U.S. Healthcare Insurance Stocks Surge by $4.9 Billion in One Day

Shares of Oscar Health, Inc. (NYSE: OSCR) jumped 9.56% on the 6th (U.S. time) to close at $13.06, lifting its market capitalization to approximately $3.42 billion (about KRW 4.6 trillion). The single-day increase in market value was roughly $362 million (around KRW 490 billion), with trading volume reaching 2,678,819 shares.

Recently, European asset manager Assenagon Asset Management acquired about 640,000 shares worth $9.2 million in the fourth quarter. In its February 10 outlook for 2025, Oscar Health projected annual revenue of $6.2 billion and net income of $125 million, marking improvements in both top-line growth and profitability.

In early April, U.S. investment media noted that, relative to its 2026 operating-income guidance, the current market capitalization remains in the low-$3 billion range, suggesting that despite high volatility, the stock may be undervalued given its growth potential.

Oscar Health is a healthcare-technology company offering online and mobile insurance products in the individual and small-business ACA market. Leveraging data and AI to optimize operations and expand membership, the company aims to achieve stable profitability by around 2026.