MrBeast’s main YouTube channel sits at approximately 516 million subscribers as of early September 2026, adding roughly 100,000–170,000 per day in recent weeks through steady releases of high-production challenges and giveaways. With only about 20 days until the September 30 resolution, traders are closely tracking whether that pace can close the gap to the next round-number milestone amid typical fluctuations in upload cadence and algorithmic reach. Historical patterns show MrBeast maintaining strong momentum even at this scale, supported by an enormous existing audience and cross-platform promotion, though any slowdown in new content or external competition could shift implied probabilities in the final weeks.