The Bank of Japan announced amendments to its rules on the prices of eligible collateral and margin ratios for the purchase/sale of Japanese Government Securities (JGS) with repurchase agreements. These changes, effective November 27, 2026, follow a regular review to maintain the soundness of the Bank's assets and enhance efficiency in market participants' use of collateral. The amendments involve adjustments to the valuation percentages for various types of government bonds, government-guaranteed bonds, municipal bonds, corporate bonds, and other collateral, as well as the margin ratios for JGS repurchase agreements.