed exchange rate and without limit. The pataca is pegged to the Hong Kong dollar at a rate of 1.03 MOP per HKD, which is maintained by the AMCM.