
Where to Park Idle Business Cash in 2026: High-Yield Savings, CDs, and Sweep Accounts
As of mid-2026, competitive business savings accounts pay roughly 3.5%–3.75% APY while the national average sits near 0.4% — a $150,000 idle balance in a 0.01% checking account forgoes about $5,000 a year. A timeline-based framework for placing tax reserves, operating buffers, and balances above the $250,000 FDIC limit into high-yield savings, CD ladders, ICS/CDARS sweep programs, and Treasury money market funds.









