KOSPI Surges Past 8,000 While Crypto Exchanges Falter

KOSPI Surges Past 8,000 While Korea's Crypto Exchanges Falter — A Tale of Two Markets in Q1 2026

Originally published with Korean sources. This edition has been enriched with cross-referenced data from Bloomberg-affiliated Blockonomi, Cryptotime, Yonhap News, and other English-language outlets.

As South Korea's benchmark KOSPI index breached the 8,000-point landmark for the first time in history on May 15, 2026 — a milestone covered extensively by Yonhap News English (link) and the Korea JoongAng Daily (link) — a sharp divergence emerged between South Korea's cryptocurrency exchanges and traditional brokerages. While retail investors flooded the stock market, the nation's two largest crypto exchanges posted sharply declining earnings.

Two Markets Divergence Infographic: KOSPI all-time high at 8,046.78, Dunamu operator of Upbit revenue down 55 percent to 234.6 billion won operating profit down 78 percent to 88 billion won, Bithumb operating profit crashed 95.8 percent to 2.9 billion won, Toss Securities US stock trading volume surged 96 percent year-on-year.
Dunamu Upbit Q1 2026 Earnings Infographic: Revenue 234.6 billion won down 55 percent year-on-year, operating profit 88 billion won down 78 percent from 396 billion won, net profit 69.5 billion won down 78 percent, fee revenue 228.6 billion won down 55.2 percent quarter-over-quarter, average daily trading volume down 44 percent year-on-year.

Dunamu (Upbit Operator): Revenue Plunges 55%

Dunamu, the operator of South Korea's largest cryptocurrency exchange Upbit, reported a grim set of first-quarter results on May 15. According to Blockonomi, which covers the digital asset sector extensively, the company's operating profit collapsed 78% year-on-year to 88 billion won ($63.7 million), down from 396 billion won in the same period last year. Cryptobriefing confirmed the same figures, noting that net profit also declined 78% to approximately 69.5 billion won.

Revenue for the quarter fell 55% to 234.6 billion won, while fee revenue — Upbit's primary income source — dropped 55.2% quarter-on-quarter to 228.6 billion won. The Bloomingbit report noted that average daily trading volume on Upbit declined 44% year-on-year, citing data from iM Securities. Crypto asset holdings also declined 19% in value, which the company recorded as non-operating losses. Despite the downturn, Dunamu maintained an operating margin of 37%, attributed to aggressive infrastructure investment and cost efficiency measures.

Bithumb Q1 2026 Earnings Infographic: Revenue 82.5 billion won down 57.6 percent year-over-year, operating profit 2.9 billion won crashing 95.8 percent from 69 billion won swinging toward operating loss, cause is low crypto trading volumes as retail capital rotated into KOSPI and overseas equities.

Bithumb: Operating Profit Crashes 95.8%

The situation at Bithumb, Korea's second-largest crypto exchange, was even more severe. According to Cryptotime, Bithumb posted revenue of 82.5 billion won for Q1 2026, down 57.6% year-over-year. Operating profit fell a staggering 95.8% to just 2.9 billion won — swinging from profitability toward a potential operating loss. The company attributed the deterioration to persistently low cryptocurrency trading volumes across the Korean market, as retail capital rotated into the surging KOSPI and overseas equities.

Toss Securities Outlier Infographic: Monthly overseas stock trading volume crossed 30 trillion won, US securities trading volume surged 96 percent year-on-year, overseas trading commissions surged over 300 percent driving record quarterly revenue, top holdings include Nvidia and Tesla.

Toss Securities: The Outlier — Overseas Trading Boom Drives Record Results

In stark contrast, mobile brokerage Toss Securities rode a wave of surging retail demand for overseas stock trading. The Korea Herald reported that Toss Securities' monthly overseas stock trading volume crossed 30 trillion won in late 2024, and the trend has accelerated since. The Korea JoongAng Daily noted that US securities trading volume on the platform soared 96% year-on-year, driven by Korean retail investors' insatiable appetite for Nvidia, Tesla, and other US mega-cap stocks.

While Toss Securities' exact Q1 2026 figures were not yet separately reported in English outlets at the time of writing, the Korea Economic Daily (Korean-language) and industry tracking data confirm the brokerage posted record quarterly revenue driven by a 300%+ surge in overseas trading commissions — consistent with the trajectory reported by English-language sources covering the Korean brokerage sector.

The Big Picture: Capital Rotation from Crypto to Equities

The KOSPI's historic rally above 8,000 — UPI reported the index hit 8,046.78 before profit-taking pulled it back to 7,493.18 — reflects a broader rotation of Korean retail capital away from cryptocurrencies and into equities. This shift, combined with the surge in US overseas stock trading, has created a winner-take-most dynamic where brokerages thrive while crypto exchanges struggle.

Data sources: Blockonomi, Cryptobriefing, Bloomingbit, Cryptotime, Yonhap News English, Korea JoongAng Daily, Korea Herald, UPI, iM Securities. Original Korean-language data from Dunamu and Bithumb regulatory filings.

Outlook: The capital rotation from crypto to equities appears structural rather than temporary. With KOSPI volatility creating dip-buying opportunities and US tech stocks continuing to attract Korean retail investors, Toss Securities and similar platforms are well-positioned for continued growth. Dunamu and Bithumb will need to diversify beyond trading fees or wait for the next crypto cycle to recover — neither seems imminent in Q3 2026.

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