Invest Ksh 100,000 at Credit Bank for 15 years.
At Credit Bank's current weighted-average deposit rate of 12.68%, a Ksh 100,000 deposit grows to about Ksh 663,276 after 15 years — about Ksh 563,276 in interest, assuming monthly compounding and no withdrawals.
Final balance
Ksh 663,276
6.63× your deposit
Deposited
Ksh 100,000
One-off, no withdrawals
Interest earned
Ksh 563,276
At 12.68% 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.