Korea's WGBI Inclusion Is Driving a New Phase of Investor Engagement

Earlier this year, I had the opportunity to host a discussion on Korea's inclusion in the FTSE World Government Bond Index (WGBI).

What stood out to me wasn't simply the scale of the milestone itself. It was the level of engagement from investors. The questions weren't about whether Korea belongs in global bond portfolios. They were about how investors can access the market, operationalise trading and prepare for increased activity once inclusion begins.

That shift feels significant.

For several years, Korea has offered many of the characteristics global fixed income investors look for: a highly rated sovereign issuer; a deep and liquid government bond market approaching US$1 trillion outstanding; and a strong domestic investor base. Yet for many international investors, access remained more complex than in other developed markets.

Today, that picture is changing rapidly.

A series of market reforms have improved accessibility, simplified onboarding and expanded settlement options for international participants. These developments helped pave the way for Korea's inclusion in the WGBI. Once fully phased in, Korean Treasury Bonds are expected to represent roughly 2% of the benchmark, making Korea one of the larger sovereign bond markets within global government bond indices.

At Tradeweb, we're already experiencing the impact.

Now that WGBI inclusion is underway, we're seeing engagement with the Korean market accelerate. Clients are establishing trading workflows, evaluating settlement models, and exploring how KTBs fit within both benchmark-driven and active fixed income strategies.

What's particularly notable is that interest extends well beyond traditional index investors.

We're seeing constantly higher engagement from investors looking at KTBs as a source of diversification, as well as from market participants exploring their use within collateral and financing strategies. Korea's combination of liquidity, credit quality, and market depth make its bond offering increasingly relevant across multiple investment use cases.

Technology and market infrastructure are also playing a crucial role.

One of the themes that emerged repeatedly during our discussions was the significance of operational efficiency. As more investors enter the market, access to electronic trading, transparent pricing, and streamlined execution become even more important.

Tradeweb has been investing for a number of years in developing its platform to support Asia local currency bond markets, and Korea has become one of the region's most active markets on our platform. As international participation grows, electronic trading is helping investors access liquidity more efficiently, connect with both global and domestic dealers, and integrate KTB trading into existing workflows. That operational efficiency will prove critical, as benchmark-driven and active investors alike deepen their engagement with the market.

The timing matters.

Index inclusion often acts as a catalyst, but its effects typically extend far beyond benchmark-related flows. Greater international participation can contribute to deeper liquidity, broader investor diversity, and increased market transparency over time.

From my perspective, Korea is approaching an important inflection point. The combination of market reforms, improving accessibility, and WGBI inclusion is bringing the market onto the radar of a wider range of global investors than ever before.

The conversations we had with market participants reinforced that view. Investors are no longer asking whether Korea should be considered for portfolio inclusion. Instead, they’re focused on how quickly they can become part of its next chapter.

This information is intended only for clients or prospective clients of Tradeweb Europe Limited and its affiliates in South Korea that are duly authorised business units with the appropriate licences or approvals under the FSCMA to trade, deal in, broker, or advise on debt securities, money-market instruments, derivatives, ETFs and other financial investment instruments. It is not intended for, and must not be distributed to, any person in South Korea who is not so authorised, including retail investors. If you are not the intended recipient, please delete this communication and any copies.