Catastrophe bonds, long associated with the US insurance market, are drawing rising interest worldwide as governments and financial institutions search for ways to manage the escalating costs of natural disasters. These high-yield securities, designed to transfer disaster-related risks from issuers to investors, are seeing renewed demand despite their complex structure and elevated risk profile.

The bonds, first developed in the 1990s, are typically issued by governments, insurers, or reinsurers. Investors earn attractive returns so long as no major disaster triggers a payout. If the event occurs, issuers retain the capital to cover damage costs, leaving investors with losses. For countries frequently hit by storms, wildfires, and floods, the products offer access to capital that can ease pressure on public budgets at a time when international aid flows are tightening.

“Cat bonds provide access to capital that is more flexible than on-balance sheet funding and can be directed toward specific risks,” said Brandan Holmes, senior credit officer at Moody’s Ratings. He said the instruments can also be less expensive than traditional reinsurance, offering governments and insurers another tool to manage climate-related losses.

Recent storms have highlighted the role these securities can play. Jamaica is set to receive a $150 million payout from a World Bank-backed program after Hurricane Melissa this year, a sharp contrast to last year’s Hurricane Beryl, when air pressure levels remained above the threshold required to trigger its bond’s protection.

Investors have also been drawn to the sector. Cat bonds offer yields that exceed those available on typical fixed-income assets, and they often move independently of broader financial markets, creating diversification benefits. The bonds also tend to have shorter maturities, which can give investors greater flexibility in shifting their portfolios. Data from Artemis shows the global market now totals roughly $58 billion (€50 billion), with the sector recording strong returns in 2023 and 2024.

However, analysts warn that the product’s intricate trigger conditions demand expertise. Losses can result from mid-sized disasters that fall short of headline-grabbing hurricanes. “You need a strong grasp of the risks being transferred,” said Maren Josefs, credit analyst at S&P Global, noting that tornadoes, wildfires, and floods have caught some investors off guard in recent years.

Cat bonds remain the domain of institutional investors, but access for individuals is slowly expanding. Earlier this year, the first exchange-traded fund focused on catastrophe bonds debuted on the New York Stock Exchange, allowing retail investors indirect exposure. In the EU, individuals can gain limited exposure through UCITS mutual funds, though the bonds themselves are restricted to qualified investors.

That access may tighten. The European Securities and Markets Authority advised the European Commission this year that UCITS funds should limit cat bond exposure to 10%, cautioning that higher levels could blur distinctions between traditional funds and alternative investment vehicles. The Commission will assess the issue in 2026 after further consultations.

While European demand remains modest, some analysts believe interest could rise if climate-driven disasters become more frequent in the region. For now, cat bonds remain a niche but growing tool for managing the financial fallout of an increasingly volatile climate.