The markets have endured near unprecedented volatility and massive downside moves, especially in the energy and commodity sectors, which resulted in short-selling restrictions. They “uptick” rule was enforced across a huge portion of the marketplace. So DUST and JDST were unable to acquire short exposure to reset betas to their daily 3X targets. They’re uncertain how long these issues will last, but their objective to reset to target betas as soon as the markets allow.