why dollar is so high ?

 The strength of the US dollar is influenced by a variety of factors, including:

Economic stability: The US has a stable and well-diversified economy, which makes the dollar an attractive currency for investors around the world.

Political stability: The US has a stable political system, which is viewed positively by investors and gives the dollar a degree of stability and predictability.

Reserve currency status: The US dollar is the world's primary reserve currency, meaning that many central banks and governments hold large amounts of dollars in their reserves. This gives the dollar a level of global demand that supports its value.

Interest rates: When the US Federal Reserve raises interest rates, it can increase demand for the dollar as investors seek higher returns on their investments. This can also make the dollar more attractive to foreign investors.

Inflation: The US has historically maintained relatively low inflation rates, which helps to preserve the value of the dollar and maintain its purchasing power.

It's important to note that the value of the dollar can fluctuate over time based on a variety of economic and geopolitical factors. However, these factors generally help to support the dollar's strength and make it an attractive currency for investors around the world.