Item 3. Quantitative and Qualitative Disclosures About Market Risk
Item 3. Quantitative and Qualitative Disclosures About Market Risk
Interest Rate Risk . With our outstanding debt, we are exposed to various forms of market risk, including the potential losses arising from adverse changes in interest rates on our outstanding 2020 Term Loans. See “Note 5 - Debt” in the Notes to the Unaudited Condensed Consolidated Financial Statements for further information. A hypothetical increase or decrease in the interest rate by 1 percentage point would result in an increase or decrease in annual interest expense by approximately $17.4 million.
The fair value of our outstanding convertible notes is subject to interest rate risk, market risk and other factors due to convertible feature. The fair value of the convertible notes will generally increase as interest rates fall and decrease as interest rates rise. In addition, the fair value of the convertible notes will generally increase as our common stock price increases and will generally decrease as our common stock price declines in value. The interest and market value changes affect the fair value of the convertible notes but, with respect to the Inphi 2025 Convertible Notes, do not impact our financial position, cash flows or results of operations due to the fixed nature of the debt obligation. For the Inphi 2021 Convertible Notes, we elected the fair value option and carry the Inphi 2021 Convertible Notes at fair value. We hold capped calls in connection with the convertible notes. The capped calls provide for variable cash settlement based on our stock price. The capped calls qualify as derivatives and, accordingly, we measure the capped calls at fair value, with changes in fair value reported in earnings. See “Note 5 - Debt” in the Notes to the Unaudited Condensed Consolidated Financial Statements for further information.
We currently carry debt that relies on LIBOR as the benchmark rate. LIBOR is expected to be phased out as a benchmark rate starting at the end of 2021. To the extent LIBOR ceases to exist, the 2020 Term Loans and 2020 Revolving Credit Facility agreements contemplate an alternative benchmark rate without the need for any amendment thereto.
We maintain an investment policy that requires minimum credit ratings, diversification of credit risk and limits the long-term interest rate risk by requiring effective maturities of generally less than five years. We invest our excess cash primarily in highly liquid debt instruments of the U.S. government and its agencies, money market mutual funds, corporate debt securities and municipal debt securities that are classified as available-for-sale and time deposits. These investments are recorded on our condensed consolidated balance sheets at fair market value with their related unrealized gain or loss reflected as a component of accumulated other comprehensive income (loss) in the unaudited condensed consolidated statement of stockholders’ equity. Investments in both fixed rate and floating rate interest earning securities carry a degree of interest rate risk. Fixed rate securities may have their fair market value adversely impacted due to a rise in interest rates, while floating rate securities may produce less income than predicted if interest rates fall. There were no such investments on hand at July 31, 2021, aside from cash and cash equivalents.
Foreign Currency Exchange Risk . All of our sales and the majority of our expenses are denominated in U.S. dollars. Since we operate in many countries, a percentage of our international operational expenses are denominated in foreign currencies and exchange volatility could positively or negatively impact those operating costs. Increases in the value of the U.S. dollar relative to other currencies could make our products more expensive, which could negatively impact our ability to compete. Conversely, decreases in the value of the U.S. dollar relative to other currencies could result in our suppliers raising their prices to continue doing business with us. Additionally, we may hold certain assets and liabilities, including potential tax liabilities, in local currency on our consolidated balance sheet. These tax liabilities would be settled in local currency. Therefore, foreign exchange gains and losses from remeasuring the tax liabilities are recorded to interest and other income, net. We do not believe that foreign exchange volatility has a material impact on our current business or results of operations. However, fluctuations in currency exchange rates could have a greater effect on our business or results of operations in the future to the extent our expenses increasingly become denominated in foreign currencies.
We may enter into foreign currency forward and option contracts with financial institutions to protect against foreign exchange risks associated with certain existing assets and liabilities, certain firmly committed transactions, forecasted future cash flows and net investments in foreign subsidiaries. However, we may choose not to hedge certain foreign exchange exposures for a variety of reasons, including, but not limited to, accounting considerations and the prohibitive economic cost of hedging particular exposures.
To provide an assessment of the foreign currency exchange risk associated with our foreign currency exposures within operating expense, we performed a sensitivity analysis to determine the impact that an adverse change in exchange rates would have on our financial statements. If the U.S. dollar weakened by 10%, our operating expense could increase by approximately 2%.
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