South Korean retail investors are increasingly funneling profits from a booming stock market into the country’s overheated real estate sector, challenging government efforts to cool housing demand. Data from the land ministry showed that in April, 13.2 percent of home purchases valued over Won1.5 billion ($974,000) were financed using proceeds from securities sales, a figure nearly triple the monthly average of the past five years and the first time it has exceeded 10 percent.

The government has long sought to encourage investment in domestic equities over real estate, which it cites as a driver of widening inequality and falling birth rates, as high housing costs deter family formation. President Lee Jae Myung, who took office last year, pledged to shift wealth away from what he called “unproductive” property investments. However, despite a strong performance from South Korea’s Kospi stock index—driven largely by gains in semiconductor giants Samsung Electronics and SK Hynix, fueled by growth in artificial intelligence data centers—property still constitutes about 75 percent of household wealth, compared with just 9 percent in equities, according to Morgan Stanley economist Kathleen Oh.

The Kospi index has more than doubled since the start of 2023, on track to be the world’s best-performing major index for a second consecutive year. SK Hynix recently overtook Samsung Electronics as the country’s most valuable company, marking a historic shift in the market. Nonetheless, household debt remains high at nearly 175 percent of net disposable income, among the highest levels in the OECD. The prior decade of relatively weak stock market returns, with the Kospi rising just 25 percent between 2015 and 2025 compared to a more than 50 percent increase in average Seoul home prices, partly explains the entrenched preference for property.

Senior presidential advisor Kim Yong-beom cautioned on social media about potential negative effects from the stock market gains, noting that the wealth generated by the semiconductor industry could quickly be absorbed into real estate, concentrating benefits among a select few and undermining long-term growth.

Housing prices reflect the ongoing demand, with Seoul home values climbing 3.1 percent between January and May, and the wider capital region rising 1.9 percent, figures that persist despite government measures aimed at cooling the market. These include tighter lending rules, transaction restrictions in sought-after districts, tougher loan caps on high-value homes, and revived taxes penalizing owners of multiple properties.

Experts point to the difficulty in changing investment mindsets shaped over decades. Namuh Rhee, chair of the Korea Corporate Governance Forum, said shifts in behavior are challenging. However, Morgan Stanley’s Oh highlighted that increased stock market participation—now half the population holds brokerage accounts, up from 21 percent in 2019—and better financial education could eventually foster change in savings patterns.

Signs of market overheating are apparent. The Kospi volatility index recently hit a record high of 94, while margin trading debt surged to a record Won37 trillion, as retail investors borrow to amplify positions. Since late last month, more than Won7 trillion has flowed into leveraged single-stock exchange-traded funds focused on Samsung and SK Hynix. Some investors suffered significant losses after the Kospi declined 8 percent in a single day this month.

Lee Chan-jin, commissioner of the Financial Supervisory Service, expressed regret over an ETF rollout he described as rushed, noting the risk such volatility poses to middle-class and working-class investors.

Despite the government’s efforts, many see the real estate market as the ultimate goal for those seeking financial success. Kim Min-jung, an office worker in Seoul, said the prevailing mindset is that even small stock gains can help buyers join the property-owning elite in districts like Gangnam, equating homeownership with personal achievement.