Ueda specifies two factors for BoJ bond market intervention, stresses steady taper plan

The subdued yen reaction indicated that the markets considered there was little fresh content beyond affirmation of the BoJ's current strategy. For JGBs, Ueda's remarks carried a dual message: he refrained from providing a backstop at a specific yield, but indicated central bank action if the selloff became disorderly. Super-long JGBs, the most responsive segment of the yield curve, would be the first to test that commitment. His reasoning that falling behind on rate adjustments would drive yields steeper supports the hawkish tone ahead of the 30 October meeting. Given Japan's influence on global yields and capital flows, international bond investors will monitor developments intently.

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Ueda's message to bond markets is that timely rate hikes by the BoJ offer the best safeguard against a chaotic selloff, rather than a commitment to intervene at a predetermined level.

The key takeaways from his remarks are:

• Governor Ueda stated that the BoJ's fundamental policy on reducing bond purchases remains unchanged.
• He remarked that it would be improper to specify in advance circumstances for emergency bond market intervention.
• Any intervention decision would take into account overall market conditions, including a swift uptick in long-term rates or indications of market dysfunction.
• He anticipates that long-term rates will rise gradually alongside any policy rate adjustments.
• He cautioned that inadequate rate adjustment could cause long-term yields to climb due to concerns over inflation exceeding target.
• He noted that financial conditions remain accommodative; the yen moved little.

BoJ Governor Kazuo Ueda affirmed that the central bank's fundamental method for scaling back its bond purchases is unchanged, and he refrained from stating beforehand when it might intervene in the JGB market with emergency steps.

During the same appearance in which he highlighted the need to keep underlying inflation anchored near 2%, Ueda said the BoJ would take a broad view of market conditions before choosing to intervene. He specifically mentioned two factors: whether long-term rates are climbing quickly, and whether the bond market's functioning shows signs of instability.

Ueda also explained his expectations for how short and long-term rates would interact as policy gets tighter. According to him, if the BoJ raises its short-term policy rate, long-term rates will probably increase smoothly in sync with those moves. However, if the policy rate is not adjusted correctly, he cautioned, market worries about inflation overshooting could elevate long-term yields.

Essentially, Ueda contended that appropriately calibrated rate hikes serve as a stabilizer for the JGB market, not a destabilizer. He said that by implementing policy properly to attain its 2% inflation target, the BoJ can help steady Japanese government bonds. He also said that financial conditions stay accommodative, underscoring that policy continues to support growth even after the central bank's recent increases.

Ueda's comments tackle a strain that has persisted during the BoJ's move away from years of ultra-loose policy. The bank has been slowly reducing its bond purchases while increasing rates, making investors watchful of potential disorderly shifts in long-term yields. By not establishing a specific trigger for emergency purchases, Ueda maintains flexibility while indicating that intervention would be limited to genuinely chaotic conditions, not a measured repricing.

The comments also buttressed the hawkish stance of his previous statements, portraying further rate hikes as compatible with market stability. The BoJ's policy rate is currently 1.25%, with the next rate decision scheduled for 30 October.

The yen remained largely unchanged during Ueda's speech, indicating that the bond market remarks mostly reinforced existing views.