Midland's interest rate hike will increase savings, reduce cash flow, curb inflation, support the dollar from the exchange rate, and the dollar will appreciate. Cutting interest rates will reduce the attractiveness of the local currency to investors, because saving money will earn less interest, so it will affect the exchange rate from this perspective.

Other things being equal, raising interest rates is beneficial to the US dollar. Can help the dollar appreciate relative to other foreign exchange. Because the profit of investing in dollars increases, the demand for investing in dollars will increase and the price will rise.