CBK Returns to Interbank Rate in New Loan Pricing Approach
The Central Bank of Kenya (CBK) has introduced a major change in how banks set interest rates on loans. Instead of using the Central Bank Rate (CBR) as the main guide, CBK has now directed lenders to go back to using the interbank rate as the key benchmark.
This interbank rate reflects the cost at which banks lend money to one another and is considered more responsive to real-time market conditions.
In a notice sent to all commercial banks, CBK announced that interest rates on loans will now follow a new structure: Interbank Rate + Premium (K).
The ‘K’ factor represents a margin set by individual banks depending on a borrower’s risk level. This shift signals a return to a more flexible, market-driven system that better captures day-to-day liquidity in the banking sector.
CBK explained that although the interbank rate usually mirrors the CBR due to the way monetary policy is implemented, it is more suited for transparent and adaptable pricing.
However, if for any reason the interbank rate cannot be used, banks are still allowed to use the CBR as a fallback option.
Strict Timeline for Banks to Comply
To align with the new pricing model, CBK has given all banks a strict deadline of three months to develop detailed, risk-based credit pricing models.
These models must be approved by each bank’s board of directors, after which the documents must be submitted to CBK within 15 days of the board’s approval. The regulator will then review the models to ensure they meet the necessary regulatory and consumer protection standards.
This revised loan pricing formula will apply to all loans issued in Kenyan shillings, excluding foreign currency loans which are affected by international market factors like exchange rate fluctuations.
Transparency and Accountability Measures
To increase accountability and help borrowers make informed choices, CBK has instructed banks to publish their lending rates, all associated charges, and the weighted average premium (K) on the Total Cost of Credit website during the transition period.
This is aimed at improving clarity and preventing hidden fees that often surprise borrowers after signing loan agreements.
The change is part of CBK’s broader plan to make the lending market more efficient and responsive to economic trends, while also promoting fairness and access for all Kenyans.
End of the Road for Risk-Based Credit Pricing Model
Back in April, CBK had already hinted at this major shift by announcing plans to review the Risk-Based Credit Pricing Model (RBCPM), which had been used for the past five years.
Introduced in 2019 through a joint effort between CBK and the banking industry, the RBCPM was meant to solve issues like high interest rates and inconsistent loan pricing across financial institutions.
Although the model played a critical role in shaping the lending space over the years, CBK felt it was time to rethink it based on the changing dynamics of Kenya’s banking sector.
What the New Rules Mean for Borrowers
Under the new structure, interest rates on loans may become more unpredictable. For example, when the market has limited liquidity (meaning there’s less money circulating among banks), the interbank rate could spike, causing loan rates to rise sharply. This would make borrowing more expensive, especially for ordinary Kenyans.
However, people with strong credit histories and low risk profiles may benefit from more affordable loan deals.
On the flip side, borrowers considered high-risk could be charged significantly higher rates, possibly driving them away from traditional banks and toward mobile loan apps, which might not always offer the same protections.
Overall, the new loan pricing model is designed to reflect real-time market conditions while giving borrowers a clearer understanding of what they’re paying for—though it may also come with more variability in loan costs.
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