Extra 0.01% for every year of your age - Chiphone Federal Credit Union is offering a special CD called "It's your birthday certificate". They don't explain it this way, but based on their examples, it looks like you add 0.01% to any of their current CD rates for every year of your age. So if you're 50 years old you would add 0.50% onto any of their current CD rates. This wouldn't be much of a deal if their current rates were low, but they do have some respectable CDs rates. For example, their 1-year CD yields 4.08%. So the birthday-rate for a 50-year-old would be 4.58% which is an excellent rate for a 1-year CD.
Chiphone is located in Indiana. Membership eligibility is based on employee groups.
10% APY 1-Year CDs with $1K Max Deposit - Two credit unions and one bank are offering these. The maximum deposit into this CD is $1K. You can think of these as a $60 bonus and a 4% 1-year CD. The $60 is the difference between one year of interest of a 10% CD and a 4% CD for a $1K deposit.
Central Macomb Community Credit Union is one of the two CUs offering this special 10% CD. It's also worth noting that their money market account has some very respectable rates of up to 3.75%. Its main office is in Clinton Township, Michigan, and membership eligibility is open to all who live in Macomb county Michigan.
The other CU with the 10% CD special is First U.S. Community Credit Union which is located in Sacramento, California. Membership eligibility is open to the 7-county Sacramento area.
Finally, Allen Bank and Trust Company has this same 10% CD special. Its main branch is in Harrisonville, Missouri.
Plain Old CD - There's nothing fancy about this. I just thought it was worth mentioning. The University of Iowa Community CU is offering a 4.00% APY 9-month CD and a 4.30% APY 15-month CD. They have several Iowa branches including 3 in Iowa City. Membership is open to residents in 14 Iowa counties including Washington, Marshall, Jasper and Benton.