THE TOHOKU BANK, LTD. said its held-to-maturity bond portfolio carried a ¥2.14bn unrealized loss as of June 30, 2026, the close of the first quarter of the fiscal year running to March 2027. The bank holds these bonds with the intention of keeping them to redemption rather than trading them, so the loss sits on paper rather than in reported earnings.
The scale of that paper loss stands out against the bank's recent results. It equals 84.7% of Tohoku Bank's consolidated ordinary profit of ¥2.52bn for the year ended March 2026, and 126.2% of its ¥1.69bn net profit attributable to shareholders for the same period. The unrealized loss on this single bond book, in other words, is larger than the profit the bank actually delivered to shareholders last year.
| Metric | Value |
|---|---|
| Unrealized loss (held-to-maturity securities) | ¥2.14bn |
| Book value of affected securities | ¥27.56bn |
| Market value of affected securities | ¥25.42bn |
| Ratio to ordinary profit, year to March 2026 | 84.7% |
| Ratio to net profit, year to March 2026 | 126.2% |
The securities behind the figure had a book value of ¥27.56bn against a market value of ¥25.42bn at quarter-end. Tohoku Bank reported no offsetting unrealized gains among these holdings, so the net unrealized position matched the ¥2.14bn loss exactly.
Management was explicit that the disclosure changes nothing about guidance: the earnings forecast for the year to March 2027, published on May 12, 2026, remains unchanged. Because the bonds are designated held-to-maturity, Tohoku Bank does not have to book the loss unless it sells before redemption, a distinction the bank underlined in the notice itself. What the filing does not include is any comparison to other regional lenders or an explanation of why this particular threshold prompted disclosure, so readers should treat this as one bank's own numbers rather than a sector-wide signal.