Odaily Planet Daily News: MicroStrategy founder Michael Saylor posted on X, stating: "MSTR is a credit default swap for over $100 trillion in assets of the 20th century." Note: A credit default swap (CDS) is one of the main credit risk mitigation tools traded over-the-counter, a type of financial derivative, and one of the credit derivatives. It can be viewed as a form of default insurance for a financial asset.