Invest Ksh 500,000 at Development Bank of Kenya for 1 years.
At Development Bank of Kenya's current weighted-average deposit rate of 10.83%, a Ksh 500,000 deposit grows to about Ksh 556,920 after 1 year — about Ksh 56,920 in interest, assuming monthly compounding and no withdrawals.
Final balance
Ksh 556,920
1.11× your deposit
Deposited
Ksh 500,000
One-off, no withdrawals
Interest earned
Ksh 56,920
At 10.83% p.a.
Year by year
Contributions form the floor; interest compounds on top.
Could you earn more elsewhere?
The same Ksh 500,000 in Cytonn Money Market Fund — currently Kenya's top-yielding MMF at 9.39% net of 15% WHT — would grow to about Ksh 549,024 over the same 1 year. Run your own numbers on the compound interest calculator.