Invest Ksh 1,000,000 at Guaranty Trust Bank for 1 years.
At Guaranty Trust Bank's current weighted-average deposit rate of 8.01%, a Ksh 1,000,000 deposit grows to about Ksh 1,083,107 after 1 year — about Ksh 83,107 in interest, assuming monthly compounding and no withdrawals.
Final balance
Ksh 1,083,107
1.08× your deposit
Deposited
Ksh 1,000,000
One-off, no withdrawals
Interest earned
Ksh 83,107
At 8.01% p.a.
Year by year
Contributions form the floor; interest compounds on top.
Could you earn more elsewhere?
The same Ksh 1,000,000 in Cytonn Money Market Fund — currently Kenya's top-yielding MMF at 9.39% net of 15% WHT — would grow to about Ksh 1,098,049 over the same 1 year. Run your own numbers on the compound interest calculator.