Bitcoin’s brutal start to the year is proving especially painful in South Korea.
While prices for the cryptocurrency are falling on major exchanges around the world, nowhere have the declines been faster than in Asia’s fourth-largest economy. The losses have erased a 51 percent premium for Bitcoin on Korean venues, sending prices back in line with those on international exchanges for the first time in seven weeks on Friday.
The so-called kimchi premium had been so persistent -- and so unusual for a large market -- that traders named it after Korea’s staple side dish. While its disappearance is partly explained by selling pressure from arbitragers, it also reflects a dramatic reversal of sentiment in one of the world’s most frenzied markets for cryptocurrencies.
Bitcoin has tumbled more than 60 percent from its high in Korea after the country’s regulators took several steps over the past two months to restrict trading and said they may ban cryptocurrency exchanges outright. Policy makers around the world have been moving to rein in the mania surrounding digital assets amid concerns over excessive speculation, money laundering, tax evasion and fraud.
“The bubble in crytpocurrencies has burst” in Korea, said Yeol-mae Kim, an analyst at Eugene Investment & Securities Co. in Seoul.
The kimchi premium began shrinking in mid-January as fears of a regulatory clampdown escalated. Selling by arbitragers -- who have been buying Bitcoin on international venues to offload at a higher price in Korea -- also played a role, although the country’s capital controls and anti-money-laundering rules made it difficult to execute such transactions in bulk.
Bitcoin traded at about 9.1 million won ($8,449) in early Korean trading on Friday, according to a CryptoCompare index tracking the country’s major exchanges. That compared with the $8,601 composite price on Bloomberg, which is derived from venues including Bitstamp and Coinbase’s GDAX exchange. When the kimchi premium reached its peak in January, Bitcoin’s price was about $7,500 higher in Korea.
The country’s cooling frenzy has been reflected in declining activity on domestic exchanges. Data compiled by CryptoCompare.com show that volumes have dropped by about 85 percent from December highs.
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https://www.bloomberg.com/news/articles/2018-02-02/bitcoin-s-huge-arbitrage-play-just-vanished-as-korea-bubble-pops