Портфель ОФЗ (ценных бумаг) и их учет (модель в Excel)

A model for selecting and accounting for a portfolio of OFZ (Federal Loan Bonds). It is maximally automated for use. Updating data by button (macro) from the OFZ quotes website. Additionally, there is a table for calculating the required number of securities depending on the desired income per month.
The first tab contains detailed instructions on how to use the model.