BOJ long-term government bond holdings fall for first time since 2008

By Leika Kihara

TOKYO (Reuters) -The Bank of Japan’s long-term government bond holdings fell for the first time in 16 years as of end-March as it tapered bond purchases, its earnings showed on Wednesday, in another sign of its steady retreat from a massive decade-long stimulus policy.

As a result of its interest rate hikes, the central bank paid 1.25 trillion yen ($8.3 billion) in interest on excess reserves parked at the BOJ in the fiscal year that ended in March – a move aimed at mopping up liquidity from the market to nudge short-term borrowing costs around its 0.5% policy rate.

As its monetary tightening drove down bond prices, the BOJ’s government bond holdings incurred valuation losses of 28.6 trillion yen, the largest since the BOJ began using current accounting methods in 2004, its 2024 fiscal year earnings showed.

The earnings data highlight the cost the BOJ is paying to normalise monetary policy and whittle down a balance sheet that has ballooned from years of heavy bond buying.

The BOJ exited a massive stimulus programme in March last year and pushed up short-term interest rates to 0.25% in July and 0.5% in January. It also began slowing its huge bond purchases under a taper programme laid out in July.

The central bank’s holdings of long-term Japanese government bonds (JGB) stood at 574.2 trillion yen as of the March end of fiscal 2024, down 11.4 trillion yen from a year earlier, marking the first decrease since 2008, its earnings showed.

Its total government bond holdings, including short-term debt, fell 13.7 trillion yen to 575.9 trillion yen, the earnings showed, declining for the first time in three years.

The BOJ has signaled its readiness to keep tapering its bond buying. At its policy meeting next month, it will conduct an interim review of its bond tapering plan running through March and come up with a programme for April 2026 onward.

Many market players expect the BOJ to make no big changes to its existing taper plan and believe it will likely maintain or slightly slow the pace of tapering from April 2026 and beyond.

While describing the BOJ’s balance sheet as too big, Governor Kazuo Ueda said in March it was hard to predict how much it ought to reduce its size which, at around 745 trillion yen, exceeds the size of Japan’s gross domestic product.

($1 = 144.1100 yen)

(Reporting by Leika Kihara; Editing by Muralikumar Anantharaman and Joe Bavier)

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