MrBeast’s main YouTube channel sits near 516 million subscribers as of early September 2026, following its historic crossing of 500 million in June. Daily gains have averaged roughly 130,000–170,000 recently, supported by consistent long-form releases and ongoing brand momentum, though percentage growth has slowed at this scale. With about three weeks remaining until the September 30 resolution date, traders are weighing whether the current pace can close the gap to the next round-number milestone. Historical patterns show MrBeast often accelerates around major video drops or promotional pushes, while competition from other creators and platform algorithm shifts remain secondary variables. Market-implied odds reflect this steady but finite runway.