The current average money market rate is 0.53%, while the highest rate is up to 4.89%.Money market accounts (MMAs) offer higher interest rates than other deposit accounts and provide convenient access to cash.MMAs at banks are insured by the FDIC, and MMAs at credit unions are insured by the NCUA, offering protection up to $250,000 per account type.When opening a money market account, consider comparing rates, requirements, fees, and withdrawal limits to find a suitable option.