Will the ‘Big Player’ GPIF Return to Japan? Expectations for a Triple Rally in Yen, Bonds, and Stocks

[By Myungjeong Seon, Block Media] Japan's long-term government bonds are showing a strong rally. This expectation is rapidly being reflected in the market as the Japanese government has proposed a policy direction to expand investments in Japanese financial assets by public pension funds and household savings.

The market is paying attention to the possibility that large pension funds, including the Government Pension Investment Fund (GPIF), will reduce their overseas asset allocation and increase their holdings in Japanese bonds and stocks. However, concerns about fiscal expansion and the independence of the Bank of Japan (BOJ) remain, leading to assessments that it is premature to conclude that this rally marks a structural decline in interest rates.

Japanese Long-term Bond Yields Fall Following Katayama's Remarks

According to Bloomberg and Reuters, on the 10th (local time), Finance Minister Katayama stated that the government aims to expand investments in Japanese financial assets by pension funds and household savings.

The market interpreted this statement as indicating a potential change in asset allocation for GPIF and public pensions, beyond just a simple investment activation policy. Expectations have grown that some funds invested in overseas bonds and stocks may shift to Japanese bonds and stocks.

Immediately following the remarks, the Japanese government bond market reacted strongly, particularly in the long-term segment. On that day, the yield on 10-year bonds fell by 11.5 basis points to around 2.76%, while the yield on 20-year bonds dropped by 12 basis points to 3.745%. Yields on 30-year and 40-year bonds also fell by 9.5 basis points each.

In particular, the ultra-long bonds have been volatile due to supply concerns and fiscal worries. This drop in yields is interpreted as reflecting expectations that the buying base from long-term investors such as insurance companies and pension funds may be strengthened again.

Changes were also observed in the foreign exchange market. According to Bloomberg and Reuters, the yen rose by 0.7% against the dollar on the same day, reaching a strong level of 161.29 yen per dollar. The expectation that overseas assets will return to Japan could lead to simultaneous yen buying and Japanese government bond purchases, which is believed to have boosted the yen's value.

GPIF's Assets Reach $1.8 Trillion... Even Small Changes Shake the Market

Investors are paying attention to GPIF's movements due to its overwhelming asset size. GPIF's assets amount to approximately $1.8 trillion, while the combined assets of Japan's four major public pension funds are estimated at around 332 trillion yen.

Currently, GPIF manages its assets with approximately 25% allocated to Japanese stocks, Japanese bonds, overseas stocks, and overseas bonds each. About half of its total assets are invested in overseas assets.

Therefore, even a slight reduction in the proportion of overseas assets and an increase in the proportion of Japanese bonds could lead to significant new demand entering the long-term bond market. There is also a possibility that the demand for yen will increase during the process of selling overseas assets and purchasing Japanese bonds.

However, actual changes in asset allocation are expected to take time. GPIF sets its basic portfolio every five years and seeks long-term and stable management within allowable deviations. This is why the recent remarks should be interpreted as a medium-term policy direction change rather than an immediate large-scale capital movement.

Possibility of Concurrent Strength in Japanese Bonds, Yen, and Stocks

If GPIF and public pensions expand their investments in Japanese assets, it could have a positive impact on the overall Japanese financial market.

First, a stable long-term buying entity will reappear in the Japanese bond market. In the long-term bond market, the continuous demand from long-term investors such as pension funds and insurance companies is more important than short-term profit-seeking overseas investors. If the buying proportion of public funds increases, it could serve as a supply-demand mechanism to mitigate the rapid rise in Japanese long-term interest rates.

The yen could also act as a supporting factor. After selling overseas bonds and stocks, there will be a demand for yen conversion to purchase Japanese bonds and stocks.

The Japanese stock market is also mentioned as a beneficiary. If GPIF's asset reallocation leads to an increase in both Japanese bonds and stocks, there is an analysis that the yen, bonds, and stocks could all show strength together.

However, if the expansion of Japanese assets is more focused on stocks than bonds, the stabilizing effect on long-term interest rates may be more limited than expected. Ultimately, which asset class GPIF actually increases the proportion of will be a key variable determining the market direction.

Concerns About Fiscal Expansion and BOJ Independence Are Burdensome

There are clear reasons why this rally cannot be viewed as a structural shift.

The large-scale investment plans promoted by the Japanese government may support industries such as artificial intelligence and semiconductors, but they could also raise concerns about increased government bond supply and fiscal soundness. If the burden of issuing ultra-long government bonds is highlighted again, yields on 20-year and 30-year bonds may rise again.

Concerns about the independence of the BOJ also remain. If the market perceives that the government prefers an accommodative monetary policy, confidence in inflation control may weaken. This could lead to upward pressure on long-term bond yields.

The interest rate differential between the U.S. and Japan is also a variable that limits the yen's strength. Even if expectations for the return of Japanese assets support the yen, if the global interest rate environment continues to favor the dollar, the yen's strength may be limited to a short-term reaction.

In the future, the market will need to confirm whether specific discussions on asset allocation by GPIF and public pensions emerge. Whether the bidding rates for 20-year and 30-year government bonds improve and whether the actual demand from insurance companies and pension funds is confirmed will also be important criteria for judgment.

The key to this Japanese long-term bond rally is not simply a decline in interest rates. Bloomberg noted, "The significance lies in the fact that the market has begun to price in the possibility that the world's largest long-term funds are returning to the Japanese bond market."

However, if actual capital movements are not confirmed, this strength may only result in a short-term rebound due to policy expectations and short position liquidations. Reuters predicts, "The direction of Japanese long-term interest rates is likely to be determined more by how much Japanese long-term funds, including GPIF, move into Japanese bonds than by BOJ policy.",

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