Tether (USDT) MEXC Earn upgrades products for limited time, raising USDT flexible APR up to 20% admin February 19, 2026 • comments off The upgrade primarily raises APRs for the first two tiers of USDT Flexible Savings, with both tiers now offering industry-leading rates. Deposits between 0 and 300 USDT now earn 20% APR, up from 16%, … Tether USDT