Weekly altcoin deposit transactions sent to exchanges reached 78,000 on Sept. 28, up about 160% from roughly 29,800 on Sept. 14 and the highest level since October 2025, Cointelegraph reported. Addresses depositing altcoins rose to about 51,600 from around 17,600 over the same period, nearly tripling and reaching the highest level in the past year. Exchange deposits are generally interpreted as a sign that holders may be preparing to sell, which could indicate potential selling pressure.