The SEC has acknowledged Grayscale's application for a spot ADA ETF, increasing the chances of approval.The application marks the beginning of the regulatory review process, which usually lasts 240 days.The approval odds for the ADA ETF have risen from 52% to 66% as of now.Grayscale has also sought regulatory approval to convert its XRP Trust into an ETF, with a 74% chance of approval before the end of 2025.