The Rex-Osprey DOGE ETF ($DOJE) could launch in the U.S. this week, marking the first Dogecoin ETF. The SEC is also set to decide on Grayscale’s Dogecoin Trust-to-ETF conversion by mid-October. Polymarket bettors give a 91% chance of a spot DOGE ETF approval in 2025, signaling growing institutional interest in memecoins.