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[nd]

только это уже не EONIA, а EURIBOR последнее overnight rate

Вы не правы.

Euribor® (Euro Interbank Offered Rate) is the rate at which euro interbank term deposits within the euro zone are offered by one prime bank to another prime bank.

Eonia® (Euro OverNight Index Average) is an effective overnight rate computed as a weighted average of all overnight unsecured lending transactions in the interbank market, initiated within the euro area by the contributing panel banks.

http://www.euribor.org/