According to Eric Balchunas, BMNU (2x BitMin) has traded over $200 million in its first few days, marking the most volume for a new ETF since the spot BTC/ETH launches (source: Eric Balchunas on X, Sep 30, 2025). He added this is the highest ever for a 2x stock ETF, noting MSTU did about $45 million in its first few days for comparison (source: Eric Balchunas on X, Sep 30, 2025).