Meta-index is generally a comprehensive index to measure the change of US dollar exchange rate in the international foreign exchange market. Almost every time the US dollar index breaks through 100 in history, it will trigger a worldwide financial crisis. Therefore, the US dollar index broke through 100 this year, which means that under the influence of the past, the next global financial crisis has arrived.

In the past, in the process of the upward movement of the US dollar, the exchange rate of the US dollar against emerging market economies and the exchange rate of the US dollar against developed economies went up simultaneously.

In this round of rapid upward movement of the US dollar index, the performance is different, and the exchange rate of the US dollar against emerging market economies is basically stable. Recently, in the process of accelerating the upward breakthrough of 100, the dollar has also depreciated against some emerging market economies, especially the currencies of energy countries.