VirtualBank, is offering 0.250% APY on 1-month term CDs. To open CD of any term at VirtualBank you need to deposit a minimum amount of $10,000.
A few banks offering high APY rates on 1-month CDs are listed here. Lone Star Bank and E-LOAN are offering 0.150% APY on 1-month CDs for a minimum opening balance of $1,000 and $10,000 respectively. AloStar Bank of Commerce offers 0.100% APY on similar 1-month term certificates of deposit for a minimum deposit of $1,000.