Rising Indian bond yields add uncertainty to banks' new accounting transition

what happened

According to Moody's, swings in government bond yields are becoming a new source of uncertainty for Indian banks preparing to switch to a new accounting system from April 1, 2027. Several lenders have already revised their estimated transition costs, while others cannot yet measure the extra impact of marking their held-to-maturity bond portfolios to market prices.

Canara Bank widened its one-time transition requirement to 12,000–15,000 crore from about 12,000–13,000 crore in July. Central Bank of India raised its expected credit loss provisioning estimate to 5,000–5,500 crore, while Bandhan Bank now puts the one-time impact at 2,200 crore versus 1,250 crore earlier. Canara Bank's CEO Brajesh Kumar Singh said the final figure could change depending on bond yields and the bank's holdings.

The 10-year G-sec yield rose from about 6.75% at the end of June to 7.18% at the end of September and close to 7.50% in the last week of October. On Monday it fell to about 7.32% as lower oil prices triggered a rally in government bonds.

why it matters

For markets, the message is that higher government bond yields feed directly into the capital of Indian banks. Revaluing these bonds at fair value on March 31, 2027 will flow through reserves, so banks' sensitivity to rate expectations and crude oil prices becomes more visible.

market impact

Indian banks: higher G-sec yields raise valuation risk on HTM portfolios and capital

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