The regulator had bought US$4.55 billion since the beginning of the year.
The National Bank of Ukraine says it did not carry out any interventions to sell foreign currency on the interbank forex market on November 23-27, as was the case two weeks earlier.
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At the same time, net purchases totaled US$748.8 million.
Ukraine's international reserves were estimated at US$26.14 billion as of November 1, 2020.
In October, the international reserves shrank by 1.5%, or US$385 million, after a US$2.5 billion decline in September.
Interbank rate in late November
By 16:00 Kyiv time on November 27, hryvnia quotations against the dollar on the interbank forex market settled at UAH 28.53/28.54 to the dollar, while those against the euro were at UAH 34.01/34.03.