Best CD rates today, March 21, 2026 (best account provides 4.15% APY)

Core Insights - The Federal Reserve has cut its federal funds rate three times in 2025, making it a critical time for investors to lock in competitive CD rates before potential further declines [1] - The highest CD rate currently available is 4.15% APY, offered by LendingClub for an 8-month CD, with online banks and credit unions providing the best rates [2] CD Rates Overview - Best CD rates are generally found on shorter terms of around one year or less, with online banks and credit unions leading in competitive offers [2] - The amount of interest earned from a CD is determined by the annual percentage rate (APY), which accounts for the base interest rate and compounding frequency [2] Interest Earnings Examples - An investment of $1,000 in a one-year CD with 1.52% APY would yield a total balance of $1,015.20 after one year, including $15.20 in interest [3] - Conversely, a one-year CD with a 4% APY would grow the same $1,000 investment to $1,040.74, resulting in $40.74 in interest [3] Deposit Impact on Earnings - A deposit of $10,000 in a one-year CD at 4% APY would result in a total balance of $10,407.42 at maturity, earning $407.42 in interest [4] Types of CDs - Bump-up CDs allow for a one-time request to increase the interest rate if the bank's rates rise during the term [4] - No-penalty CDs permit early withdrawal without penalties, providing more flexibility [4] - Jumbo CDs require higher minimum deposits (typically $100,000 or more) and may offer higher interest rates, though the difference from traditional CDs may be minimal in the current environment [4] - Brokered CDs are purchased through brokerages and may offer higher rates or flexible terms, but they carry more risk and may not be FDIC-insured [4]