South Korea's export rose 22.7 percent over the year to 54.97 billion U.S. dollars in October, a government report showed Thursday.
It was the country's second-biggest monthly figure since the data began to be compiled in 1956, according to the Ministry of Trade, Industry and Energy.
The daily export averaged 2.39 billion U.S. dollars in October, posting the third-biggest daily figure in history.
Import advanced 27.9 percent from a year earlier to 48.42 billion U.S. dollars last month, sending the trade surplus to 6.55 billion U.S. dollars. The trade balance stayed in the black for 81 months in a row.
For the first 10 months of this year, export touched a new high of 505.3 billion U.S. dollars. It was up 6.4 percent from the same period of last year.
Import was 444.1 billion U.S. dollars in the January-October period, sending the trade surplus to 61.2 billion U.S. dollars.