longer the duration of these securities, the more susceptible they are to changes in market interest rates and bond yields. As yields increase, those securities with a lower yield-at-cost show a mark-to-market unrealized loss. Most of our unrealized losses are due to changes in market interest rates, and bond yields. We believe that we have the ability to realize the full value of all of these investments upon maturity. As of October 31, 2025, our investments that were in a continuous loss position of 12 months or more, as well as the unrealized losses on those The contractual maturities of our available-for-sale debt securities as of October 31, 2025 are as follows: