The U.S. dollar was flat in holiday-thin trade on Friday as the focus remained on U.S.-China trade progress. But Latin American currencies remained active, with more sharp moves being seen by the real Brazil.

U.S. President Donald Trump signed a law supporting protests in Hong Kong on Wednesday despite Beijing's potential fallout as the two superpowers attempt to resolve their disparities in trade. Chinese officials attempted to take "firm defensive measures" and Chinese Vice Foreign Minister Le Yucheng demanded that Washington stop interfering immediately with the domestic affairs of China.

The policy continues to hinder trade talks momentum, with the next round of Chinese imports American tariffs due to start on Dec. 15.

The U.S. dollar index was unchanged at 98.36 at 10:32 AM ET (15:32 GMT), which tests the power of the greenback against a basket of six major currencies. The dollar traded flat against the Japanese yen safe-haven, 109.50 USD / JPY.

Because of the U.S. market was small. Thursday's Thanksgiving holiday, with most investors going off until Monday.

But the real experienced another downturn in Brazil, with USD / BRL rising by 1.01% to 4.2324, following intervention by the central bank of the country. This week, after an essentially failed "mega" oil sale, the currency reached an all-time low of 4,277 exacerbated the real decline.

In the meantime, the pound improved, with GBP / USD increasing 0.1% to 1.2917 and EUR / USD unmoved at 1.1010.