Alaska How to Determine PRE- & Post-Judgment Interest Rates are set by statute and depend on the type of debt or judgment. Generally, prejudgment interest is set at 8% per annum and post-judgment interest at 10% per annum. However, there are certain exceptions for certain types of debt. The three types of Alaska How to Determine PRE- & Post-Judgment Interest Rates are: 1. Prejudgment Interest: This refers to interest that accrues on the debt before a judgment is entered against the debtor by a court. Prejudgment interest is usually set at 8% per annum. 2. Post-Judgment Interest: This refers to interest that accrues on the debt after a judgment is entered against the debtor by a court. Post-judgment interest is usually set at 10% per annum. 3. Special Interest Rates: Depending on the type of debt or judgment, special interest rates may be set. For example, for judgments related to medical bills, the post-judgment interest rate is set at 6% per annum.