The United States Securities and Exchange Commission (SEC) has acknowledged Grayscale’s XRP ETF 19b-4 filing to the Federal Register.The acknowledgment of Grayscale’s XRP ETF application initiates a 21-day period for public comments.The XRP ETF approval chances have risen to 81% following positive signals from regulators.The final decision deadline for Grayscale’s XRP ETF review is set for October 18, 2025.