CoinMeta data: The US Dollar Index (DXY) only explains 17% of the daily fluctuations in Bitcoin. Although the US Dollar Index has risen by about 2.6% recently and reached a two-month high of 101.69 on September 9th, the data indicates that its correlation with Bitcoin is weak. Over the past 90 trading days, the daily fluctuation correlation between BTC and DXY was -0.41, suggesting that they generally move in opposite directions. Despite this correlation, it is relatively small, with an average correlation of -0.14 over the past 90 days.