Savers can easily earn hundreds of dollars in interest with a $15,000 short-term CD account opened now. So, how much interest can a $15,000 short-term CD account actually earn if opened this July? How much interest can a $15,000 short-term CD account earn if opened this July? CD account interest rates will change based on the term, or length, of the account as well as the lender servicing the account. Here's how much interest a $15,000 short-term CD account can earn if opened this July, calculated against the top rates available with four different terms and the assumption that no account fees or penalties are issued against the account before it matures:$15,000 3-month CD at 3.95%: $145.98 upon account maturity$145.98 upon account maturity $15,000 6-month CD at 4.15%: $308.09 upon account maturity$308.09 upon account maturity $15,000 9-month CD at 4.10%: $458.93 upon account maturity$458.93 upon account maturity $15,000 1-year CD at 4.17%: $625.50 upon account maturitySavers can easily earn close to $150 with a short-term CD account of this size over the next 90 days or so and more than $620 should they open a 1-year version.