Yelo Bank can't get out of the red zone - It receives the most complaints

In September of this year, Bank BTB OJSC became the bank with the most complaints in Azerbaijan.
Yeniavaz.com reports, that the Central Bank of Azerbaijan published information about this.
Yapı Kredi Bank Azerbaijan CJSC ranked second on the list of banks receiving complaints, and Yelo Bank OJSC ranked third.
For reference: in the previous month, August, the top three banks with the most complaints were Expressbank OJSC, Yelo Bank OJSC, and Unibank OJSC.
Ziraat Bank Azerbaijan OJSC received the fewest complaints. Five banks received no complaints.
The list of banks receiving complaints is as follows:

It should be noted that the complaint index for banks is calculated based on the ratio of "Market Share by Complaints" to "Market Share by Clients."
"Complaint Market Share" is the ratio of the number of oral, written, and other citizen complaints received by the Central Bank during the month for each bank to the total number of complaints for the banking sector as a whole. Repeated complaints, as well as complaints related to the provision of loan benefits, loan applications, and other issues not within the Central Bank's purview, are not included in the calculation.
"Client Market Share" is the ratio of the number of bank clients with a current account balance of 100 manat or more, and who have completed at least one transaction in the last three months, for each bank to the total number of complaints for the banking sector as a whole.
Explanation of the Complaint Index: The index is calculated based on the principle of proportionality of the number of complaints received by the Central Bank regarding customer service at a given bank, taking into account the volume and scope of financial services provided by the bank.

Elnur Ali