The Dollar has tested key support and broken down lower. The next levels of support are obvious. It appears to be renewing its long term downtrend after the short squeeze in the eurodollar that drove it higher.
The dollar is short term oversold and could find some support around this level.
At some point the DX index needs to be reconstituted as the SDR will eventually be. The weighting to Europe and Japan are much too heavy for the current volumes of world trade and reserves.