Invest Ksh 250,000 at Ecobank Kenya for 20 years.
At Ecobank Kenya's current weighted-average deposit rate of 8.78%, a Ksh 250,000 deposit grows to about Ksh 1,438,086 after 20 years — about Ksh 1,188,086 in interest, assuming monthly compounding and no withdrawals.
Final balance
Ksh 1,438,086
5.75× your deposit
Deposited
Ksh 250,000
One-off, no withdrawals
Interest earned
Ksh 1,188,086
At 8.78% p.a.
Year by year
Contributions form the floor; interest compounds on top.
Could you earn more elsewhere?
The same Ksh 250,000 in Cytonn Money Market Fund — currently Kenya's top-yielding MMF at 9.39% net of 15% WHT — would grow to about Ksh 1,623,194 over the same 20 years. Run your own numbers on the compound interest calculator.