First Internet Bank of Indiana CD Rates for 6 Month Jumbo certificate of deposits are now at 2.28 percent with an APY of 2.30 percent. 6 Month Jumbo CD Rates at First Internet Bank of Indiana were changed from 2.30 percent with a yield of 2.32 percent. Compare First Internet Bank of Indiana CD Rates for 6 Month Jumbo certificates of deposit with other CD rates.