South Korea looks like one of the cheapest major stock markets in the world.
MSCI Korea traded at about 4.95 times forward earnings on September 30, 2026. At the end of August, MSCI Japan was at 16.38 times, MSCI Emerging Markets at 10.07 times, and the broad global MSCI ACWI IMI at 16.76 times. On that number, Korea is priced at roughly half the emerging-market multiple and less than a third of Japan’s.
That looks absurdly cheap.
But the same MSCI data show Korea at 2.29 times book value. Japan was at 2.03 times at the end of August, and emerging markets at 2.40 times. At the end of 2023, according to Robeco’s analysis of Bloomberg data, MSCI Korea traded at about 1.1 times book.
So the Korea discount did not simply vanish, and it did not simply persist. The thing I’m measuring changed.
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