Invest Ksh 100,000 at Premier Bank Kenya for 15 years.
At Premier Bank Kenya's current weighted-average deposit rate of 2.75%, a Ksh 100,000 deposit grows to about Ksh 150,988 after 15 years — about Ksh 50,988 in interest, assuming monthly compounding and no withdrawals.
Final balance
Ksh 150,988
1.51× your deposit
Deposited
Ksh 100,000
One-off, no withdrawals
Interest earned
Ksh 50,988
At 2.75% p.a.
Year by year
Contributions form the floor; interest compounds on top.
Could you earn more elsewhere?
The same Ksh 100,000 in Cytonn Money Market Fund — currently Kenya's top-yielding MMF at 9.39% net of 15% WHT — would grow to about Ksh 406,746 over the same 15 years. Run your own numbers on the compound interest calculator.