17:04 - 13.10.2026

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October 13, Fineko/abc.az. In September, Yelo Bank and Expressbank recorded the highest complaint indexes among Azerbaijani banks.

This September, the Yelo Bank complaint index rose from 2.51 in August up to 3.49 (a rise of 39%). In Expressbank, this indicator grew from 1.18 up to 2.44, that is, it more than doubled.

Thus, in September, both banks entered the red category, which characterizes a high complaint index. In August, only Yelo Bank was in this category.

The yellow category, corresponding to the average complaints index, includes Unibank, Azer-Turk Bank and Bank of Baku.

The Unibank complaints index increased from 1.64 up to 2.20, Azer-Turk Bank — from 0.84 up to 1.81, and Bank of Baku — from 1.16 up to 1.54.

In September, out of 17 banks, two entered the category with high complaint index, four with an average, and 11 with a low one.

The complaints index is calculated as the ratio of the share of complaints received against a particular bank to that bank's market share in terms of the number of customers.